{"id":738708,"date":"2024-11-16T00:02:51","date_gmt":"2024-11-15T23:02:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=738708"},"modified":"2024-11-16T00:02:51","modified_gmt":"2024-11-15T23:02:51","slug":"%e7%8e%af%e5%a2%83%e6%b5%81%e4%bd%93%e5%8a%9b%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%8e%af%e5%a2%83%e6%b5%81%e4%bd%93%e5%8a%9b%e5%ad%a6\/","title":{"rendered":"\u73af\u5883\u6d41\u4f53\u529b\u5b66"},"content":{"rendered":"<p class=\"sidekick\">\u73af\u5883\u6d41\u4f53\u529b\u5b66\uff1a\u7814\u7a76\u6d41\u4f53\u5728\u81ea\u7136\u73af\u5883\u4e2d\u7684\u8fd0\u52a8\u548c\u76f8\u4e92\u4f5c\u7528\uff0c\u5e94\u7528\u5728\u6c14\u5019\u53d8\u5316\u3001\u6c34\u8d44\u6e90\u7ba1\u7406\u53ca\u6c61\u67d3\u63a7\u5236\u7b49\u9886\u57df\uff0c\u4fdd\u62a4\u751f\u6001\u73af\u5883\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u73af\u5883\u6d41\u4f53\u529b\u5b66.png\" alt=\"\u73af\u5883\u6d41\u4f53\u529b\u5b66\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u73af\u5883\u6d41\u4f53\u529b\u5b66<\/h2>\n<p>\u73af\u5883\u6d41\u4f53\u529b\u5b66\u662f\u4e00\u95e8\u7814\u7a76\u81ea\u7136\u754c\u4e2d\u6d41\u4f53\u8fd0\u52a8\u53ca\u5176\u4e0e\u73af\u5883\u76f8\u4e92\u4f5c\u7528\u7684\u5b66\u79d1\u3002\u5b83\u7ed3\u5408\u4e86\u7269\u7406\u5b66\u3001\u5316\u5b66\u3001\u751f\u7269\u5b66\u4ee5\u53ca\u5de5\u7a0b\u5b66\u7684\u77e5\u8bc6\uff0c\u65e8\u5728\u7406\u89e3\u548c\u89e3\u51b3\u73af\u5883\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u952e\u6982\u5ff5\u548c\u5e94\u7528\u9886\u57df\u3002<\/p>\n<h2>\u57fa\u672c\u6982\u5ff5<\/h2>\n<ul>\n<li><b>\u6d41\u4f53<\/b>: \u6d41\u4f53\u662f\u6307\u80fd\u591f\u6d41\u52a8\u7684\u7269\u8d28\uff0c\u5305\u62ec\u6db2\u4f53\u548c\u6c14\u4f53\u3002\u5728\u73af\u5883\u6d41\u4f53\u529b\u5b66\u4e2d\uff0c\u5e38\u89c1\u7684\u6d41\u4f53\u5305\u62ec\u7a7a\u6c14\u548c\u6c34\u3002<\/li>\n<li><b>\u6d41\u52a8\u7c7b\u578b<\/b>: \u6d41\u4f53\u6d41\u52a8\u53ef\u4ee5\u5206\u4e3a\u5c42\u6d41\u548c\u6e4d\u6d41\u3002\u5c42\u6d41\u662f\u6307\u6d41\u4f53\u5206\u5b50\u6cbf\u7740\u5e73\u884c\u7684\u6d41\u7ebf\u8fd0\u52a8\uff0c\u6e4d\u6d41\u5219\u662f\u6d41\u4f53\u5206\u5b50\u505a\u4e0d\u89c4\u5219\u7684\u6df7\u5408\u8fd0\u52a8\u3002<\/li>\n<li><b>\u8fde\u7eed\u6027\u65b9\u7a0b<\/b>: \u8fde\u7eed\u6027\u65b9\u7a0b\u8868\u660e\u8d28\u91cf\u5b88\u6052\uff0c\u5373\u8fdb\u51fa\u63a7\u5236\u4f53\u7684\u8d28\u91cf\u6d41\u7387\u76f8\u7b49\u3002\u6570\u5b66\u8868\u8fbe\u4e3a\uff1a\n<p>        \\[<br \/>\n        \\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\mathbf{u}) = 0<br \/>\n        \\]\n<p>        \u5176\u4e2d \\(\\rho\\) \u4e3a\u5bc6\u5ea6\uff0c\\(\\mathbf{u}\\) \u4e3a\u901f\u5ea6\u3002<\/li>\n<li><b>\u52a8\u91cf\u65b9\u7a0b<\/b>: \u52a8\u91cf\u65b9\u7a0b\u63cf\u8ff0\u4e86\u6d41\u4f53\u53d7\u529b\u540e\u901f\u5ea6\u7684\u53d8\u5316\uff0c\u53ef\u4ee5\u7528\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b\u8868\u793a\uff1a\n<p>        \\[<br \/>\n        \\rho \\left( \\frac{\\partial \\mathbf{u}}{\\partial t} + (\\mathbf{u} \\cdot \\nabla) \\mathbf{u} \\right) = -\\nabla p + \\mu \\nabla^2 \\mathbf{u} + \\mathbf{f}<br \/>\n        \\]\n<p>        \u5176\u4e2d \\(p\\) \u4e3a\u538b\u529b\uff0c\\(\\mu\\) \u4e3a\u52a8\u529b\u7c98\u5ea6\u7cfb\u6570\uff0c\\(\\mathbf{f}\\) \u4e3a\u4f53\u79ef\u529b\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u9886\u57df<\/h2>\n<ul>\n<li><b>\u5927\u6c14\u6d41\u4f53\u529b\u5b66<\/b>: \u7814\u7a76\u6c14\u8c61\u73b0\u8c61\uff0c\u4f8b\u5982\u98ce\u3001\u964d\u6c34\u548c\u6c14\u5019\u53d8\u5316\u3002<\/li>\n<li><b>\u6c34\u6587\u6d41\u4f53\u529b\u5b66<\/b>: 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