{"id":752044,"date":"2024-09-01T08:45:51","date_gmt":"2024-09-01T07:45:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=752044"},"modified":"2024-09-01T08:45:51","modified_gmt":"2024-09-01T07:45:51","slug":"%e5%9c%b0%e6%9a%96%e7%b3%bb%e7%bb%9f%e5%a6%82%e4%bd%95%e4%bc%a0%e9%80%92%e7%83%ad%e9%87%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%9c%b0%e6%9a%96%e7%b3%bb%e7%bb%9f%e5%a6%82%e4%bd%95%e4%bc%a0%e9%80%92%e7%83%ad%e9%87%8f%ef%bc%9f\/","title":{"rendered":"\u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f"},"content":{"rendered":"

\u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f\u8be6\u7ec6\u89e3\u6790\u5730\u6696\u7cfb\u7edf\u5de5\u4f5c\u539f\u7406\uff0c\u4ecb\u7ecd\u70ed\u4f20\u5bfc\u3001\u5bf9\u6d41\u4e0e\u8f90\u5c04\u4e09\u79cd\u4e3b\u8981\u70ed\u91cf\u4f20\u9012\u65b9\u5f0f\uff0c\u8ba9\u5c45\u5bb6\u53d6\u6696\u66f4\u9ad8\u6548\u3002<\/p>\n

\"\u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f\"<\/p>\n

\u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f<\/h2>\n

\u5730\u6696\u7cfb\u7edf\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u4f9b\u6696\u65b9\u5f0f\uff0c\u901a\u8fc7\u5728\u5730\u677f\u4e0b\u5b89\u88c5\u52a0\u70ed\u5143\u4ef6\uff0c\u76f4\u63a5\u52a0\u70ed\u5730\u677f\uff0c\u4f7f\u5f97\u623f\u95f4\u5185\u7684\u70ed\u91cf\u5747\u5300\u5206\u5e03\u3002\u5730\u6696\u7cfb\u7edf\u7684\u4f20\u70ed\u539f\u7406\u4e3b\u8981\u6d89\u53ca\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u4e09\u79cd\u65b9\u5f0f\u3002<\/p>\n

\u4f20\u5bfc<\/h2>\n

\u4f20\u5bfc\u662f\u6307\u70ed\u91cf\u901a\u8fc7\u7269\u8d28\u4ece\u9ad8\u6e29\u90e8\u5206\u4f20\u9012\u5230\u4f4e\u6e29\u90e8\u5206\u7684\u8fc7\u7a0b\u3002\u5730\u6696\u7cfb\u7edf\u4e2d\u7684\u52a0\u70ed\u5143\u4ef6\uff0c\u5982\u7535\u70ed\u7535\u7f06\u6216\u6c34\u7ba1\uff0c\u9996\u5148\u52a0\u70ed\u5730\u677f\u6750\u6599\u3002\u8fd9\u4e9b\u5730\u677f\u6750\u6599\uff0c\u5982\u74f7\u7816\u3001\u6728\u5730\u677f\u6216\u5730\u6bef\u7b49\uff0c\u901a\u8fc7\u70ed\u4f20\u5bfc\u5c06\u70ed\u91cf\u4f20\u9012\u7ed9\u5730\u677f\u8868\u9762\u3002<\/p>\n

    \n
  1. \u7535\u70ed\u7535\u7f06\uff1a\u7535\u70ed\u7535\u7f06\u901a\u7535\u540e\uff0c\u7535\u963b\u4ea7\u751f\u70ed\u91cf\uff0c\u901a\u8fc7\u4f20\u5bfc\u5c06\u70ed\u91cf\u4f20\u9012\u7ed9\u5468\u56f4\u7684\u5730\u677f\u6750\u6599\u3002<\/li>\n
  2. \u6c34\u7ba1\uff1a\u70ed\u6c34\u5728\u6c34\u7ba1\u4e2d\u5faa\u73af\uff0c\u901a\u8fc7\u7ba1\u58c1\u4f20\u5bfc\u70ed\u91cf\uff0c\u52a0\u70ed\u5730\u677f\u6750\u6599\u3002<\/li>\n<\/ol>\n

    \u5bf9\u6d41<\/h2>\n

    \u5bf9\u6d41\u662f\u6307\u6db2\u4f53\u6216\u6c14\u4f53\u56e0\u6e29\u5ea6\u4e0d\u540c\u800c\u53d1\u751f\u6d41\u52a8\uff0c\u4f7f\u70ed\u91cf\u4ece\u4e00\u4e2a\u5730\u65b9\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u5730\u65b9\u7684\u8fc7\u7a0b\u3002\u5f53\u5730\u6696\u7cfb\u7edf\u52a0\u70ed\u5730\u677f\u65f6\uff0c\u5730\u677f\u8868\u9762\u6e29\u5ea6\u5347\u9ad8\uff0c\u7a7a\u6c14\u4e0e\u5730\u677f\u8868\u9762\u63a5\u89e6\u540e\u4e5f\u88ab\u52a0\u70ed\u3002\u70ed\u7a7a\u6c14\u53d8\u8f7b\uff0c\u4e0a\u5347\uff0c\u51b7\u7a7a\u6c14\u4e0b\u6c89\uff0c\u5f62\u6210\u7a7a\u6c14\u5bf9\u6d41\u5faa\u73af\uff0c\u4f7f\u6574\u4e2a\u623f\u95f4\u7684\u7a7a\u6c14\u6e29\u5ea6\u5747\u5300\u3002<\/p>\n

    \u8f90\u5c04<\/h2>\n

    \u8f90\u5c04\u662f\u70ed\u91cf\u901a\u8fc7\u7535\u78c1\u6ce2\uff0c\u4ece\u70ed\u6e90\u76f4\u63a5\u4f20\u9012\u5230\u88ab\u52a0\u70ed\u7269\u4f53\u7684\u8fc7\u7a0b\u3002\u5728\u5730\u6696\u7cfb\u7edf\u4e2d\uff0c\u5730\u677f\u52a0\u70ed\u540e\uff0c\u5730\u677f\u901a\u8fc7\u7ea2\u5916\u8f90\u5c04\u5c06\u70ed\u91cf\u76f4\u63a5\u4f20\u9012\u7ed9\u623f\u95f4\u5185\u7684\u7269\u4f53\uff0c\u5982\u5bb6\u5177\u548c\u5899\u58c1\u3002\u8fd9\u79cd\u4f20\u70ed\u65b9\u5f0f\u4f7f\u5f97\u623f\u95f4\u611f\u89c9\u66f4\u52a0\u6e29\u6696\u548c\u8212\u9002\u3002<\/p>\n

    \u5730\u6696\u7cfb\u7edf\u7684\u6570\u5b66\u6a21\u578b<\/h2>\n

    \u5730\u6696\u7cfb\u7edf\u4e2d\u7684\u4f20\u70ed\u53ef\u4ee5\u7528\u4e00\u4e9b\u6570\u5b66\u6a21\u578b\u6765\u63cf\u8ff0\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4f20\u5bfc\uff0c\u53ef\u4ee5\u7528\u5085\u91cc\u53f6\u5b9a\u5f8b\uff1a<\/p>\n

    q = -k \\cdot \\frac{dT}{dx}<\/em><\/p>\n

    \u5176\u4e2d\uff0cq<\/em>\u8868\u793a\u70ed\u6d41\u91cf\uff0ck<\/em>\u662f\u5730\u677f\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff0c\\frac{dT}{dx}<\/em>\u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n

    \u5bf9\u4e8e\u5bf9\u6d41\uff0c\u53ef\u4ee5\u7528\u725b\u987f\u51b7\u5374\u5b9a\u5f8b\uff1a<\/p>\n

    q = h \\cdot A \\cdot (T_s – T_\\infty)<\/em><\/p>\n

    \u5176\u4e2d\uff0cq<\/em>\u662f\u70ed\u6d41\u91cf\uff0ch<\/em>\u662f\u5bf9\u6d41\u6362\u70ed\u7cfb\u6570\uff0cA<\/em>\u662f\u8868\u9762\u79ef\uff0cT_s<\/em>\u662f\u8868\u9762\u6e29\u5ea6\uff0cT_\\infty<\/em>\u662f\u6d41\u4f53\u6e29\u5ea6\u3002<\/p>\n

    \u5730\u6696\u7cfb\u7edf\u901a\u8fc7\u8fd9\u4e9b\u4f20\u70ed\u539f\u7406\u548c\u6570\u5b66\u6a21\u578b\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u5ba4\u5185\u4f9b\u6696\u3002\u4e86\u89e3\u8fd9\u4e9b\u539f\u7406\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u8bbe\u8ba1\u548c\u4f18\u5316\u5730\u6696\u7cfb\u7edf\uff0c\u63d0\u9ad8\u80fd\u6e90\u5229\u7528\u6548\u7387\uff0c\u5e26\u6765\u66f4\u8212\u9002\u7684\u751f\u6d3b\u73af\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f\u8be6\u7ec6\u89e3\u6790\u5730\u6696\u7cfb\u7edf\u5de5\u4f5c\u539f\u7406\uff0c\u4ecb\u7ecd\u70ed\u4f20\u5bfc\u3001\u5bf9\u6d41\u4e0e\u8f90\u5c04\u4e09\u79cd\u4e3b\u8981\u70ed\u91cf\u4f20\u9012\u65b9\u5f0f\uff0c\u8ba9\u5c45\u5bb6\u53d6\u6696\u66f4\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":"\n\u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f<\/title>\n<meta name=\"description\" content=\"\u5730\u6696\u7cfb\u7edf\u5982\u4f55\u4f20\u9012\u70ed\u91cf\uff1f\u8be6\u7ec6\u89e3\u6790\u5730\u6696\u7cfb\u7edf\u5de5\u4f5c\u539f\u7406\uff0c\u4ecb\u7ecd\u70ed\u4f20\u5bfc\u3001\u5bf9\u6d41\u4e0e\u8f90\u5c04\u4e09\u79cd\u4e3b\u8981\u70ed\u91cf\u4f20\u9012\u65b9\u5f0f\uff0c\u8ba9\u5c45\u5bb6\u53d6\u6696\u66f4\u9ad8\u6548\u3002\" 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