{"id":740449,"date":"2024-09-03T05:37:56","date_gmt":"2024-09-03T04:37:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=740449"},"modified":"2024-09-03T05:37:56","modified_gmt":"2024-09-03T04:37:56","slug":"%e5%88%b6%e8%8d%af%e5%88%b6%e9%80%a0%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e6%b5%81%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%88%b6%e8%8d%af%e5%88%b6%e9%80%a0%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e6%b5%81%e5%8a%a8\/","title":{"rendered":"\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8"},"content":{"rendered":"<p class=\"sidekick\">\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8\uff1a\u4e86\u89e3\u5236\u836f\u8fc7\u7a0b\u4e2d\u7684\u6d41\u4f53\u529b\u5b66\u539f\u7406\uff0c\u5305\u62ec\u6d41\u4f53\u7c7b\u578b\u3001\u6d41\u52a8\u63a7\u5236\u6280\u672f\uff0c\u4ee5\u53ca\u5982\u4f55\u4f18\u5316\u6548\u7387\u548c\u4fdd\u8bc1\u836f\u7269\u8d28\u91cf\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8.png\" alt=\"\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8<\/h2>\n<p>\u5728\u5236\u836f\u5236\u9020\u8fc7\u7a0b\u4e2d\uff0c\u6d41\u4f53\u6d41\u52a8\u662f\u4e00\u4e2a\u5173\u952e\u7684\u73af\u8282\uff0c\u5176\u8bbe\u8ba1\u548c\u4f18\u5316\u76f4\u63a5\u5f71\u54cd\u836f\u54c1\u7684\u8d28\u91cf\u548c\u751f\u4ea7\u6548\u7387\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8\uff0c\u5305\u62ec\u5176\u57fa\u672c\u539f\u7406\u3001\u5e38\u89c1\u6311\u6218\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n<h2>\u6d41\u4f53\u6d41\u52a8\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u6d41\u4f53\u6d41\u52a8\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u57fa\u672c\u7c7b\u578b\uff1a\u5c42\u6d41\u548c\u6e4d\u6d41\u3002<\/p>\n<p><u1><\/p>\n<li>\u5c42\u6d41\uff1a\u5c42\u6d41\u53c8\u79f0\u4e3a\u7a33\u5b9a\u6d41\u52a8\uff0c\u5e38\u53d1\u751f\u5728\u4f4e\u6d41\u901f\u548c\u9ad8\u7c98\u5ea6\u7684\u6761\u4ef6\u4e0b\u3002\u5728\u5c42\u6d41\u4e2d\uff0c\u6d41\u4f53\u5206\u5b50\u6cbf\u7740\u5e73\u884c\u7684\u5c42\u9762\u8fd0\u52a8\uff0c\u4e0d\u4f1a\u5f7c\u6b64\u4ea4\u9519\u3002<\/li>\n<li>\u6e4d\u6d41\uff1a\u6e4d\u6d41\u5219\u662f\u5728\u9ad8\u6d41\u901f\u548c\u4f4e\u7c98\u5ea6\u6761\u4ef6\u4e0b\u51fa\u73b0\uff0c\u5176\u7279\u70b9\u662f\u6d41\u4f53\u5206\u5b50\u4e4b\u95f4\u53d1\u751f\u590d\u6742\u800c\u4e0d\u89c4\u5219\u7684\u8fd0\u52a8\u3002\u8fd9\u79cd\u6d41\u52a8\u65b9\u5f0f\u4f1a\u4ea7\u751f\u6da1\u6d41\u548c\u6df7\u5408\u73b0\u8c61\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u6d41\u4f53\u529b\u5b66\u65b9\u7a0b<\/h2>\n<p>\u6d41\u4f53\u6d41\u52a8\u7684\u63cf\u8ff0\u5e38\u901a\u8fc7\u4f2f\u52aa\u5229\u65b9\u7a0b\u548c\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b\u3002<\/p>\n<p><u1><\/p>\n<li>\u4f2f\u52aa\u5229\u65b9\u7a0b\uff1a\u8fd9\u4e2a\u65b9\u7a0b\u8868\u660e\u4e86\u6d41\u4f53\u80fd\u91cf\u7684\u5b88\u6052\uff0c\u53ef\u4ee5\u5199\u4f5c\uff1a<\/li>\n<p><\/u1><\/p>\n<p>\\[ P + \\frac{1}{2} \\rho v^2 + \\rho gh = \u5e38\u6570 \\]\n<p><u1><\/p>\n<li>\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b\uff1a\u8fd9\u4e2a\u65b9\u7a0b\u7ec4\u7528\u4e8e\u63cf\u8ff0\u7c98\u6027\u6d41\u4f53\u7684\u8fd0\u52a8\uff0c\u8868\u8fbe\u5f0f\u4e3a\uff1a<\/li>\n<p><\/u1><\/p>\n<p>\\[ \\rho \\left( \\frac{\\partial v}{\\partial t} + v \\cdot \\nabla v \\right) = -\\nabla P + \\mu \\nabla^2 v + F \\]\n<p>\u5176\u4e2d\uff0c\\(P\\) \u662f\u538b\u529b\uff0c\\(\\rho\\) \u662f\u5bc6\u5ea6\uff0c\\(v\\) \u662f\u901f\u5ea6\uff0c\\(\\mu\\) \u662f\u7c98\u5ea6\uff0c\\(t\\) \u662f\u65f6\u95f4\uff0c\\(F\\) \u662f\u5916\u529b\u3002<\/p>\n<h2>\u5236\u836f\u5236\u9020\u4e2d\u7684\u6311\u6218<\/h2>\n<p>\u5236\u836f\u8fc7\u7a0b\u4e2d\uff0c\u6d41\u4f53\u6d41\u52a8\u9762\u4e34\u8bb8\u591a\u72ec\u7279\u7684\u6311\u6218\uff1a<\/p>\n<p><o1><\/p>\n<li>\u539f\u6750\u6599\u7684\u591a\u6837\u6027\uff1a\u4e0d\u540c\u836f\u54c1\u7684\u539f\u6750\u6599\uff08\u5305\u62ec\u6db2\u4f53\u548c\u56fa\u4f53\uff09\u5177\u6709\u4e0d\u540c\u7684\u6d41\u52a8\u5c5e\u6027\uff0c\u9700\u8981\u7279\u5b9a\u7684\u6d41\u4f53\u529b\u5b66\u8bbe\u8ba1\u3002<\/li>\n<li>\u6d01\u51c0\u5ea6\u8981\u6c42\uff1a\u5236\u836f\u9886\u57df\u5bf9\u6d01\u51c0\u5ea6\u6709\u4e25\u683c\u8981\u6c42\uff0c\u6d41\u4f53\u7ba1\u9053\u548c\u5bb9\u5668\u5fc5\u987b\u5b9a\u671f\u6e05\u6d01\uff0c\u907f\u514d\u6c61\u67d3\u3002<\/li>\n<li>\u6e29\u5ea6\u63a7\u5236\uff1a\u8bb8\u591a\u836f\u54c1\u5728\u7279\u5b9a\u6e29\u5ea6\u4e0b\u624d\u80fd\u4fdd\u6301\u7a33\u5b9a\uff0c\u56e0\u6b64\u6d41\u4f53\u6d41\u52a8\u7cfb\u7edf\u9700\u914d\u5907\u6709\u6548\u7684\u6e29\u63a7\u673a\u5236\u3002<\/li>\n<p><\/o1><\/p>\n<h2>\u5b9e\u9645\u5e94\u7528<\/h2>\n<p>\u5728\u5b9e\u9645\u5236\u836f\u5236\u9020\u4e2d\uff0c\u6d41\u4f53\u6d41\u52a8\u6280\u672f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4ee5\u4e0b\u8fc7\u7a0b\uff1a<\/p>\n<p><u1><\/p>\n<li>\u6df7\u5408\u548c\u6405\u62cc\uff1a\u901a\u8fc7\u63a7\u5236\u6d41\u4f53\u6d41\u52a8\uff0c\u5b9e\u73b0\u5404\u79cd\u539f\u6750\u6599\u7684\u5747\u5300\u6df7\u5408\uff0c\u63d0\u9ad8\u836f\u54c1\u8d28\u91cf\u3002<\/li>\n<li>\u4f20\u9001\u548c\u8f93\u9001\uff1a\u5229\u7528\u6cf5\u548c\u7ba1\u9053\u7cfb\u7edf\uff0c\u5c06\u6db2\u4f53\u548c\u6d46\u72b6\u7269\u4ece\u4e00\u4e2a\u6bb5\u843d\u8f93\u9001\u81f3\u53e6\u4e00\u4e2a\u6bb5\u843d\uff0c\u5b9e\u73b0\u9ad8\u6548\u751f\u4ea7\u3002<\/li>\n<li>\u8fc7\u6ee4\u548c\u5206\u79bb\uff1a\u901a\u8fc7\u6ee4\u5668\u548c\u79bb\u5fc3\u8bbe\u5907\u7b49\u5229\u7528\u6d41\u4f53\u529b\u5b66\u539f\u7406\uff0c\u8fbe\u5230\u7eaf\u5316\u548c\u5206\u79bb\u76ee\u6807\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6d41\u4f53\u6d41\u52a8\u5728\u5236\u836f\u5236\u9020\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002\u4ece\u57fa\u672c\u539f\u7406\u5230\u5b9e\u9645\u5e94\u7528\uff0c\u5404\u4e2a\u73af\u8282\u90fd\u9700\u8981\u7cbe\u786e\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\uff0c\u4ee5\u4fdd\u8bc1\u836f\u54c1\u7684\u8d28\u91cf\u548c\u751f\u4ea7\u6548\u7387\u3002\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u6d41\u4f53\u6d41\u52a8\u7684\u7814\u7a76\u548c\u5e94\u7528\u5c06\u8fdb\u4e00\u6b65\u63d0\u5347\u5236\u836f\u5de5\u4e1a\u7684\u6c34\u5e73\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5236\u836f\u5236\u9020\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8\uff1a\u4e86\u89e3\u5236\u836f\u8fc7\u7a0b\u4e2d\u7684\u6d41\u4f53\u529b\u5b66\u539f\u7406\uff0c\u5305\u62ec\u6d41\u4f53\u7c7b\u578b\u3001\u6d41\u52a8\u63a7\u5236\u6280\u672f\uff0c\u4ee5\u53ca\u5982\u4f55\u4f18\u5316\u6548\u7387\u548c\u4fdd\u8bc1\u836f\u7269\u8d28\u91cf\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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