{"id":743999,"date":"2024-08-12T07:45:29","date_gmt":"2024-08-12T06:45:29","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743999"},"modified":"2024-08-12T07:45:29","modified_gmt":"2024-08-12T06:45:29","slug":"%e8%92%b8%e5%8f%91%e5%86%b7%e5%8d%b4%e5%99%a8%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\/%e8%92%b8%e5%8f%91%e5%86%b7%e5%8d%b4%e5%99%a8%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92\/","title":{"rendered":"\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012"},"content":{"rendered":"<p class=\"sidekick\">\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012\u662f\u901a\u8fc7\u6db2\u4f53\u84b8\u53d1\u5438\u70ed\u6765\u964d\u4f4e\u6e29\u5ea6\u7684\u8fc7\u7a0b\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7a7a\u8c03\u548c\u5de5\u4e1a\u51b7\u5374\uff0c\u8282\u80fd\u9ad8\u6548\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012.png\" alt=\"\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012<\/h2>\n<p>\u5728\u70ed\u80fd\u5de5\u7a0b\u4e2d\uff0c\u84b8\u53d1\u51b7\u5374\u5668\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u8bbe\u5907\uff0c\u7528\u4e8e\u5c06\u70ed\u91cf\u4ece\u4e00\u4e2a\u5730\u65b9\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u5730\u65b9\uff0c\u4ee5\u8fbe\u5230\u964d\u6e29\u7684\u76ee\u7684\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012\u8fc7\u7a0b\u4ee5\u53ca\u5176\u57fa\u672c\u539f\u7406\u3002<\/p>\n<h2>\u84b8\u53d1\u51b7\u5374\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u84b8\u53d1\u51b7\u5374\u57fa\u4e8e\u4e00\u4e2a\u7b80\u5355\u7684\u7269\u7406\u539f\u7406\uff1a\u5f53\u6db2\u4f53\u84b8\u53d1\u65f6\uff0c\u5b83\u4f1a\u4ece\u5468\u56f4\u73af\u5883\u5438\u6536\u70ed\u91cf\uff0c\u4ece\u800c\u964d\u4f4e\u73af\u5883\u6e29\u5ea6\u3002\u5728\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528\u6c34\u4f5c\u4e3a\u51b7\u5374\u4ecb\u8d28\u3002\u901a\u8fc7\u84b8\u53d1\u6c34\uff0c\u7cfb\u7edf\u53ef\u4ee5\u6709\u6548\u5730\u5c06\u70ed\u91cf\u4ece\u7a7a\u6c14\u6216\u5176\u4ed6\u7269\u8d28\u4e2d\u79fb\u9664\u3002<\/p>\n<h2>\u70ed\u4f20\u9012\u7684\u4e09\u4e2a\u4e3b\u8981\u8fc7\u7a0b<\/h2>\n<p><u1><\/p>\n<li>\u4f20\u5bfc\uff08Conduction\uff09<\/li>\n<li>\u5bf9\u6d41\uff08Convection\uff09<\/li>\n<li>\u8f90\u5c04\uff08Radiation\uff09<\/li>\n<p><\/u1><\/p>\n<p>\u5728\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\uff0c\u70ed\u4f20\u9012\u4e3b\u8981\u901a\u8fc7\u4f20\u5bfc\u548c\u5bf9\u6d41\u4e24\u79cd\u65b9\u5f0f\u8fdb\u884c\u3002<\/p>\n<h2>\u4f20\u5bfc<\/h2>\n<p>\u4f20\u5bfc\u662f\u6307\u70ed\u91cf\u901a\u8fc7\u7269\u8d28\u7684\u5185\u90e8\u4ece\u9ad8\u6e29\u533a\u57df\u4f20\u9012\u5230\u4f4e\u6e29\u533a\u57df\u7684\u8fc7\u7a0b\u3002\u5728\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\uff0c\u6c34\u4e0e\u7a7a\u6c14\u63a5\u89e6\u65f6\uff0c\u70ed\u91cf\u901a\u8fc7\u6c34\u5206\u5b50\u4e4b\u95f4\u7684\u4f20\u5bfc\u4f5c\u7528\u4f20\u9012\u51fa\u53bb\u3002\u4f20\u5bfc\u8fc7\u7a0b\u7684\u6548\u7387\u53ef\u4ee5\u901a\u8fc7\u70ed\u4f20\u5bfc\u7387\u516c\u5f0f\u63cf\u8ff0\uff1a<\/p>\n<p><i>q<\/i> = <i>k<\/i> * <i>A<\/i> * (<i>T<sub>hot<\/sub><\/i> &#8211; <i>T<sub>cold<\/sub><\/i>) \/ <i>d<\/i><\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li><i>q<\/i>\uff1a\u70ed\u91cf\u4f20\u9012\u7387\uff08\u5355\u4f4d\uff1a\u74e6\u7279\uff09<\/li>\n<li><i>k<\/i>\uff1a\u6750\u6599\u7684\u5bfc\u70ed\u7cfb\u6570\uff08\u5355\u4f4d\uff1a\u74e6\u7279\/\u7c73\u2022\u5f00\u5c14\u6587\uff09<\/li>\n<li><i>A<\/i>\uff1a\u4f20\u70ed\u9762\u79ef\uff08\u5355\u4f4d\uff1a\u5e73\u65b9\u7c73\uff09<\/li>\n<li><i>T<sub>hot<\/sub><\/i> \u548c <i>T<sub>cold<\/sub><\/i>\uff1a\u9ad8\u6e29\u548c\u4f4e\u6e29\u533a\u57df\u7684\u6e29\u5ea6\uff08\u5355\u4f4d\uff1a\u5f00\u5c14\u6587\uff09<\/li>\n<li><i>d<\/i>\uff1a\u6750\u6599\u7684\u539a\u5ea6\uff08\u5355\u4f4d\uff1a\u7c73\uff09<\/li>\n<p><\/o1><\/p>\n<h2>\u5bf9\u6d41<\/h2>\n<p>\u5bf9\u6d41\u662f\u6307\u901a\u8fc7\u6d41\u4f53\uff08\u6db2\u4f53\u6216\u6c14\u4f53\uff09\u7684\u8fd0\u52a8\uff0c\u70ed\u91cf\u4ece\u4e00\u4e2a\u533a\u57df\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u533a\u57df\u3002\u5728\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\uff0c\u7a7a\u6c14\u5728\u6c34\u8868\u9762\u6d41\u52a8\uff0c\u4e0d\u4ec5\u5e26\u8d70\u6c34\u84b8\u53d1\u6240\u5438\u6536\u7684\u70ed\u91cf\uff0c\u8fd8\u5c06\u70ed\u91cf\u8fdb\u4e00\u6b65\u6563\u53d1\u5230\u5468\u56f4\u73af\u5883\u4e2d\u3002\u5bf9\u6d41\u7684\u70ed\u4f20\u9012\u53ef\u4ee5\u901a\u8fc7\u725b\u987f\u51b7\u5374\u5b9a\u5f8b\u6765\u63cf\u8ff0\uff1a<\/p>\n<p><i>q<\/i> = <i>h<\/i> * <i>A<\/i> * (<i>T<sub>surface<\/sub><\/i> &#8211; <i>T<sub>fluid<\/sub><\/i>)<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li><i>q<\/i>\uff1a\u70ed\u91cf\u4f20\u9012\u7387\uff08\u5355\u4f4d\uff1a\u74e6\u7279\uff09<\/li>\n<li><i>h<\/i>\uff1a\u5bf9\u6d41\u4f20\u70ed\u7cfb\u6570\uff08\u5355\u4f4d\uff1a\u74e6\u7279\/\u5e73\u65b9\u7c73\u2022\u5f00\u5c14\u6587\uff09<\/li>\n<li><i>A<\/i>\uff1a\u4f20\u70ed\u9762\u79ef\uff08\u5355\u4f4d\uff1a\u5e73\u65b9\u7c73\uff09<\/li>\n<li><i>T<sub>surface<\/sub><\/i> \u548c <i>T<sub>fluid<\/sub><\/i>\uff1a\u8868\u9762\u548c\u6d41\u4f53\u7684\u6e29\u5ea6\uff08\u5355\u4f4d\uff1a\u5f00\u5c14\u6587\uff09<\/li>\n<p><\/o1><\/p>\n<h2>\u84b8\u53d1\u6f5c\u70ed<\/h2>\n<p>\u84b8\u53d1\u51b7\u5374\u4e2d\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\u662f\u84b8\u53d1\u6f5c\u70ed\uff0c\u5373\u5355\u4f4d\u8d28\u91cf\u7684\u6db2\u4f53\u5b8c\u5168\u84b8\u53d1\u6210\u6c14\u4f53\u6240\u9700\u8981\u7684\u70ed\u91cf\u3002\u5bf9\u4e8e\u6c34\u800c\u8a00\uff0c\u84b8\u53d1\u6f5c\u70ed\u5927\u7ea6\u662f2260\u5343\u7126\/\u5343\u514b\u3002\u5728\u84b8\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6c34\u5206\u5b50\u4ece\u6db2\u6001\u53d8\u4e3a\u6c14\u6001\uff0c\u4f1a\u5438\u6536\u5468\u56f4\u7684\u70ed\u91cf\uff0c\u4ece\u800c\u5b9e\u73b0\u51b7\u5374\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012\u4e3b\u8981\u901a\u8fc7\u4f20\u5bfc\u548c\u5bf9\u6d41\u4e24\u79cd\u65b9\u5f0f\u8fdb\u884c\u3002\u6c34\u901a\u8fc7\u84b8\u53d1\u5438\u6536\u5927\u91cf\u70ed\u91cf\uff0c\u4f7f\u73af\u5883\u5f97\u4ee5\u964d\u6e29\u3002\u4e86\u89e3\u8fd9\u4e9b\u57fa\u672c\u7684\u70ed\u4f20\u9012\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u8bbe\u8ba1\u548c\u4f18\u5316\u84b8\u53d1\u51b7\u5374\u7cfb\u7edf\uff0c\u4ee5\u8fbe\u5230\u9ad8\u6548\u8282\u80fd\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u84b8\u53d1\u51b7\u5374\u5668\u4e2d\u7684\u70ed\u4f20\u9012\u662f\u901a\u8fc7\u6db2\u4f53\u84b8\u53d1\u5438\u70ed\u6765\u964d\u4f4e\u6e29\u5ea6\u7684\u8fc7\u7a0b\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7a7a\u8c03\u548c\u5de5\u4e1a\u51b7\u5374\uff0c\u8282\u80fd\u9ad8\u6548\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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