{"id":726636,"date":"2024-11-24T08:59:38","date_gmt":"2024-11-24T07:59:38","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=726636"},"modified":"2024-11-24T08:59:38","modified_gmt":"2024-11-24T07:59:38","slug":"%e7%94%b5%e5%8c%96%e5%ad%a6%e8%bf%87%e7%a8%8b%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%94%b5%e5%8c%96%e5%ad%a6%e8%bf%87%e7%a8%8b%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92\/","title":{"rendered":"\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012"},"content":{"rendered":"<p class=\"sidekick\">\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012\uff1a\u6df1\u5165\u63a2\u8ba8\u7535\u5316\u5b66\u53cd\u5e94\u4e2d\u70ed\u91cf\u7684\u4ea7\u751f\u4e0e\u4f20\u9012\u673a\u5236\uff0c\u4ee5\u53ca\u5176\u5728\u63d0\u9ad8\u80fd\u6e90\u6548\u7387\u548c\u8bbe\u5907\u6027\u80fd\u65b9\u9762\u7684\u91cd\u8981\u5e94\u7528\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012.png\" alt=\"\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012<\/h2>\n<p>\u5728\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\uff0c\u70ed\u4f20\u9012\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u65b9\u9762\u3002\u7535\u5316\u5b66\u7cfb\u7edf\u901a\u5e38\u6d89\u53ca\u5230\u7535\u80fd\u548c\u5316\u5b66\u80fd\u7684\u8f6c\u6362\uff0c\u8fd9\u79cd\u8f6c\u6362\u8fc7\u7a0b\u4f1a\u4f34\u968f\u70ed\u91cf\u7684\u4ea7\u751f\u548c\u4f20\u9012\u3002\u7406\u89e3\u70ed\u4f20\u9012\u673a\u5236\u5bf9\u4e8e\u63d0\u9ad8\u7535\u5316\u5b66\u7cfb\u7edf\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<h2>\u70ed\u4f20\u9012\u7684\u57fa\u672c\u5f62\u5f0f<\/h2>\n<p>\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012\u4e3b\u8981\u6709\u4e09\u79cd\u5f62\u5f0f\uff1a\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u3002<\/p>\n<p><u1><\/p>\n<li>\n<p><b>\u4f20\u5bfc\uff1a<\/b> \u70ed\u4f20\u5bfc\u662f\u6307\u70ed\u91cf\u901a\u8fc7\u7269\u8d28\u4ece\u9ad8\u6e29\u533a\u57df\u4f20\u9012\u5230\u4f4e\u6e29\u533a\u57df\u3002\u5728\u7535\u5316\u5b66\u7cfb\u7edf\u4e2d\uff0c\u7535\u6781\u548c\u7535\u89e3\u8d28\u7684\u6750\u6599\u4f1a\u5f71\u54cd\u70ed\u4f20\u5bfc\u7684\u6548\u7387\u3002<\/p>\n<\/li>\n<li>\n<p><b>\u5bf9\u6d41\uff1a<\/b> \u70ed\u5bf9\u6d41\u662f\u6307\u901a\u8fc7\u6db2\u4f53\u6216\u6c14\u4f53\u7684\u6d41\u52a8\u6765\u4f20\u9012\u70ed\u91cf\u3002\u4f8b\u5982\uff0c\u5728\u7535\u89e3\u8d28\u6eb6\u6db2\u4e2d\uff0c\u70ed\u5bf9\u6d41\u53ef\u4ee5\u901a\u8fc7\u81ea\u7136\u5bf9\u6d41\u548c\u5f3a\u5236\u5bf9\u6d41\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<\/li>\n<li>\n<p><b>\u8f90\u5c04\uff1a<\/b> \u70ed\u8f90\u5c04\u662f\u6307\u901a\u8fc7\u7535\u78c1\u6ce2\u7684\u5f62\u5f0f\u4f20\u9012\u70ed\u91cf\u3002\u867d\u7136\u5728\u7535\u5316\u5b66\u7cfb\u7edf\u4e2d\u8f90\u5c04\u7684\u4f5c\u7528\u4e0d\u5982\u4f20\u5bfc\u548c\u5bf9\u6d41\u660e\u663e\uff0c\u4f46\u5728\u4e00\u4e9b\u9ad8\u6e29\u6216\u7279\u6b8a\u73af\u5883\u4e0b\u4e5f\u9700\u8981\u8003\u8651\u3002<\/p>\n<\/li>\n<p><\/u1><\/p>\n<h2>\u70ed\u91cf\u7684\u4ea7\u751f\u4e0e\u5e73\u8861<\/h2>\n<p>\u5728\u7535\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u4e2d\uff0c\u70ed\u91cf\u7684\u4ea7\u751f\u548c\u6d88\u6563\u662f\u5e73\u8861\u7684\u4e24\u4e2a\u65b9\u9762\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u70ed\u5e73\u8861\u65b9\u7a0b\u6765\u8868\u793a\uff1a<\/p>\n<p>\n  <i>\u4ea7\u751f\u7684\u70ed\u91cf = \u53cd\u5e94\u70ed + \u9644\u52a0\u53d1\u70ed<\/i>\n<\/p>\n<p>\u82e5\u4ee5\u7b26\u53f7\u8868\u793a\uff0c\u4e0a\u8ff0\u65b9\u7a0b\u53ef\u5199\u4e3a\uff1a<\/p>\n<p>\n  <span>Q<sub>\u603b<\/sub> = Q<sub>\u5316\u5b66<\/sub> + Q<sub>\u9644\u52a0<\/sub><\/span>\n<\/p>\n<p>\u8fd9\u91cc\uff0c<b>Q<sub>\u603b<\/sub><\/b>\u662f\u603b\u70ed\u91cf\uff0c<b>Q<sub>\u5316\u5b66<\/sub><\/b>\u662f\u5316\u5b66\u53cd\u5e94\u70ed\uff0c<b>Q<sub>\u9644\u52a0<\/sub><\/b>\u662f\u9644\u52a0\u7684\u7535\u70ed\u3002<\/p>\n<h2>\u70ed\u4f20\u9012\u6a21\u578b\u4e0e\u8ba1\u7b97<\/h2>\n<p>\u4e3a\u4e86\u51c6\u786e\u5206\u6790\u7535\u5316\u5b66\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u9012\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u57fa\u672c\u7684\u6570\u5b66\u6a21\u578b\u548c\u65b9\u7a0b\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u7528\u7684\u70ed\u4f20\u5bfc\u65b9\u7a0b\uff1a<\/p>\n<p>\n  <b>\u5085\u7acb\u53f6\u70ed\u4f20\u5bfc\u65b9\u7a0b\uff1a<\/b>\n<\/p>\n<p>\\[<br \/>\nq = -k \\frac{dT}{dx}<br \/>\n\\]\n<p>\u8fd9\u91cc\uff0c<b>q<\/b>\u662f\u70ed\u6d41\u5bc6\u5ea6\uff0c<b>k<\/b>\u662f\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff0c<b>\\frac{dT}{dx}<\/b>\u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n<p>\u5bf9\u4e8e\u5bf9\u6d41\u4f20\u70ed\uff0c\u53ef\u4ee5\u4f7f\u7528\u725b\u987f\u51b7\u5374\u5b9a\u5f8b\uff1a<\/p>\n<p>\\[<br \/>\nQ = hA(T_s &#8211; T_f)<br \/>\n\\]\n<p>\u5176\u4e2d\uff0c<b>Q<\/b>\u662f\u4f20\u9012\u7684\u70ed\u91cf\uff0c<b>h<\/b>\u662f\u4f20\u70ed\u7cfb\u6570\uff0c<b>A<\/b>\u662f\u4f20\u70ed\u9762\u79ef\uff0c<b>T_s<\/b>\u662f\u7269\u4f53\u8868\u9762\u6e29\u5ea6\uff0c<b>T_f<\/b>\u662f\u6d41\u4f53\u6e29\u5ea6\u3002<\/p>\n<h2>\u5b9e\u9645\u5e94\u7528<\/h2>\n<p>\u70ed\u4f20\u9012\u5728\u7535\u5316\u5b66\u7cfb\u7edf\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\u3002\u4f8b\u5982\uff0c\u5728\u7535\u6c60\u4e2d\uff0c\u70ed\u7ba1\u7406\u7cfb\u7edf\u7684\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\u3002\u6709\u6548\u7684\u70ed\u7ba1\u7406\u80fd\u591f\u9632\u6b62\u7535\u6c60\u8fc7\u70ed\uff0c\u5ef6\u957f\u4f7f\u7528\u5bff\u547d\u3002\u540c\u65f6\uff0c\u5728\u71c3\u6599\u7535\u6c60\u3001\u7535\u89e3\u69fd\u7b49\u88c5\u7f6e\u4e2d\uff0c\u70ed\u4f20\u9012\u7684\u4f18\u5316\u4e5f\u540c\u6837\u91cd\u8981\u3002<\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u7406\u89e3\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012\u673a\u5236\uff0c\u4e0d\u4ec5\u6709\u52a9\u4e8e\u63d0\u9ad8\u73b0\u6709\u6280\u672f\u7684\u6548\u7387\uff0c\u8fd8\u80fd\u63a8\u52a8\u65b0\u6280\u672f\u7684\u53d1\u5c55\u3002\u5728\u672a\u6765\uff0c\u968f\u7740\u7535\u5316\u5b66\u5e94\u7528\u7684\u65e5\u76ca\u666e\u53ca\uff0c\u70ed\u4f20\u9012\u7814\u7a76\u5c06\u6210\u4e3a\u63a8\u52a8\u79d1\u6280\u8fdb\u6b65\u7684\u91cd\u8981\u529b\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u70ed\u4f20\u9012\uff1a\u6df1\u5165\u63a2\u8ba8\u7535\u5316\u5b66\u53cd\u5e94\u4e2d\u70ed\u91cf\u7684\u4ea7\u751f\u4e0e\u4f20\u9012\u673a\u5236\uff0c\u4ee5\u53ca\u5176\u5728\u63d0\u9ad8\u80fd\u6e90\u6548\u7387\u548c\u8bbe\u5907\u6027\u80fd\u65b9\u9762\u7684\u91cd\u8981\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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