{"id":739129,"date":"2024-09-20T01:45:34","date_gmt":"2024-09-20T00:45:34","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=739129"},"modified":"2024-09-20T01:45:34","modified_gmt":"2024-09-20T00:45:34","slug":"%e6%b5%81%e4%bd%93%e4%b8%ad%e7%9a%84%e6%b3%a5%e6%b2%99%e8%be%93%e8%bf%90","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b5%81%e4%bd%93%e4%b8%ad%e7%9a%84%e6%b3%a5%e6%b2%99%e8%be%93%e8%bf%90\/","title":{"rendered":"\u6d41\u4f53\u4e2d\u7684\u6ce5\u6c99\u8f93\u8fd0"},"content":{"rendered":"<p class=\"sidekick\">\u6ce5\u6c99\u8f93\u8fd0\u5728\u6d41\u4f53\u4e2d\u7684\u539f\u7406\u3001\u5f71\u54cd\u56e0\u7d20\u53ca\u5b9e\u9645\u5e94\u7528\uff0c\u6df1\u5165\u89e3\u6790\u6ce5\u6c99\u5728\u6d41\u52a8\u5a92\u4ecb\u4e2d\u7684\u884c\u4e3a\u53ca\u5176\u5bf9\u5de5\u7a0b\u9879\u76ee\u7684\u91cd\u8981\u6027\uff0c\u5e2e\u52a9\u4f60\u4e86\u89e3\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6d41\u4f53\u4e2d\u7684\u6ce5\u6c99\u8f93\u8fd0.png\" alt=\"\u6d41\u4f53\u4e2d\u7684\u6ce5\u6c99\u8f93\u8fd0\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6d41\u4f53\u4e2d\u7684\u6ce5\u6c99\u8f93\u8fd0<\/h2>\n<p>\u5728\u70ed\u5de5\u9886\u57df\uff0c\u6d41\u4f53\u4e2d\u7684\u6ce5\u6c99\u8f93\u8fd0\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u7814\u7a76\u8bfe\u9898\u3002\u6ce5\u6c99\u8f93\u8fd0\u6d89\u53ca\u5230\u6ce5\u6c99\u9897\u7c92\u5728\u6d41\u4f53\u4e2d\u7684\u8fd0\u52a8\u548c\u5206\u5e03\uff0c\u8fd9\u5bf9\u4e8e\u6cb3\u6d41\u6cbb\u7406\u3001\u6d77\u5cb8\u5de5\u7a0b\u548c\u6c34\u5229\u8bbe\u65bd\u7684\u8bbe\u8ba1\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<h2>\u6ce5\u6c99\u7684\u6765\u6e90<\/h2>\n<p>\u6ce5\u6c99\u901a\u5e38\u6765\u6e90\u4e8e\u6cb3\u6d41\u3001\u6e56\u6cca\u548c\u6d77\u6d0b\u4e2d\u7684\u81ea\u7136\u4fb5\u8680\u8fc7\u7a0b\u3002\u98ce\u5316\u4f5c\u7528\u548c\u964d\u96e8\u51b2\u5237\u4f1a\u5c06\u571f\u58e4\u548c\u5ca9\u77f3\u7c92\u5b50\u5e26\u5165\u6c34\u4f53\uff0c\u5f62\u6210\u6ce5\u6c99\u3002\u6ce5\u6c99\u53ef\u4ee5\u662f\u7ec6\u5c0f\u7684\u9ecf\u571f\u9897\u7c92\uff0c\u4e5f\u53ef\u4ee5\u662f\u8f83\u5927\u7684\u6c99\u7c92\u6216\u783e\u77f3\u3002<\/p>\n<h2>\u6ce5\u6c99\u8f93\u8fd0\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u6ce5\u6c99\u5728\u6d41\u4f53\u4e2d\u7684\u8f93\u8fd0\u4e3b\u8981\u53d7\u6d41\u4f53\u52a8\u529b\u5b66\u3001\u91cd\u529b\u548c\u9897\u7c92\u95f4\u76f8\u4e92\u4f5c\u7528\u7684\u5f71\u54cd\u3002\u4e3b\u8981\u7684\u8f93\u8fd0\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n<p><u1><\/p>\n<li>\u60ac\u6d6e\u8f93\u8fd0\uff1a\u5c0f\u9897\u7c92\u5728\u6d41\u4f53\u4e2d\u60ac\u6d6e\uff0c\u901a\u8fc7\u6da1\u6d41\u548c\u5e03\u6717\u8fd0\u52a8\u4fdd\u6301\u5728\u6db2\u4f53\u4e2d\u3002<\/li>\n<li>\u63a8\u79fb\u8f93\u8fd0\uff1a\u8f83\u5927\u7684\u9897\u7c92\u6cbf\u7740\u6cb3\u5e8a\u6216\u6d77\u5e8a\u6eda\u52a8\u6216\u8df3\u8dc3\u3002<\/li>\n<li>\u5e8a\u8f7d\u8f93\u8fd0\uff1a\u5e95\u90e8\u7684\u9897\u7c92\u5f62\u6210\u4e00\u5c42\u6ce5\u6c99\u5e8a\uff0c\u968f\u7740\u6d41\u4f53\u7684\u8fd0\u52a8\u800c\u79fb\u52a8\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u6ce5\u6c99\u8f93\u8fd0\u7684\u6570\u5b66\u6a21\u578b<\/h2>\n<p>\u63cf\u8ff0\u6ce5\u6c99\u8f93\u8fd0\u7684\u4e00\u4e9b\u57fa\u672c\u65b9\u7a0b\u5305\u62ec\uff1a<\/p>\n<p><o1><\/p>\n<li> <b>\u8fde\u7eed\u6027\u65b9\u7a0b\uff1a<\/b> \\(\\nabla \\cdot \\mathbf{u} = 0\\) \uff08\u8d28\u91cf\u5b88\u6052\uff09<\/li>\n<li> <b>\u52a8\u91cf\u65b9\u7a0b\uff1a<\/b> <br \/>\n     \\(\\frac{\\partial \\mathbf{u}}{\\partial t} + (\\mathbf{u} \\cdot \\nabla) \\mathbf{u} = -\\frac{1}{\\rho} \\nabla p + \\nu \\nabla^2 \\mathbf{u} + \\mathbf{g}\\) <br \/>\uff08\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b\uff09\n  <\/li>\n<li> <b>\u6ce5\u6c99\u8f93\u8fd0\u65b9\u7a0b\uff1a<\/b> \\\\<br \/>\n     \\(\\frac{\\partial C}{\\partial t} + \\mathbf{u} \\cdot \\nabla C = \\nabla \\cdot (D \\nabla C)\\) <br \/>\uff08\u6ce5\u6c99\u6d53\u5ea6\u5b88\u6052\uff09\n  <\/li>\n<p><\/o1><\/p>\n<h2>\u6ce5\u6c99\u8f93\u8fd0\u7684\u5f71\u54cd\u56e0\u7d20<\/h2>\n<p>\u6ce5\u6c99\u8f93\u8fd0\u53d7\u5230\u591a\u4e2a\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\uff1a<\/p>\n<p><u1><\/p>\n<li><b>\u6d41\u901f\uff1a<\/b> \u6d41\u901f\u589e\u52a0\u4f1a\u589e\u5f3a\u60ac\u6d6e\u548c\u63a8\u79fb\u80fd\u529b\u3002<\/li>\n<li><b>\u9897\u7c92\u5927\u5c0f\uff1a<\/b> \u9897\u7c92\u8d8a\u5927\uff0c\u8d8a\u96be\u4ee5\u60ac\u6d6e\u3002<\/li>\n<li><b>\u6c34\u6df1\uff1a<\/b> \u6c34\u6df1\u5f71\u54cd\u6ce5\u6c99\u9897\u7c92\u7684\u6c89\u964d\u901f\u5ea6\u3002<\/li>\n<li><b>\u6d41\u4f53\u9ecf\u5ea6\uff1a<\/b> \u6d41\u4f53\u9ecf\u5ea6\u8d8a\u5927\uff0c\u8f93\u79fb\u52a8\u80fd\u635f\u5931\u8d8a\u5927\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u5b9e\u9645\u5e94\u7528<\/h2>\n<p>\u6ce5\u6c99\u8f93\u8fd0\u7814\u7a76\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u6bd4\u5982\uff1a<\/p>\n<p><u1><\/p>\n<li><b>\u6cb3\u6d41\u6cbb\u7406\uff1a<\/b> \u901a\u8fc7\u63a7\u5236\u6ce5\u6c99\u8f93\u8fd0\uff0c\u9632\u6b62\u6cb3\u5e8a\u6de4\u79ef\uff0c\u4fdd\u6301\u6cb3\u6d41\u901a\u7545\u3002<\/li>\n<li><b>\u6c34\u5e93\u7ba1\u7406\uff1a<\/b> \u9632\u6b62\u6c34\u5e93\u4e2d\u7684\u6c89\u79ef\u7269\u5f71\u54cd\u6c34\u5e93\u5bb9\u91cf\u548c\u529f\u80fd\u3002<\/li>\n<li><b>\u6d77\u5cb8\u4fdd\u62a4\uff1a<\/b> \u901a\u8fc7\u4e86\u89e3\u6ce5\u6c99\u8f93\u8fd0\u89c4\u5f8b\uff0c\u53ef\u4ee5\u8bbe\u8ba1\u6709\u6548\u7684\u9632\u6ce2\u5824\u548c\u6c99\u6ee9\u6062\u590d\u63aa\u65bd\u3002<\/li>\n<p><\/u1><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6ce5\u6c99\u8f93\u8fd0\u5728\u6d41\u4f53\u4e2d\u7684\u539f\u7406\u3001\u5f71\u54cd\u56e0\u7d20\u53ca\u5b9e\u9645\u5e94\u7528\uff0c\u6df1\u5165\u89e3\u6790\u6ce5\u6c99\u5728\u6d41\u52a8\u5a92\u4ecb\u4e2d\u7684\u884c\u4e3a\u53ca\u5176\u5bf9\u5de5\u7a0b\u9879\u76ee\u7684\u91cd\u8981\u6027\uff0c\u5e2e\u52a9\u4f60\u4e86\u89e3\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[134],"tags":[],"yoast_head":"<!-- This site is optimized 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