{"id":743004,"date":"2024-10-11T03:19:27","date_gmt":"2024-10-11T02:19:27","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743004"},"modified":"2024-10-11T03:19:27","modified_gmt":"2024-10-11T02:19:27","slug":"%e5%8f%91%e9%85%b5%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\/%e5%8f%91%e9%85%b5%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92\/","title":{"rendered":"\u53d1\u9175\u4e2d\u7684\u70ed\u4f20\u9012"},"content":{"rendered":"<p class=\"sidekick\">\u53d1\u9175\u4e2d\u7684\u70ed\u4f20\u9012\uff1a\u4e86\u89e3\u53d1\u9175\u8fc7\u7a0b\u4e2d\u7684\u70ed\u91cf\u5982\u4f55\u5f71\u54cd\u5fae\u751f\u7269\u6d3b\u52a8\uff0c\u4f18\u5316\u6e29\u5ea6\u63a7\u5236\u4ee5\u63d0\u9ad8\u751f\u4ea7\u6548\u7387\uff0c\u63ed\u79d8\u70ed\u4f20\u9012\u5728\u8c03\u63a7\u53d1\u9175\u54c1\u8d28\u4e2d\u7684\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p><img 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<br \/> \\( q = -k \\frac{\\Delta T}{\\Delta x} \\) <br \/>\u5176\u4e2dq\u4e3a\u70ed\u6d41\u5bc6\u5ea6\uff0ck\u4e3a\u70ed\u4f20\u5bfc\u7cfb\u6570\uff0c\\(\\Delta T\\)\u4e3a\u6e29\u5ea6\u5dee\uff0c\\(\\Delta x\\)\u4e3a\u4f20\u70ed\u957f\u5ea6\u3002<\/li>\n<li>\u7ebd\u987f\u51b7\u5374\u5b9a\u5f8b\uff1a <br \/> \\( q = h A (T_s &#8211; T_{\\infty}) \\) <br \/>\u5176\u4e2dh\u4e3a\u5bf9\u6d41\u4f20\u70ed\u7cfb\u6570\uff0cA\u4e3a\u9762\u79ef\uff0c\\(T_s\\) 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