{"id":744478,"date":"2024-08-05T00:42:26","date_gmt":"2024-08-04T23:42:26","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=744478"},"modified":"2024-08-05T00:42:26","modified_gmt":"2024-08-04T23:42:26","slug":"%e5%86%b0%e8%93%84%e5%86%b7%e7%b3%bb%e7%bb%9f%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\/%e5%86%b0%e8%93%84%e5%86%b7%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e5%af%bc\/","title":{"rendered":"\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc"},"content":{"rendered":"<p class=\"sidekick\">\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc\uff1a\u63a2\u8ba8\u51b0\u84c4\u51b7\u6280\u672f\u4e2d\u7684\u70ed\u4f20\u5bfc\u539f\u7406\u548c\u5e94\u7528\u5b9e\u4f8b\uff0c\u89e3\u91ca\u5176\u5728\u7a7a\u8c03\u7cfb\u7edf\u4e2d\u5982\u4f55\u63d0\u9ad8\u80fd\u6548\u548c\u8282\u80fd\u51cf\u6392\u6548\u679c\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc.png\" alt=\"\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc<\/h2>\n<p>\u51b0\u84c4\u51b7\u7cfb\u7edf\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u80fd\u6e90\u7ba1\u7406\u6280\u672f\uff0c\u901a\u8fc7\u5728\u975e\u9ad8\u5cf0\u65f6\u6bb5\u5c06\u7535\u80fd\u8f6c\u5316\u4e3a\u51b7\u80fd\u50a8\u5b58\u8d77\u6765\uff0c\u5e76\u5728\u9ad8\u5cf0\u7528\u7535\u65f6\u6bb5\u5229\u7528\u8fd9\u4e9b\u50a8\u5b58\u7684\u51b7\u80fd\uff0c\u4ece\u800c\u964d\u4f4e\u6574\u4f53\u7684\u7535\u529b\u6210\u672c\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u70ed\u4f20\u5bfc\u662f\u5b9e\u73b0\u80fd\u91cf\u50a8\u5b58\u548c\u91ca\u653e\u7684\u91cd\u8981\u673a\u5236\u3002<\/p>\n<p><u1><\/p>\n<li><b>\u51b0\u84c4\u51b7\u7cfb\u7edf\u7684\u57fa\u672c\u539f\u7406<\/b><\/li>\n<p><\/u1><\/p>\n<p>\u51b0\u84c4\u51b7\u7cfb\u7edf\u7684\u6838\u5fc3\u662f\u5229\u7528\u51b0\u7684\u6f5c\u70ed\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u51b0\u84c4\u51b7\u7cfb\u7edf\u5728\u591c\u95f4\u6216\u7535\u529b\u8d1f\u8377\u8f83\u4f4e\u65f6\u5229\u7528\u5236\u51b7\u8bbe\u5907\u5c06\u6c34\u51bb\u7ed3\u6210\u51b0\u3002\u5728\u767d\u5929\u6216\u7535\u529b\u8d1f\u8377\u8f83\u9ad8\u65f6\uff0c\u51b0\u878d\u5316\u5e76\u5438\u6536\u70ed\u91cf\uff0c\u901a\u8fc7\u51b7\u5a92\u4f20\u9012\u7ed9\u7a7a\u8c03\u7cfb\u7edf\uff0c\u4ece\u800c\u8fbe\u5230\u5236\u51b7\u7684\u6548\u679c\u3002<\/p>\n<p><u1><\/p>\n<li><b>\u70ed\u4f20\u5bfc\u7684\u57fa\u672c\u6982\u5ff5<\/b><\/li>\n<p><\/u1><\/p>\n<p>\u70ed\u4f20\u5bfc\u662f\u4e00\u79cd\u80fd\u91cf\u4f20\u9012\u7684\u65b9\u5f0f\uff0c\u5728\u6e29\u5ea6\u68af\u5ea6\u5b58\u5728\u65f6\uff0c\u70ed\u91cf\u4f1a\u4ece\u9ad8\u6e29\u533a\u57df\u4f20\u9012\u5230\u4f4e\u6e29\u533a\u57df\u3002\u70ed\u4f20\u5bfc\u7684\u901f\u7387\u53ef\u4ee5\u7528\u5085\u91cc\u53f6\u5b9a\u5f8b\u8868\u793a\uff1a<\/p>\n<p>\\[<br \/>\nQ = -k A \\frac{dT}{dx}<br \/>\n\\]\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>Q \u662f\u70ed\u91cf\u4f20\u5bfc\u901f\u7387\uff0c\u5355\u4f4d\u4e3a\u74e6\u7279\uff08W\uff09\u3002<\/li>\n<li>k \u662f\u6750\u6599\u7684\u5bfc\u70ed\u7cfb\u6570\uff0c\u5355\u4f4d\u4e3a\u74e6\u7279\u6bcf\u7c73\u6bcf\u5f00\u5c14\u6587\uff08W\/m\u00b7K\uff09\u3002<\/li>\n<li>A \u662f\u70ed\u4f20\u5bfc\u7684\u622a\u9762\u79ef\uff0c\u5355\u4f4d\u4e3a\u5e73\u65b9\u7c73\uff08m<sup>2<\/sup>\uff09\u3002<\/li>\n<li>\\(\\frac{dT}{dx}\\) \u662f\u6e29\u5ea6\u68af\u5ea6\uff0c\u5373\u6e29\u5ea6\u53d8\u5316\u7387\uff0c\u5355\u4f4d\u4e3a\u5f00\u5c14\u6587\u6bcf\u7c73\uff08K\/m\uff09\u3002<\/li>\n<p><\/o1><\/p>\n<p><u1><\/p>\n<li><b>\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc\u8fc7\u7a0b<\/b><\/li>\n<p><\/u1><\/p>\n<p>\u5728\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\uff0c\u70ed\u4f20\u5bfc\u8fc7\u7a0b\u4e3b\u8981\u53d1\u751f\u5728\u51b0\u4e0e\u51b7\u5a92\u4e4b\u95f4\uff0c\u4ee5\u53ca\u51b7\u5a92\u4e0e\u88ab\u51b7\u5374\u533a\u57df\u4e4b\u95f4\u3002<\/p>\n<p><b>\u51b0\u4e0e\u51b7\u5a92\u4e4b\u95f4\u7684\u70ed\u4f20\u5bfc\uff1a<\/b><\/p>\n<p>\u5f53\u9700\u8981\u5236\u51b7\u65f6\uff0c\u51b0\u5f00\u59cb\u878d\u5316\uff0c\u5438\u6536\u73af\u5883\u4e2d\u7684\u70ed\u91cf\u3002\u6db2\u6001\u51b7\u5a92\u6d41\u7ecf\u51b0\u7684\u8868\u9762\uff0c\u901a\u8fc7\u70ed\u4f20\u5bfc\u5c06\u80fd\u91cf\u4ece\u51b0\u5757\u4f20\u9012\u5230\u51b7\u5a92\u4e2d\uff0c\u5bfc\u81f4\u51b7\u5a92\u6e29\u5ea6\u964d\u4f4e\u3002<\/p>\n<p><b>\u51b7\u5a92\u4e0e\u88ab\u51b7\u5374\u533a\u57df\u4e4b\u95f4\u7684\u70ed\u4f20\u5bfc\uff1a<\/b><\/p>\n<p>\u51b7\u5a92\u5e26\u7740\u4ece\u51b0\u4e2d\u83b7\u5f97\u7684\u51b7\u80fd\u6d41\u5411\u9700\u8981\u5236\u51b7\u7684\u533a\u57df\uff0c\u4e0e\u7a7a\u6c14\u6216\u5176\u4ed6\u4ecb\u8d28\u8fdb\u884c\u70ed\u4ea4\u6362\u3002\u901a\u8fc7\u4f20\u5bfc\u548c\u5bf9\u6d41\u65b9\u5f0f\uff0c\u51b7\u5a92\u4e2d\u7684\u51b7\u80fd\u4f20\u9012\u7ed9\u7a7a\u6c14\uff0c\u4ece\u800c\u964d\u4f4e\u88ab\u51b7\u5374\u533a\u57df\u7684\u6e29\u5ea6\u3002<\/p>\n<p><u1><\/p>\n<li><b>\u63d0\u9ad8\u51b0\u84c4\u51b7\u7cfb\u7edf\u6548\u7387\u7684\u70ed\u4f20\u5bfc\u65b9\u6cd5<\/b><\/li>\n<p><\/u1><\/p>\n<p>\u8981\u63d0\u9ad8\u51b0\u84c4\u51b7\u7cfb\u7edf\u7684\u6548\u7387\uff0c\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u6765\u4f18\u5316\u70ed\u4f20\u5bfc\u8fc7\u7a0b\uff1a<\/p>\n<p><o1><\/p>\n<li>\u9009\u62e9\u9ad8\u5bfc\u70ed\u6750\u6599\uff1a\u4f7f\u7528\u9ad8\u5bfc\u70ed\u7cfb\u6570\u7684\u6750\u6599\u53ef\u4ee5\u52a0\u901f\u70ed\u4f20\u5bfc\u8fc7\u7a0b\uff0c\u63d0\u9ad8\u7cfb\u7edf\u6548\u7387\u3002<\/li>\n<li>\u4f18\u5316\u8868\u9762\u79ef\uff1a\u589e\u5927\u51b0\u5757\u4e0e\u51b7\u5a92\u7684\u63a5\u89e6\u9762\u79ef\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u70ed\u4ea4\u6362\u6548\u7387\u3002<\/li>\n<li>\u63a7\u5236\u6e29\u5ea6\u68af\u5ea6\uff1a\u9002\u5f53\u8c03\u8282\u6e29\u5ea6\u68af\u5ea6\u6709\u52a9\u4e8e\u7a33\u5b9a\u70ed\u4f20\u5bfc\u901f\u7387\u3002<\/li>\n<p><\/o1><\/p>\n<p><u1><\/p>\n<li><b>\u7ed3\u8bba<\/b><\/li>\n<p><\/u1><\/p>\n<p>\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc\u662f\u5b9e\u73b0\u80fd\u91cf\u50a8\u5b58\u548c\u91ca\u653e\u7684\u5173\u952e\u73af\u8282\u3002\u901a\u8fc7\u4e86\u89e3\u70ed\u4f20\u5bfc\u7684\u57fa\u672c\u539f\u7406\u548c\u5728\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u5177\u4f53\u5e94\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u6709\u6548\u7684\u63aa\u65bd\u6765\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\uff0c\u4ece\u800c\u8fbe\u5230\u8282\u80fd\u7684\u76ee\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u51b0\u84c4\u51b7\u7cfb\u7edf\u4e2d\u7684\u70ed\u4f20\u5bfc\uff1a\u63a2\u8ba8\u51b0\u84c4\u51b7\u6280\u672f\u4e2d\u7684\u70ed\u4f20\u5bfc\u539f\u7406\u548c\u5e94\u7528\u5b9e\u4f8b\uff0c\u89e3\u91ca\u5176\u5728\u7a7a\u8c03\u7cfb\u7edf\u4e2d\u5982\u4f55\u63d0\u9ad8\u80fd\u6548\u548c\u8282\u80fd\u51cf\u6392\u6548\u679c\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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