{"id":743923,"date":"2024-09-30T20:34:59","date_gmt":"2024-09-30T19:34:59","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743923"},"modified":"2024-09-30T20:34:59","modified_gmt":"2024-09-30T19:34:59","slug":"%e9%a3%8e%e5%8a%9b%e6%b6%a1%e8%bd%ae%e6%9c%ba%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e5%af%bc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e9%a3%8e%e5%8a%9b%e6%b6%a1%e8%bd%ae%e6%9c%ba%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e5%af%bc\/","title":{"rendered":"\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc"},"content":{"rendered":"<p class=\"sidekick\">\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc\uff1a\u4e86\u89e3\u70ed\u4f20\u5bfc\u5728\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u5173\u952e\u89d2\u8272\uff0c\u4ee5\u53ca\u5982\u4f55\u5f71\u54cd\u5176\u6548\u7387\u548c\u6027\u80fd\uff0c\u4f18\u5316\u80fd\u6e90\u8f6c\u6362\u8fc7\u7a0b\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc.png\" alt=\"\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc<\/h2>\n<p>\u98ce\u529b\u6da1\u8f6e\u673a\u662f\u4e00\u79cd\u5c06\u98ce\u80fd\u8f6c\u5316\u4e3a\u7535\u80fd\u7684\u88c5\u7f6e\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u53ef\u518d\u751f\u80fd\u6e90\u9886\u57df\u3002\u5728\u98ce\u529b\u6da1\u8f6e\u673a\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u70ed\u4f20\u5bfc\uff08heat conduction\uff09\u662f\u4e00\u4e2a\u4e0d\u53ef\u5ffd\u89c6\u7684\u73b0\u8c61\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u6da1\u8f6e\u673a\u7684\u6027\u80fd\u3001\u6548\u7387\u548c\u5bff\u547d\u3002<\/p>\n<h2>\u70ed\u4f20\u5bfc\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u70ed\u4f20\u5bfc\u662f\u70ed\u91cf\u901a\u8fc7\u7269\u4f53\u4ece\u9ad8\u6e29\u533a\u57df\u4f20\u9012\u5230\u4f4e\u6e29\u533a\u57df\u7684\u8fc7\u7a0b\u3002\u6839\u636e\u5085\u91cc\u53f6\u5b9a\u5f8b\uff08Fourier&#8217;s Law\uff09\uff0c\u70ed\u4f20\u5bfc\u7684\u70ed\u6d41\u5bc6\u5ea6 \\( q \\) \u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n<p>\n\\[ q = -k \\cdot \\nabla T \\]\n<\/p>\n<p>\u5176\u4e2d\uff0c\\( k \\) \u662f\u6750\u6599\u7684\u5bfc\u70ed\u7cfb\u6570\uff0c\u5355\u4f4d\u662f W\/m\u00b7K\uff0c\\( \\nabla T \\) \u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n<h2>\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u6e90<\/h2>\n<p>\u5728\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\uff0c\u70ed\u6e90\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a<\/p>\n<p><u1><\/p>\n<li>\u53d1\u7535\u673a\uff1a\u53d1\u7535\u673a\u5728\u5de5\u4f5c\u65f6\u4f1a\u4ea7\u751f\u7535\u963b\u70ed\u3002<\/li>\n<li>\u9f7f\u8f6e\u7bb1\uff1a\u9f7f\u8f6e\u7bb1\u7684\u6469\u64e6\u4f1a\u4ea7\u751f\u70ed\u91cf\u3002<\/li>\n<li>\u7535\u5b50\u8bbe\u5907\uff1a\u63a7\u5236\u548c\u4f20\u611f\u8bbe\u5907\u4f1a\u4ea7\u751f\u7535\u5b50\u70ed\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u70ed\u4f20\u5bfc\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u6709\u6548\u7684\u70ed\u4f20\u5bfc\u5bf9\u4e8e\u98ce\u529b\u6da1\u8f6e\u673a\u7684\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u4e3b\u8981\u539f\u56e0\u6709\uff1a<\/p>\n<p><u1><\/p>\n<li><b>\u9632\u6b62\u8fc7\u70ed<\/b>\uff1a\u5982\u679c\u90e8\u4ef6\u6e29\u5ea6\u8fc7\u9ad8\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6750\u6599\u635f\u574f\u6216\u7cfb\u7edf\u6545\u969c\u3002<\/li>\n<li><b>\u63d0\u9ad8\u6548\u7387<\/b>\uff1a\u901a\u8fc7\u6709\u6548\u7684\u70ed\u4f20\u5bfc\uff0c\u80fd\u91cf\u635f\u5931\u964d\u4f4e\uff0c\u8f6c\u5316\u6548\u7387\u66f4\u9ad8\u3002<\/li>\n<li><b>\u5ef6\u957f\u8bbe\u5907\u5bff\u547d<\/b>\uff1a\u70ed\u91cf\u7ba1\u7406\u53ef\u4ee5\u964d\u4f4e\u75b2\u52b3\u548c\u78e8\u635f\uff0c\u5ef6\u957f\u8bbe\u5907\u5bff\u547d\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u70ed\u4f20\u5bfc\u7684\u6750\u6599\u9009\u62e9<\/h2>\n<p>\u5728\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\uff0c\u9009\u62e9\u9002\u5f53\u7684\u6750\u6599\u4ee5\u4f18\u5316\u70ed\u4f20\u5bfc\u662f\u8bbe\u8ba1\u7684\u91cd\u8981\u90e8\u5206\u3002\u5e38\u7528\u7684\u9ad8\u5bfc\u70ed\u6750\u6599\u5305\u62ec\uff1a<\/p>\n<p><u1><\/p>\n<li>\u94dc\uff1a\u5bfc\u70ed\u7cfb\u6570\u7ea6\u4e3a 400 W\/m\u00b7K<\/li>\n<li>\u94dd\uff1a\u5bfc\u70ed\u7cfb\u6570\u7ea6\u4e3a 237 W\/m\u00b7K<\/li>\n<li>\u94dd\u5408\u91d1\u548c\u94dc\u5408\u91d1\uff1a\u5177\u6709\u826f\u597d\u7684\u5bfc\u70ed\u6027\u80fd\u548c\u673a\u68b0\u5f3a\u5ea6<\/li>\n<p><\/u1><\/p>\n<h2>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u70ed\u4f20\u5bfc\u7ba1\u7406<\/h2>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5de5\u7a0b\u5e08\u4eec\u91c7\u7528\u591a\u79cd\u65b9\u6cd5\u7ba1\u7406\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc\uff1a<\/p>\n<p><u1><\/p>\n<li>\u70ed\u4ea4\u6362\u5668\uff1a\u5229\u7528\u70ed\u4ea4\u6362\u5668\u6765\u4f20\u9012\u548c\u6563\u70ed\u3002<\/li>\n<li>\u51b7\u5374\u7cfb\u7edf\uff1a\u5f15\u5165\u98ce\u6247\u6216\u6db2\u51b7\u7cfb\u7edf\u8fdb\u884c\u4e3b\u52a8\u51b7\u5374\u3002<\/li>\n<li>\u7edd\u70ed\u6750\u6599\uff1a\u5728\u9ad8\u6e29\u90e8\u4ef6\u4e4b\u95f4\u4f7f\u7528\u7edd\u70ed\u6750\u6599\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc\u662f\u786e\u4fdd\u8bbe\u5907\u9ad8\u6548\u3001\u5b89\u5168\u3001\u7a33\u5b9a\u8fd0\u884c\u7684\u91cd\u8981\u56e0\u7d20\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u6750\u6599\u548c\u8bbe\u8ba1\u6709\u6548\u7684\u51b7\u5374\u7cfb\u7edf\uff0c\u5de5\u7a0b\u5e08\u4eec\u80fd\u591f\u7ba1\u7406\u70ed\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u98ce\u7535\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u70ed\u4f20\u5bfc\uff1a\u4e86\u89e3\u70ed\u4f20\u5bfc\u5728\u98ce\u529b\u6da1\u8f6e\u673a\u4e2d\u7684\u5173\u952e\u89d2\u8272\uff0c\u4ee5\u53ca\u5982\u4f55\u5f71\u54cd\u5176\u6548\u7387\u548c\u6027\u80fd\uff0c\u4f18\u5316\u80fd\u6e90\u8f6c\u6362\u8fc7\u7a0b\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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