{"id":752598,"date":"2024-08-27T01:22:54","date_gmt":"2024-08-27T00:22:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=752598"},"modified":"2024-08-27T01:22:54","modified_gmt":"2024-08-27T00:22:54","slug":"%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e6%b6%a6%e6%bb%91%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e6%b6%a6%e6%bb%91%e5%8e%9f%e7%90%86\/","title":{"rendered":"\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u539f\u7406"},"content":{"rendered":"<p class=\"sidekick\">\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u539f\u7406\u8be6\u7ec6\u89e3\u6790\uff0c\u901a\u8fc7\u6db2\u4f53\u8584\u819c\u51cf\u5c11\u6469\u64e6\u548c\u78e8\u635f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u68b0\u7cfb\u7edf\uff0c\u63d0\u9ad8\u6027\u80fd\u548c\u5bff\u547d\uff0c\u4e86\u89e3\u5176\u57fa\u672c\u8fd0\u884c\u548c\u5e94\u7528\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u539f\u7406.png\" alt=\"\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u539f\u7406\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u539f\u7406<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u662f\u673a\u68b0\u5de5\u7a0b\u548c\u70ed\u529b\u5de5\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u9886\u57df\uff0c\u7528\u6765\u51cf\u5c11\u6469\u64e6\u548c\u78e8\u635f\uff0c\u5ef6\u957f\u673a\u68b0\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\u3002\u6211\u4eec\u4eca\u5929\u6765\u63a2\u8ba8\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u7684\u57fa\u672c\u539f\u7406\u3002<\/p>\n<h2>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u901a\u8fc7\u5728\u4e24\u4e2a\u76f8\u5bf9\u8fd0\u52a8\u7684\u8868\u9762\u4e4b\u95f4\u5f62\u6210\u4e00\u5c42\u6d41\u4f53\u819c\u6765\u51cf\u5c11\u6469\u64e6\u3002\u8fd9\u5c42\u6d41\u4f53\u819c\u7531\u6da6\u6ed1\u5242\uff08\u901a\u5e38\u662f\u6cb9\u6216\u6c34\uff09\u5f62\u6210\uff0c\u5b83\u901a\u8fc7\u6d41\u4f53\u52a8\u529b\u6548\u5e94\u4f7f\u4e24\u4e2a\u8868\u9762\u4e0d\u76f4\u63a5\u63a5\u89e6\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u4e86\u6469\u64e6\u529b\u3002<\/p>\n<ul>\n<li>\u6da6\u6ed1\u5242\u5728\u53d7\u63a7\u6d41\u4f53\u52a8\u529b\u4f5c\u7528\u4e0b\u8fdb\u5165\u63a5\u89e6\u533a\u57df\u3002<\/li>\n<li>\u4e24\u4e2a\u8fd0\u52a8\u8868\u9762\u4e4b\u95f4\u7684\u538b\u529b\u5206\u5e03\u4f7f\u6d41\u4f53\u819c\u7ef4\u6301\u4e00\u5b9a\u539a\u5ea6\u3002<\/li>\n<li>\u6469\u64e6\u529b\u7531\u4e8e\u6d41\u4f53\u819c\u7684\u5b58\u5728\u800c\u663e\u8457\u964d\u4f4e\u3002<\/li>\n<\/ul>\n<h2>\u6da6\u6ed1\u5242\u7684\u5c5e\u6027<\/h2>\n<p>\u6709\u6548\u7684\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u4f9d\u8d56\u4e8e\u6da6\u6ed1\u5242\u7684\u51e0\u4e2a\u5173\u952e\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u7c98\u5ea6\uff1a<\/strong>\u7c98\u5ea6\u662f\u51b3\u5b9a\u6da6\u6ed1\u5242\u6d41\u52a8\u548c\u5f62\u6210\u6d41\u4f53\u819c\u80fd\u529b\u7684\u91cd\u8981\u53c2\u6570\u3002\u7c98\u5ea6\u8f83\u9ad8\u7684\u6da6\u6ed1\u5242\u53ef\u4ee5\u63d0\u4f9b\u8f83\u597d\u7684\u819c\u539a\u5ea6\uff0c\u4f46\u4e5f\u9700\u8981\u66f4\u591a\u7684\u52a8\u529b\u6765\u7ef4\u6301\u6d41\u52a8\u3002<\/li>\n<li><strong>\u5bc6\u5ea6\uff1a<\/strong>\u6da6\u6ed1\u5242\u7684\u5bc6\u5ea6\u5f71\u54cd\u5176\u6d41\u52a8\u6027\u548c\u6da6\u6ed1\u6548\u679c\u3002<\/li>\n<li><strong>\u70ed\u5bfc\u7387\u548c\u6bd4\u70ed\u5bb9\uff1a<\/strong>\u8fd9\u4e9b\u6027\u8d28\u5f71\u54cd\u6da6\u6ed1\u5242\u5728\u9ad8\u6e29\u6761\u4ef6\u4e0b\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u6d41\u4f53\u52a8\u529b\u65b9\u7a0b<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u53ef\u4ee5\u901a\u8fc7Reynolds\u65b9\u7a0b\u6765\u63cf\u8ff0\uff0c\u8fd9\u662f\u4e00\u7ec4\u57fa\u4e8e\u6d41\u4f53\u52a8\u529b\u5b66\u548c\u7c98\u6027\u6d41\u4f53\u7406\u8bba\u7684\u5fae\u5206\u65b9\u7a0b\u3002Reynolds\u65b9\u7a0b\u4e3a\u4e8c\u7ef4\u4e0d\u53ef\u538b\u7f29\u6d41\u4f53\u6d41\u52a8\u7684\u7b49\u6e29\u60c5\u51b5\uff1a<\/p>\n<p>\n\\[<br \/>\n\\frac{\\partial}{\\partial x} \\left(\\rho h^3 \\frac{\\partial p}{\\partial x}\\right) + \\frac{\\partial}{\\partial y} \\left(\\rho h^3 \\frac{\\partial p}{\\partial y}\\right) = 6\\mu \\left( \\frac{\\partial (h u_b)}{\\partial x} + \\frac{\\partial (h v_b)}{\\partial y} \\right)<br \/>\n\\]\n<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ol>\n<li>\\(\\rho\\) \u662f\u6da6\u6ed1\u5242\u7684\u5bc6\u5ea6\u3002<\/li>\n<li>h \u662f\u6d41\u4f53\u819c\u7684\u539a\u5ea6\u3002<\/li>\n<li>p \u662f\u538b\u529b\u3002<\/li>\n<li>\\(\\mu\\) \u662f\u6da6\u6ed1\u5242\u7684\u52a8\u529b\u7c98\u5ea6\u3002<\/li>\n<li>u<sub>b<\/sub>, v<sub>b<\/sub> \u662f\u4e24\u4e2a\u8868\u9762\u7684\u901f\u5ea6\u5206\u91cf\u3002<\/li>\n<\/ol>\n<h2>\u5e94\u7528\u9886\u57df<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<ul>\n<li>\u6c7d\u8f66\u53d1\u52a8\u673a\u548c\u53d8\u901f\u7bb1\u7684\u6da6\u6ed1\u7cfb\u7edf\u3002<\/li>\n<li>\u6da1\u8f6e\u673a\u548c\u53d1\u7535\u673a\u4e2d\u7684\u8f74\u627f\u6da6\u6ed1\u3002<\/li>\n<li>\u5927\u578b\u673a\u5e8a\u548c\u5de5\u4e1a\u8bbe\u5907\u4e2d\u7684\u6ed1\u52a8\u90e8\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u901a\u8fc7\u51cf\u5c11\u6469\u64e6\u548c\u78e8\u635f\uff0c\u63d0\u9ad8\u4e86\u673a\u5668\u7684\u6548\u7387\u548c\u5bff\u547d\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u6da6\u6ed1\u5242\u548c\u8bbe\u8ba1\u5408\u7406\u7684\u6da6\u6ed1\u7cfb\u7edf\u662f\u786e\u4fdd\u8bbe\u5907\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u7684\u5173\u952e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d41\u4f53\u52a8\u529b\u6da6\u6ed1\u539f\u7406\u8be6\u7ec6\u89e3\u6790\uff0c\u901a\u8fc7\u6db2\u4f53\u8584\u819c\u51cf\u5c11\u6469\u64e6\u548c\u78e8\u635f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u68b0\u7cfb\u7edf\uff0c\u63d0\u9ad8\u6027\u80fd\u548c\u5bff\u547d\uff0c\u4e86\u89e3\u5176\u57fa\u672c\u8fd0\u884c\u548c\u5e94\u7528\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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