{"id":738727,"date":"2024-08-13T12:09:43","date_gmt":"2024-08-13T11:09:43","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=738727"},"modified":"2024-08-13T12:09:43","modified_gmt":"2024-08-13T11:09:43","slug":"%e8%bf%87%e7%a8%8b%e5%b7%a5%e7%a8%8b%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e8%bf%87%e7%a8%8b%e5%b7%a5%e7%a8%8b%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6\/","title":{"rendered":"\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66"},"content":{"rendered":"<p class=\"sidekick\">\u6d41\u4f53\u52a8\u529b\u5b66\u5728\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\uff0c\u7814\u7a76\u6d41\u4f53\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u8fd0\u52a8\u548c\u884c\u4e3a\uff0c\u4e3a\u80fd\u6e90\u3001\u5316\u5de5\u7b49\u9886\u57df\u7684\u4f18\u5316\u63d0\u4f9b\u6280\u672f\u652f\u6301\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66.png\" alt=\"\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u662f\u70ed\u5de5\u5b66\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u5206\u652f\uff0c\u7814\u7a76\u6d41\u4f53\uff08\u6db2\u4f53\u548c\u6c14\u4f53\uff09\u7684\u8fd0\u52a8\u53ca\u5176\u4e0e\u56fa\u4f53\u8fb9\u754c\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u5728\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\uff0c\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u77e5\u8bc6\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8bbe\u8ba1\u548c\u4f18\u5316\u5404\u79cd\u8bbe\u5907\u548c\u7cfb\u7edf\uff0c\u5982\u53cd\u5e94\u5668\u3001\u6362\u70ed\u5668\u3001\u6cf5\u548c\u538b\u7f29\u673a\u7b49\u3002<\/p>\n<h2>\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u57fa\u672c\u539f\u7406\u53ef\u4ee5\u901a\u8fc7\u4e09\u4e2a\u4e3b\u8981\u65b9\u7a0b\u63cf\u8ff0\uff1a\u8fde\u7eed\u6027\u65b9\u7a0b\u3001\u52a8\u91cf\u65b9\u7a0b\uff08\u4e5f\u79f0\u4e3aNavier-Stokes\u65b9\u7a0b\uff09\u548c\u80fd\u91cf\u65b9\u7a0b\u3002<\/p>\n<ul>\n<li><b>\u8fde\u7eed\u6027\u65b9\u7a0b\uff1a<\/b>\u63cf\u8ff0\u4e86\u6d41\u4f53\u8d28\u91cf\u5b88\u6052\u7684\u539f\u7406\u3002\u5bf9\u4e8e\u4e0d\u53ef\u538b\u7f29\u6d41\u4f53\uff0c\u8fde\u7eed\u6027\u65b9\u7a0b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a$\\nabla \\cdot \\mathbf{v} = 0$\uff0c\u5176\u4e2d$\\mathbf{v}$\u662f\u6d41\u4f53\u901f\u5ea6\u77e2\u91cf\u3002<\/li>\n<li><b>\u52a8\u91cf\u65b9\u7a0b\uff1a<\/b>\u53c8\u79f0Navier-Stokes\u65b9\u7a0b\uff0c\u63cf\u8ff0\u4e86\u6d41\u4f53\u52a8\u91cf\u5b88\u6052\u7684\u539f\u7406\u3002\u65b9\u7a0b\u4e3a\uff1a$\\rho \\left( \\frac{\\partial \\mathbf{v}}{\\partial t} + \\mathbf{v} \\cdot \\nabla \\mathbf{v} \\right) = -\\nabla p + \\mu \\nabla^2 \\mathbf{v} + \\mathbf{F}$\uff0c\u5176\u4e2d$\\rho$\u4e3a\u6d41\u4f53\u5bc6\u5ea6\uff0c$\\mathbf{v}$\u4e3a\u6d41\u4f53\u901f\u5ea6\u77e2\u91cf\uff0c$p$\u4e3a\u538b\u529b\uff0c$\\mu$\u4e3a\u52a8\u529b\u7c98\u5ea6\uff0c$\\mathbf{F}$\u4e3a\u5916\u529b\u3002<\/li>\n<li><b>\u80fd\u91cf\u65b9\u7a0b\uff1a<\/b>\u63cf\u8ff0\u4e86\u6d41\u4f53\u80fd\u91cf\u5b88\u6052\u7684\u539f\u7406\uff0c\u901a\u5e38\u8868\u793a\u4e3a\uff1a$ \\rho \\left( \\frac{\\partial h}{\\partial t} + \\mathbf{v} \\cdot \\nabla h \\right) = \\frac{\\partial q}{\\partial t} + \\nabla \\cdot (\\lambda \\nabla T) + \\Phi$\uff0c\u5176\u4e2d$h$\u4e3a\u7113\uff0c$q$\u4e3a\u70ed\u901a\u91cf\uff0c$\\lambda$\u4e3a\u70ed\u5bfc\u7387\uff0c$T$\u4e3a\u6e29\u5ea6\uff0c$\\Phi$\u4e3a\u7c98\u6027\u8017\u6563\u51fd\u6570\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u5b9e\u4f8b<\/h2>\n<h3>\u53cd\u5e94\u5668\u8bbe\u8ba1<\/h3>\n<p>\u5728\u5316\u5b66\u53cd\u5e94\u5668\u7684\u8bbe\u8ba1\u4e2d\uff0c\u6d41\u4f53\u52a8\u529b\u5b66\u5e2e\u52a9\u5de5\u7a0b\u5e08\u9884\u6d4b\u53cd\u5e94\u7269\u548c\u4ea7\u7269\u5728\u53cd\u5e94\u5668\u4e2d\u7684\u6d41\u52a8\u548c\u6df7\u5408\u60c5\u51b5\u3002\u901a\u8fc7\u6570\u503c\u6a21\u62df\uff0c\u53ef\u4ee5\u4f18\u5316\u53cd\u5e94\u5668\u7684\u51e0\u4f55\u5f62\u72b6\u548c\u64cd\u4f5c\u6761\u4ef6\uff0c\u4ece\u800c\u63d0\u9ad8\u53cd\u5e94\u6548\u7387\u548c\u4ea7\u91cf\u3002<\/p>\n<h3>\u7ba1\u9053\u7cfb\u7edf<\/h3>\n<p>\u7ba1\u9053\u7cfb\u7edf\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u5206\u6790\u7528\u4e8e\u786e\u4fdd\u6d41\u4f53\u80fd\u591f\u5728\u89c4\u5b9a\u7684\u538b\u529b\u548c\u6d41\u91cf\u6761\u4ef6\u4e0b\u987a\u5229\u8f93\u9001\u3002\u4e86\u89e3\u6d41\u4f53\u6469\u64e6\u635f\u5931\u548c\u6e4d\u6d41\u7279\u6027\u5bf9\u4e8e\u8bbe\u8ba1\u9ad8\u6548\u7684\u7ba1\u9053\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>\u6362\u70ed\u5668<\/h3>\n<p>\u6362\u70ed\u5668\u662f\u5229\u7528\u6d41\u4f53\u52a8\u529b\u5b66\u77e5\u8bc6\u5b9e\u73b0\u70ed\u91cf\u4f20\u9012\u7684\u8bbe\u5907\u3002\u5728\u6362\u70ed\u5668\u8bbe\u8ba1\u4e2d\uff0c\u6d41\u4f53\u6d41\u52a8\u60c5\u51b5\u76f4\u63a5\u5f71\u54cd\u5230\u6362\u70ed\u6548\u7387\u3002\u901a\u8fc7\u4f18\u5316\u6d41\u4f53\u8def\u5f84\uff0c\u53ef\u4ee5\u6700\u5927\u5316\u70ed\u4f20\u9012\u901f\u7387\uff0c\u51cf\u5c11\u80fd\u91cf\u635f\u5931\u3002<\/p>\n<h3>\u6cf5\u548c\u538b\u7f29\u673a<\/h3>\n<p>\u6cf5\u548c\u538b\u7f29\u673a\u7528\u4e8e\u4e3a\u6d41\u4f53\u63d0\u4f9b\u80fd\u91cf\uff0c\u4f7f\u5176\u5728\u7cfb\u7edf\u4e2d\u6d41\u52a8\u3002\u6d41\u4f53\u52a8\u529b\u5b66\u7406\u8bba\u5e2e\u52a9\u8bbe\u8ba1\u9ad8\u6548\u7684\u53f6\u8f6e\u548c\u58f3\u4f53\uff0c\u4ee5\u6700\u5c0f\u7684\u80fd\u91cf\u635f\u8017\u5b9e\u73b0\u6240\u9700\u7684\u6d41\u91cf\u548c\u538b\u529b\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u5728\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u7684\u5e94\u7528\u5341\u5206\u5e7f\u6cdb\uff0c\u4ece\u5316\u5b66\u53cd\u5e94\u5668\u5230\u7ba1\u9053\u7cfb\u7edf\uff0c\u518d\u5230\u6362\u70ed\u5668\u548c\u6d41\u4f53\u673a\u68b0\u3002\u7406\u89e3\u548c\u5e94\u7528\u6d41\u4f53\u52a8\u529b\u5b66\u539f\u7406\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u8bbe\u5907\u548c\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u662f\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d41\u4f53\u52a8\u529b\u5b66\u5728\u8fc7\u7a0b\u5de5\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\uff0c\u7814\u7a76\u6d41\u4f53\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u8fd0\u52a8\u548c\u884c\u4e3a\uff0c\u4e3a\u80fd\u6e90\u3001\u5316\u5de5\u7b49\u9886\u57df\u7684\u4f18\u5316\u63d0\u4f9b\u6280\u672f\u652f\u6301\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":"<!-- 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