{"id":51754,"date":"2025-08-11T06:34:37","date_gmt":"2025-08-10T22:34:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/51754.html"},"modified":"2025-08-11T06:34:37","modified_gmt":"2025-08-10T22:34:37","slug":"%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e4%bb%bf%e7%9c%9f%e8%bd%af%e4%bb%b6%ef%bc%9afluent_%ef%bc%8812%ef%bc%89-%e4%bc%a0%e7%83%ad%e4%b8%8e%e4%bc%a0%e8%b4%a8%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/51754.html","title":{"rendered":"\u6d41\u4f53\u52a8\u529b\u5b66\u4eff\u771f\u8f6f\u4ef6\uff1aFluent_\uff0812\uff09.\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790"},"content":{"rendered":"<h2>\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790<\/h2>\n<p>\u5728\u6d41\u4f53\u52a8\u529b\u5b66\u4eff\u771f\u8f6f\u4ef6\u4e2d&#xff0c;\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790\u662f\u91cd\u8981\u7684\u6a21\u5757\u4e4b\u4e00&#xff0c;\u80fd\u591f\u6a21\u62df\u548c\u5206\u6790\u6d41\u4f53\u4e2d\u7684\u70ed\u91cf\u4f20\u9012\u548c\u7269\u8d28\u4f20\u9012\u8fc7\u7a0b\u3002\u8fd9\u4e00\u90e8\u5206\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Fluent\u4e2d\u8fdb\u884c\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790&#xff0c;\u5305\u62ec\u57fa\u672c\u6982\u5ff5\u3001\u8bbe\u7f6e\u65b9\u6cd5\u3001\u6848\u4f8b\u5206\u6790\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h3>1. \u4f20\u70ed\u5206\u6790<\/h3>\n<h4>1.1 \u4f20\u70ed\u7684\u7c7b\u578b<\/h4>\n<p>\u4f20\u70ed\u5206\u6790\u4e3b\u8981\u6d89\u53ca\u4e09\u79cd\u57fa\u672c\u7684\u4f20\u70ed\u65b9\u5f0f&#xff1a;\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u3002<\/p>\n<ul>\n<li>\n<p>\u4f20\u5bfc&#xff1a;\u70ed\u91cf\u901a\u8fc7\u7269\u8d28\u7684\u5fae\u89c2\u7c92\u5b50\u8fd0\u52a8\u4ece\u9ad8\u6e29\u533a\u57df\u4f20\u5411\u4f4e\u6e29\u533a\u57df\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u6d41&#xff1a;\u70ed\u91cf\u901a\u8fc7\u6d41\u4f53\u7684\u5b8f\u89c2\u8fd0\u52a8\u4ece\u4e00\u4e2a\u533a\u57df\u4f20\u5411\u53e6\u4e00\u4e2a\u533a\u57df\u3002<\/p>\n<\/li>\n<li>\n<p>\u8f90\u5c04&#xff1a;\u70ed\u91cf\u901a\u8fc7\u7535\u78c1\u6ce2\u7684\u5f62\u5f0f\u4ece\u4e00\u4e2a\u7269\u4f53\u4f20\u5411\u53e6\u4e00\u4e2a\u7269\u4f53&#xff0c;\u4e0d\u9700\u8981\u4ecb\u8d28\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>1.2 \u4f20\u70ed\u65b9\u7a0b<\/h4>\n<p>\u4f20\u70ed\u5206\u6790\u7684\u6838\u5fc3\u662f\u80fd\u91cf\u5b88\u6052\u65b9\u7a0b&#xff0c;Fluent\u4e2d\u4f7f\u7528\u7684\u662fNavier-Stokes\u65b9\u7a0b\u548c\u80fd\u91cf\u65b9\u7a0b\u7684\u8054\u7acb\u6c42\u89e3\u3002\u80fd\u91cf\u65b9\u7a0b\u7684\u57fa\u672c\u5f62\u5f0f\u5982\u4e0b&#xff1a;<\/p>\n<p>$$<\/p>\n<p>\\\\rho c_p \\\\left( \\\\frac{\\\\partial T}{\\\\partial t} &#043; \\\\mathbf{u} \\\\cdot \\\\nabla T \\\\right) &#061; \\\\nabla \\\\cdot \\\\left( k \\\\nabla T \\\\right) &#043; \\\\dot{q}<\/p>\n<p>$$<\/p>\n<ul>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\u03c1\\\\rho<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\">\u03c1<\/span><\/span><\/span><\/span><\/span>\u662f\u5bc6\u5ea6<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">cpc_p<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.7167em;vertical-align: -0.2861em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">p<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u662f\u6bd4\u70ed<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">TT<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">T<\/span><\/span><\/span><\/span><\/span>\u662f\u6e29\u5ea6<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">u\\\\mathbf{u}<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.4444em\"><\/span><span class=\"mord mathbf\">u<\/span><\/span><\/span><\/span><\/span>\u662f\u901f\u5ea6\u77e2\u91cf<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">kk<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0315em\">k<\/span><\/span><\/span><\/span><\/span>\u662f\u5bfc\u70ed\u7cfb\u6570<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">q\u02d9\\\\dot{q}<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8623em;vertical-align: -0.1944em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.6679em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">q<\/span><\/span><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.0556em\"><span class=\"mord\">\u02d9<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1944em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u662f\u70ed\u6e90\u9879<\/p>\n<\/li>\n<\/ul>\n<h4>1.3 \u8bbe\u7f6e\u4f20\u70ed\u5206\u6790<\/h4>\n<p>\u5728Fluent\u4e2d\u8bbe\u7f6e\u4f20\u70ed\u5206\u6790\u7684\u6b65\u9aa4\u5982\u4e0b&#xff1a;<\/p>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u8fdb\u5165Model\u83dc\u5355&#xff0c;\u9009\u62e9Energy\u9009\u9879&#xff0c;\u542f\u7528\u80fd\u91cf\u65b9\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u5408\u9002\u7684\u4f20\u70ed\u6a21\u578b&#xff0c;\u5982Conduction\u3001Convection\u548cRadiation\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<ul>\n<li>\u5728Materials\u83dc\u5355\u4e2d\u5b9a\u4e49\u6750\u6599\u7684\u70ed\u5bfc\u7387\u3001\u5bc6\u5ea6\u548c\u6bd4\u70ed\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<ul>\n<li>\u5728Boundary Conditions\u4e2d\u8bbe\u7f6e\u8fb9\u754c\u6761\u4ef6&#xff0c;\u5982\u6e29\u5ea6\u3001\u70ed\u6d41\u5bc6\u5ea6\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5728Solve\u83dc\u5355\u4e2d\u9009\u62e9\u5408\u9002\u7684\u6c42\u89e3\u5668\u548c\u6c42\u89e3\u65b9\u6cd5&#xff0c;\u5982Coupled\u6216Segregated\u6c42\u89e3\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff0c;\u5982\u65f6\u95f4\u6b65\u957f\u3001\u6536\u655b\u51c6\u5219\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h4>1.4 \u6848\u4f8b\u5206\u6790&#xff1a;\u4f20\u5bfc\u4f20\u70ed<\/h4>\n<h5>1.4.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u957f\u65b9\u4f53\u91d1\u5c5e\u5757&#xff0c;\u521d\u59cb\u6e29\u5ea6\u4e3a20\u00b0C\u3002\u91d1\u5c5e\u5757\u7684\u4e00\u4fa7\u88ab\u52a0\u70ed\u5230100\u00b0C&#xff0c;\u53e6\u4e00\u4fa7\u4fdd\u6301\u572820\u00b0C\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u6e29\u5ea6\u5206\u5e03\u3002<\/p>\n<h5>1.4.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u80fd\u91cf\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/energy&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u91d1\u5c5e\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;metal&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/metal\/thermal-conductivity&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bfc\u70ed\u7cfb\u6570 (W\/m\u00b7K)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/metal\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8000<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/metal\/specific-heat&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6bd4\u70ed (J\/kg\u00b7K)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u52a0\u70ed\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/temperature\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6 (\u00b0C)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u51b7\u5374\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/temperature\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6 (\u00b0C)<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/temperature&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6e29\u5ea6\u5206\u5e03<\/span><\/p>\n<p>temperature_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/temperature&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>temperature_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h4>1.5 \u6848\u4f8b\u5206\u6790&#xff1a;\u5bf9\u6d41\u4f20\u70ed<\/h4>\n<h5>1.5.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u7ba1\u9053&#xff0c;\u5185\u90e8\u6d41\u52a8\u7740\u7a7a\u6c14&#xff0c;\u7ba1\u9053\u7684\u5916\u58c1\u88ab\u52a0\u70ed\u5230100\u00b0C&#xff0c;\u7ba1\u9053\u5185\u90e8\u7684\u7a7a\u6c14\u521d\u59cb\u6e29\u5ea6\u4e3a20\u00b0C\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u6e29\u5ea6\u5206\u5e03\u548c\u4f20\u70ed\u8fc7\u7a0b\u3002<\/p>\n<h5>1.5.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u80fd\u91cf\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/energy&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u7a7a\u6c14\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;air&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/air\/thermal-conductivity&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.025<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bfc\u70ed\u7cfb\u6570 (W\/m\u00b7K)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/air\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.225<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/air\/specific-heat&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1005<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6bd4\u70ed (J\/kg\u00b7K)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u52a0\u70ed\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/temperature\/pipe_wall&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6 (\u00b0C)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u5165\u53e3\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/velocity-inlet\/pipe_inlet&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;u&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;v&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;w&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u901f\u5ea6 (m\/s)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/temperature\/pipe_inlet&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6 (\u00b0C)<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/temperature&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6e29\u5ea6\u5206\u5e03<\/span><\/p>\n<p>temperature_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/temperature&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>temperature_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h4>1.6 \u6848\u4f8b\u5206\u6790&#xff1a;\u8f90\u5c04\u4f20\u70ed<\/h4>\n<h5>1.6.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u5c01\u95ed\u7684\u8154\u4f53&#xff0c;\u5185\u90e8\u6709\u4e24\u5757\u5e73\u884c\u7684\u91d1\u5c5e\u677f&#xff0c;\u677f\u4e4b\u95f4\u7684\u8ddd\u79bb\u4e3a0.1m\u3002\u91d1\u5c5e\u677f\u7684\u521d\u59cb\u6e29\u5ea6\u4e3a20\u00b0C&#xff0c;\u5176\u4e2d\u4e00\u5757\u677f\u88ab\u52a0\u70ed\u5230100\u00b0C\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u6e29\u5ea6\u5206\u5e03\u548c\u8f90\u5c04\u4f20\u70ed\u8fc7\u7a0b\u3002<\/p>\n<h5>1.6.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u80fd\u91cf\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/energy&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u8f90\u5c04\u6a21\u578b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/radiation&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u91d1\u5c5e\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;metal&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/metal\/thermal-conductivity&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bfc\u70ed\u7cfb\u6570 (W\/m\u00b7K)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/metal\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8000<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/metal\/specific-heat&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6bd4\u70ed (J\/kg\u00b7K)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u52a0\u70ed\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/temperature\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6 (\u00b0C)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u51b7\u5374\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/temperature\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6 (\u00b0C)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8f90\u5c04\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u8f90\u5c04\u6a21\u578b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/radiation\/type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;discrete-ordinates&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u8f90\u5c04\u5c5e\u6027<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/radiation\/absorptivity\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5438\u6536\u7387<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/radiation\/emissivity\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u53d1\u5c04\u7387<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/radiation\/absorptivity\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5438\u6536\u7387<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/radiation\/emissivity\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u53d1\u5c04\u7387<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/temperature&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6e29\u5ea6\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6e29\u5ea6\u5206\u5e03<\/span><\/p>\n<p>temperature_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/temperature&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>temperature_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h3>2. \u4f20\u8d28\u5206\u6790<\/h3>\n<h4>2.1 \u4f20\u8d28\u7684\u7c7b\u578b<\/h4>\n<p>\u4f20\u8d28\u5206\u6790\u4e3b\u8981\u6d89\u53ca\u4e09\u79cd\u57fa\u672c\u7684\u4f20\u8d28\u65b9\u5f0f&#xff1a;\u5206\u5b50\u6269\u6563\u3001\u5bf9\u6d41\u6269\u6563\u548c\u53cd\u5e94\u6269\u6563\u3002<\/p>\n<ul>\n<li>\n<p>\u5206\u5b50\u6269\u6563&#xff1a;\u7269\u8d28\u901a\u8fc7\u5206\u5b50\u7684\u968f\u673a\u8fd0\u52a8\u4ece\u9ad8\u6d53\u5ea6\u533a\u57df\u4f20\u5411\u4f4e\u6d53\u5ea6\u533a\u57df\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u6d41\u6269\u6563&#xff1a;\u7269\u8d28\u901a\u8fc7\u6d41\u4f53\u7684\u5b8f\u89c2\u8fd0\u52a8\u4ece\u4e00\u4e2a\u533a\u57df\u4f20\u5411\u53e6\u4e00\u4e2a\u533a\u57df\u3002<\/p>\n<\/li>\n<li>\n<p>\u53cd\u5e94\u6269\u6563&#xff1a;\u7269\u8d28\u5728\u4f20\u8d28\u8fc7\u7a0b\u4e2d\u53d1\u751f\u5316\u5b66\u53cd\u5e94&#xff0c;\u5f71\u54cd\u4f20\u8d28\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>2.2 \u4f20\u8d28\u65b9\u7a0b<\/h4>\n<p>\u4f20\u8d28\u5206\u6790\u7684\u6838\u5fc3\u662f\u7269\u8d28\u5b88\u6052\u65b9\u7a0b&#xff0c;Fluent\u4e2d\u4f7f\u7528\u7684\u662fNavier-Stokes\u65b9\u7a0b\u548c\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b\u7684\u8054\u7acb\u6c42\u89e3\u3002\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b\u7684\u57fa\u672c\u5f62\u5f0f\u5982\u4e0b&#xff1a;<\/p>\n<p>$$<\/p>\n<p>\\\\frac{\\\\partial (\\\\rho \\\\phi)}{\\\\partial t} &#043; \\\\nabla \\\\cdot (\\\\rho \\\\mathbf{u} \\\\phi) &#061; \\\\nabla \\\\cdot \\\\left( D \\\\nabla \\\\phi \\\\right) &#043; \\\\dot{S}<\/p>\n<p>$$<\/p>\n<ul>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\u03c1\\\\rho<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\">\u03c1<\/span><\/span><\/span><\/span><\/span>\u662f\u5bc6\u5ea6<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\u03d5\\\\phi<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\">\u03d5<\/span><\/span><\/span><\/span><\/span>\u662f\u7269\u79cd\u6d53\u5ea6<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">u\\\\mathbf{u}<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.4444em\"><\/span><span class=\"mord mathbf\">u<\/span><\/span><\/span><\/span><\/span>\u662f\u901f\u5ea6\u77e2\u91cf<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">DD<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><\/span><\/span><\/span><\/span>\u662f\u6269\u6563\u7cfb\u6570<\/p>\n<\/li>\n<li>\n<p><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">S\u02d9\\\\dot{S}<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9202em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9202em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0576em\">S<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.0556em\"><span class=\"mord\">\u02d9<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u662f\u6e90\u9879<\/p>\n<\/li>\n<\/ul>\n<h4>2.3 \u8bbe\u7f6e\u4f20\u8d28\u5206\u6790<\/h4>\n<p>\u5728Fluent\u4e2d\u8bbe\u7f6e\u4f20\u8d28\u5206\u6790\u7684\u6b65\u9aa4\u5982\u4e0b&#xff1a;<\/p>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u8fdb\u5165Model\u83dc\u5355&#xff0c;\u9009\u62e9Species\u9009\u9879&#xff0c;\u542f\u7528\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u5408\u9002\u7684\u4f20\u8d28\u6a21\u578b&#xff0c;\u5982Diffusion\u3001Reaction\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<ul>\n<li>\u5728Materials\u83dc\u5355\u4e2d\u5b9a\u4e49\u6750\u6599\u7684\u5bc6\u5ea6\u3001\u6269\u6563\u7cfb\u6570\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<ul>\n<li>\u5728Boundary Conditions\u4e2d\u8bbe\u7f6e\u8fb9\u754c\u6761\u4ef6&#xff0c;\u5982\u7269\u79cd\u6d53\u5ea6\u3001\u8d28\u91cf\u6d41\u7387\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5728Solve\u83dc\u5355\u4e2d\u9009\u62e9\u5408\u9002\u7684\u6c42\u89e3\u5668\u548c\u6c42\u89e3\u65b9\u6cd5&#xff0c;\u5982Coupled\u6216Segregated\u6c42\u89e3\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff0c;\u5982\u65f6\u95f4\u6b65\u957f\u3001\u6536\u655b\u51c6\u5219\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h4>2.4 \u6848\u4f8b\u5206\u6790&#xff1a;\u5206\u5b50\u6269\u6563<\/h4>\n<h5>2.4.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u957f\u65b9\u4f53\u5bb9\u5668&#xff0c;\u5185\u90e8\u5145\u6ee1\u6c34&#xff0c;\u5bb9\u5668\u7684\u4e00\u4fa7\u88ab\u52a0\u5165\u67d0\u79cd\u7269\u8d28&#xff0c;\u521d\u59cb\u6d53\u5ea6\u4e3a100 ppm&#xff0c;\u53e6\u4e00\u4fa7\u4fdd\u6301\u57280 ppm\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u6d53\u5ea6\u5206\u5e03\u3002<\/p>\n<h5>2.4.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/species&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u6c34\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;water&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/molecular-weight&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5206\u5b50\u91cf (g\/mol)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28\u52a0\u5165\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;species1&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28\u4fdd\u6301\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;species1&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/mass-fraction&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6d53\u5ea6\u5206\u5e03<\/span><\/p>\n<p>concentration_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/mass-fraction&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>concentration_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h4>2.5 \u6848\u4f8b\u5206\u6790&#xff1a;\u5bf9\u6d41\u6269\u6563<\/h4>\n<h5>2.5.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u7ba1\u9053&#xff0c;\u5185\u90e8\u6d41\u52a8\u7740\u6c34&#xff0c;\u7ba1\u9053\u7684\u5916\u58c1\u88ab\u52a0\u5165\u67d0\u79cd\u7269\u8d28&#xff0c;\u521d\u59cb\u6d53\u5ea6\u4e3a100 ppm&#xff0c;\u7ba1\u9053\u5185\u90e8\u7684\u6c34\u521d\u59cb\u6d53\u5ea6\u4e3a0 ppm\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u6d53\u5ea6\u5206\u5e03\u548c\u5bf9\u6d41\u6269\u6563\u8fc7\u7a0b\u3002<\/p>\n<h5>2.5.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/species&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u6c34\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;water&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/molecular-weight&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5206\u5b50\u91cf (g\/mol)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28\u52a0\u5165\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/pipe_wall&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;species1&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u5165\u53e3\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/velocity-inlet\/pipe_inlet&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;u&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;v&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;w&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u901f\u5ea6 (m\/s)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/pipe_inlet&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;species1&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/mass-fraction&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6d53\u5ea6\u5206\u5e03<\/span><\/p>\n<p>concentration_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/mass-fraction&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>concentration_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h4>2.6 \u6848\u4f8b\u5206\u6790&#xff1a;\u53cd\u5e94\u6269\u6563<\/h4>\n<h5>2.6.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u53cd\u5e94\u5668&#xff0c;\u5185\u90e8\u5145\u6ee1\u6c34&#xff0c;\u6c34\u4e2d\u6709\u4e24\u79cd\u7269\u8d28A\u548cB&#xff0c;\u5b83\u4eec\u4e4b\u95f4\u53d1\u751f\u5316\u5b66\u53cd\u5e94\u751f\u6210C\u3002\u53cd\u5e94\u5668\u7684\u4e00\u4fa7\u88ab\u52a0\u5165\u7269\u8d28A&#xff0c;\u521d\u59cb\u6d53\u5ea6\u4e3a100 ppm&#xff0c;\u53e6\u4e00\u4fa7\u88ab\u52a0\u5165\u7269\u8d28B&#xff0c;\u521d\u59cb\u6d53\u5ea6\u4e3a50 ppm\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u6d53\u5ea6\u5206\u5e03\u548c\u53cd\u5e94\u6269\u6563\u8fc7\u7a0b\u3002<\/p>\n<h5>2.6.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/species&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u53cd\u5e94\u6a21\u578b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/reaction&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u6c34\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;water&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/molecular-weight&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5206\u5b50\u91cf (g\/mol)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<\/li>\n<li>\n<p>\u5b9a\u4e49\u53cd\u5e94&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u5316\u5b66\u53cd\u5e94A &#043; B -&gt; C<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/reaction\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;reaction1&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/reaction\/reaction1\/reactants&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;A&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;B&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/reaction\/reaction1\/products&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;C&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/reaction\/reaction1\/rate-constant&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.1<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u53cd\u5e94\u901f\u7387\u5e38\u6570 (1\/s)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28A\u52a0\u5165\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;A&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;B&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;C&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28B\u52a0\u5165\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;A&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;B&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;C&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/mass-fraction&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6d53\u5ea6\u5206\u5e03<\/span><\/p>\n<p>concentration_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/mass-fraction&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>concentration_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h4>2.7 \u6848\u4f8b\u5206\u6790&#xff1a;\u591a\u7ec4\u5206\u4f20\u8d28<\/h4>\n<h5>2.7.1 \u95ee\u9898\u63cf\u8ff0<\/h5>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u7ba1\u9053&#xff0c;\u5185\u90e8\u6d41\u52a8\u7740\u6c34&#xff0c;\u6c34\u4e2d\u542b\u6709\u591a\u79cd\u7269\u8d28&#xff08;A\u3001B\u3001C&#xff09;\u3002\u7ba1\u9053\u7684\u4e00\u4fa7\u88ab\u52a0\u5165\u7269\u8d28A&#xff0c;\u521d\u59cb\u6d53\u5ea6\u4e3a100 ppm&#xff0c;\u53e6\u4e00\u4fa7\u88ab\u52a0\u5165\u7269\u8d28B&#xff0c;\u521d\u59cb\u6d53\u5ea6\u4e3a50 ppm&#xff0c;\u7ba1\u9053\u5185\u90e8\u7684\u7269\u8d28C\u521d\u59cb\u6d53\u5ea6\u4e3a0 ppm\u3002\u6211\u4eec\u9700\u8981\u6a21\u62df\u5728\u7a33\u6001\u6761\u4ef6\u4e0b\u7684\u591a\u7ec4\u5206\u6d53\u5ea6\u5206\u5e03\u548c\u4f20\u8d28\u8fc7\u7a0b\u3002<\/p>\n<h5>2.7.2 \u6a21\u578b\u8bbe\u7f6e<\/h5>\n<li>\n<p>\u5b9a\u4e49\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u7269\u79cd\u8f93\u8fd0\u65b9\u7a0b<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;model\/species&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;on&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6750\u6599\u5c5e\u6027&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u6c34\u6750\u6599<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;water&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/density&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5bc6\u5ea6 (kg\/m^3)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/molecular-weight&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5206\u5b50\u91cf (g\/mol)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/water\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49\u7269\u8d28A\u3001B\u3001C<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesA&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/speciesA\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesB&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/speciesB\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/new&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesC&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;materials\/speciesC\/diffusion-coefficient&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6269\u6563\u7cfb\u6570 (m^2\/s)<\/span><\/p>\n<\/li>\n<li>\n<p>\u8fb9\u754c\u6761\u4ef6&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28A\u52a0\u5165\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/wall1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;speciesA&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesB&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesC&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u7269\u8d28B\u52a0\u5165\u9762\u7684\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/wall2&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;speciesA&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesB&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesC&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u5165\u53e3\u8fb9\u754c\u6761\u4ef6<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/velocity-inlet\/pipe_inlet&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;u&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;v&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;w&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u901f\u5ea6 (m\/s)<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;boundary-conditions\/mass-fraction\/pipe_inlet&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;speciesA&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesB&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;speciesC&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570 (ppm)<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3\u8bbe\u7f6e&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9009\u62e9\u8026\u5408\u6c42\u89e3\u5668<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/solver-type&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;coupled&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u6536\u655b\u51c6\u5219<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;solve\/controls\/mass-fraction&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1e<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8d28\u91cf\u5206\u6570\u6b8b\u5dee\u51c6\u5219<\/span><\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5f00\u59cb\u6c42\u89e3<\/span><\/p>\n<p>fluent<span class=\"token punctuation\">.<\/span>solve<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6d53\u5ea6\u5206\u5e03<\/span><\/p>\n<p>concentration_distribution <span class=\"token operator\">&#061;<\/span> fluent<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;results\/mass-fraction&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>concentration_distribution<span class=\"token punctuation\">)<\/span><\/p>\n<\/li>\n<h4>2.8 \u603b\u7ed3<\/h4>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6848\u4f8b\u5206\u6790&#xff0c;\u6211\u4eec\u53ef\u4ee5\u770b\u5230Fluent\u5728\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790\u4e2d\u7684\u5f3a\u5927\u529f\u80fd\u3002\u65e0\u8bba\u662f\u5355\u4e00\u7684\u4f20\u70ed\u8fc7\u7a0b&#xff0c;\u8fd8\u662f\u590d\u6742\u7684\u591a\u7ec4\u5206\u4f20\u8d28\u8fc7\u7a0b&#xff0c;Fluent\u90fd\u80fd\u63d0\u4f9b\u8be6\u7ec6\u7684\u8bbe\u7f6e\u65b9\u6cd5\u548c\u6c42\u89e3\u7b56\u7565\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u95ee\u9898\u9009\u62e9\u5408\u9002\u7684\u6a21\u578b\u548c\u8fb9\u754c\u6761\u4ef6&#xff0c;\u8fdb\u884c\u4eff\u771f\u5206\u6790\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790\u5f80\u5f80\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u7269\u7406\u73b0\u8c61&#xff0c;\u5982\u591a\u76f8\u6d41\u3001\u5316\u5b66\u53cd\u5e94\u7b49\u3002Fluent\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7269\u7406\u6a21\u578b\u548c\u6c42\u89e3\u65b9\u6cd5&#xff0c;\u80fd\u591f\u6ee1\u8db3\u5404\u79cd\u590d\u6742\u5de5\u7a0b\u95ee\u9898\u7684\u4eff\u771f\u9700\u6c42\u3002\u5e0c\u671b\u672c\u7ae0\u7684\u5185\u5bb9\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528Fluent\u8fdb\u884c\u4f20\u70ed\u4e0e\u4f20\u8d28\u5206\u6790\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810223436-68991e7c89de1.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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