{"id":741178,"date":"2024-08-18T07:30:06","date_gmt":"2024-08-18T06:30:06","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=741178"},"modified":"2024-08-18T07:30:06","modified_gmt":"2024-08-18T06:30:06","slug":"%e7%94%b5%e6%b1%a0%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%83%ad%e5%8a%9b%e5%ad%a6%e5%bb%ba%e6%a8%a1","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%94%b5%e6%b1%a0%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%83%ad%e5%8a%9b%e5%ad%a6%e5%bb%ba%e6%a8%a1\/","title":{"rendered":"\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u5efa\u6a21"},"content":{"rendered":"<p class=\"sidekick\">\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u5efa\u6a21\uff1a\u4e86\u89e3\u7535\u6c60\u6e29\u5ea6\u7ba1\u7406\u7684\u57fa\u7840\uff0c\u5982\u4f55\u901a\u8fc7\u70ed\u529b\u5b66\u5206\u6790\u63d0\u9ad8\u7535\u6c60\u6548\u7387\u4e0e\u5b89\u5168\u6027\uff0c\u4f18\u5316\u7535\u6c60\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u5efa\u6a21.png\" alt=\"\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u5efa\u6a21\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u5efa\u6a21<\/h2>\n<p>\u7535\u6c60\u7cfb\u7edf\u5728\u73b0\u4ee3\u751f\u6d3b\u4e2d\u5360\u6709\u91cd\u8981\u5730\u4f4d\uff0c\u4ece\u79fb\u52a8\u8bbe\u5907\u5230\u7535\u52a8\u8f66\uff0c\u5b83\u4eec\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u76f4\u63a5\u5f71\u54cd\u6211\u4eec\u7684\u65e5\u5e38\u751f\u6d3b\u3002\u70ed\u529b\u5b66\u5efa\u6a21\u662f\u5206\u6790\u548c\u4f18\u5316\u7535\u6c60\u7cfb\u7edf\u70ed\u884c\u4e3a\u7684\u5173\u952e\u5de5\u5177\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u7535\u6c60\u7cfb\u7edf\u70ed\u529b\u5b66\u5efa\u6a21\u7684\u57fa\u672c\u6982\u5ff5\u548c\u65b9\u6cd5\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u70ed\u529b\u5b66\u5efa\u6a21\uff1f<\/h2>\n<p>\u70ed\u529b\u5b66\u5efa\u6a21\u6d89\u53ca\u4f7f\u7528\u6570\u5b66\u65b9\u7a0b\u548c\u7269\u7406\u5b9a\u5f8b\u6765\u63cf\u8ff0\u548c\u9884\u6d4b\u7cfb\u7edf\u5185\u80fd\u91cf\u548c\u7269\u8d28\u7684\u4f20\u9012\u548c\u8f6c\u6362\u3002\u5728\u7535\u6c60\u7cfb\u7edf\u4e2d\uff0c\u4e3b\u8981\u5173\u5fc3\u7684\u662f\u70ed\u751f\u6210\u3001\u6563\u70ed\u548c\u4f20\u70ed\u8fc7\u7a0b\u3002\u8fd9\u4e9b\u8fc7\u7a0b\u5f71\u54cd\u7535\u6c60\u7684\u6548\u7387\u3001\u5bff\u547d\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2>\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u6e90<\/h2>\n<p>\u7535\u6c60\u7cfb\u7edf\u4e2d\u7684\u70ed\u6e90\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<p><u1><\/p>\n<li>\u7535\u5316\u5b66\u53cd\u5e94\uff1a\u5316\u5b66\u80fd\u8f6c\u6362\u4e3a\u7535\u80fd\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u70ed\u91cf\u3002<\/li>\n<li>\u6b27\u59c6\u70ed\uff1a\u7535\u6d41\u901a\u8fc7\u5185\u963b\u65f6\u4ea7\u751f\u7684\u70ed\u91cf\u3002<\/li>\n<li>\u526f\u53cd\u5e94\u70ed\uff1a\u4e00\u4e9b\u4e0d\u7406\u60f3\u6216\u526f\u53cd\u5e94\u4f1a\u4ea7\u751f\u989d\u5916\u7684\u70ed\u91cf\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u6570\u5b66\u6a21\u578b<\/h2>\n<p>\u4e3a\u4e86\u5efa\u7acb\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u6a21\u578b\uff0c\u9700\u8981\u8003\u8651\u80fd\u91cf\u5b88\u6052\u5b9a\u5f8b\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6211\u4eec\u4f7f\u7528\u70ed\u4f20\u5bfc\u65b9\u7a0b\u6765\u63cf\u8ff0\u70ed\u91cf\u5728\u7535\u6c60\u4e2d\u7684\u4f20\u9012\uff1a<\/p>\n<p><i>q1<\/i> + <i>q2<\/i> + <i>q3<\/i> = <i>q<\/i><sub>\u4ea7\u751f<\/sub> + <i>q<\/i><sub>\u50a8\u5b58<\/sub><\/p>\n<p>\u5176\u4e2d\uff0c<i>q1<\/i>\u4ee3\u8868\u7535\u5316\u5b66\u53cd\u5e94\u4ea7\u751f\u7684\u70ed\u91cf\uff0c<i>q2<\/i>\u4ee3\u8868\u6b27\u59c6\u70ed\uff0c<i>q3<\/i>\u4ee3\u8868\u526f\u53cd\u5e94\u70ed\uff0c<i>q<\/i><sub>\u4ea7\u751f<\/sub>\u4ee3\u8868\u603b\u751f\u6210\u7684\u70ed\u91cf\uff0c<i>q<\/i><sub>\u50a8\u5b58<\/sub>\u4ee3\u8868\u50a8\u5b58\u5728\u7535\u6c60\u5185\u90e8\u7684\u70ed\u91cf\u3002\u6839\u636e\u80fd\u91cf\u5b88\u6052\u5b9a\u5f8b\uff0c\u751f\u6210\u70ed\u91cf\u548c\u50a8\u5b58\u70ed\u91cf\u7684\u548c\u7b49\u4e8e\u7cfb\u7edf\u603b\u70ed\u91cf\u3002<\/p>\n<h2>\u70ed\u4f20\u9012\u8fc7\u7a0b<\/h2>\n<p>\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u4f20\u9012\u8fc7\u7a0b\u5305\u62ec\u70ed\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\uff1a<\/p>\n<p><u1><\/p>\n<li>\u70ed\u4f20\u5bfc\uff1a\u70ed\u91cf\u5728\u7535\u6c60\u5185\u90e8\u6750\u6599\u4e2d\u7684\u4f20\u9012\uff0c\u53ef\u4ee5\u901a\u8fc7\u5085\u91cc\u53f6\u5b9a\u5f8b\u63cf\u8ff0\uff1a<\/li>\n<p><\/u1><\/p>\n<p>q = -k * \\frac{dT}{dx}<\/p>\n<p>\u5176\u4e2d\uff0c<i>q<\/i>\u662f\u70ed\u901a\u91cf\uff0c<i>k<\/i>\u662f\u6750\u6599\u7684\u5bfc\u70ed\u7cfb\u6570\uff0c<i>T<\/i>\u662f\u6e29\u5ea6\uff0c<i>x<\/i>\u662f\u8ddd\u79bb\u3002<\/p>\n<p><u1><\/p>\n<li>\u5bf9\u6d41\uff1a\u70ed\u91cf\u901a\u8fc7\u6db2\u4f53\u6216\u6c14\u4f53\u6d41\u52a8\u4f20\u9012\uff0c\u63cf\u8ff0\u4e3a\uff1a<\/li>\n<p><\/u1><\/p>\n<p>q = h * A * (T<sub>s<\/sub> &#8211; T<sub>f<\/sub>)<\/p>\n<p>\u5176\u4e2d\uff0c<i>h<\/i>\u662f\u5bf9\u6d41\u6362\u70ed\u7cfb\u6570\uff0c<i>A<\/i>\u662f\u6362\u70ed\u9762\u79ef\uff0c<i>T<sub>s<\/sub><\/i>\u662f\u8868\u9762\u6e29\u5ea6\uff0c<i>T<sub>f<\/sub><\/i>\u662f\u6d41\u4f53\u6e29\u5ea6\u3002<\/p>\n<p><u1><\/p>\n<li>\u8f90\u5c04\uff1a\u901a\u8fc7\u7535\u78c1\u6ce2\u4f20\u9012\uff0c\u53ef\u4ee5\u4f7f\u7528\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b\u8fd1\u4f3c\u63cf\u8ff0\uff1a<\/li>\n<p><\/u1><\/p>\n<p>q = \u03c3 * \u03b5 * A * (T<sup>4<\/sup><sub>1<\/sub> &#8211; T<sup>4<\/sup><sub>2<\/sub>)<\/p>\n<p>\u5176\u4e2d\uff0c<i>\u03c3<\/i>\u662f\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5e38\u6570\uff0c<i>\u03b5<\/i>\u662f\u6750\u6599\u7684\u53d1\u5c04\u7387\uff0c<i>A<\/i>\u662f\u8f90\u5c04\u9762\u79ef\uff0c<i>T<sub>1<\/sub><\/i>\u548c<i>T<sub>2<\/sub><\/i>\u662f\u4e24\u7269\u4f53\u7684\u6e29\u5ea6\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u70ed\u529b\u5b66\u5efa\u6a21\u5728\u4f18\u5316\u7535\u6c60\u7cfb\u7edf\u6027\u80fd\u548c\u5b89\u5168\u6027\u65b9\u9762\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u901a\u8fc7\u5efa\u7acb\u548c\u5206\u6790\u70ed\u529b\u5b66\u6a21\u578b\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u7535\u6c60\u5185\u90e8\u70ed\u52a8\u529b\u5b66\u884c\u4e3a\uff0c\u8fdb\u800c\u6307\u5bfc\u7535\u6c60\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u7ba1\u7406\u3002\u672a\u6765\uff0c\u968f\u7740\u7535\u6c60\u6280\u672f\u7684\u53d1\u5c55\u548c\u9700\u6c42\u7684\u589e\u52a0\uff0c\u70ed\u529b\u5b66\u5efa\u6a21\u5c06\u53d8\u5f97\u66f4\u52a0\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7535\u6c60\u7cfb\u7edf\u7684\u70ed\u529b\u5b66\u5efa\u6a21\uff1a\u4e86\u89e3\u7535\u6c60\u6e29\u5ea6\u7ba1\u7406\u7684\u57fa\u7840\uff0c\u5982\u4f55\u901a\u8fc7\u70ed\u529b\u5b66\u5206\u6790\u63d0\u9ad8\u7535\u6c60\u6548\u7387\u4e0e\u5b89\u5168\u6027\uff0c\u4f18\u5316\u7535\u6c60\u7cfb\u7edf\u6027\u80fd\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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