{"id":751474,"date":"2024-10-25T03:15:27","date_gmt":"2024-10-25T02:15:27","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=751474"},"modified":"2024-10-25T03:15:27","modified_gmt":"2024-10-25T02:15:27","slug":"%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e5%af%bc%e7%8e%87%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e5%af%bc%e7%8e%87%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/","title":{"rendered":"\u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f\u89e3\u91ca\u6750\u6599\u70ed\u5bfc\u7387\u7684\u6982\u5ff5\uff0c\u8be6\u7ec6\u9610\u8ff0\u70ed\u4f20\u5bfc\u5982\u4f55\u901a\u8fc7\u4e0d\u540c\u6750\u6599\u5b9e\u73b0\uff0c\u53ca\u5176\u5728\u5de5\u7a0b\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n

\"\u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f\"<\/p>\n

\u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f<\/h2>\n

\u5728\u70ed\u529b\u5b66\u548c\u70ed\u5de5\u7a0b\u9886\u57df\uff0c\u70ed\u5bfc\u7387\uff08Thermal Conductivity\uff09\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u8868\u793a\u6750\u6599\u4f20\u5bfc\u70ed\u91cf\u7684\u80fd\u529b\uff0c\u662f\u8861\u91cf\u6750\u6599\u5bfc\u70ed\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u3002\u70ed\u5bfc\u7387\u901a\u5e38\u7528\u5e0c\u814a\u5b57\u6bcd \u03ba<\/i> \u6216 \u03bb<\/i> \u8868\u793a\uff0c\u5176\u5355\u4f4d\u662f\u74e6\u6bcf\u7c73\u6bcf\u5f00\u5c14\u6587\uff08W\/(m\u00b7K)\uff09\u3002<\/p>\n

\u70ed\u5bfc\u7387\u7684\u5b9a\u4e49<\/h2>\n

\u70ed\u5bfc\u7387\u5b9a\u4e49\u4e3a\u5728\u7a33\u5b9a\u72b6\u6001\u4e0b\uff0c\u5355\u4f4d\u65f6\u95f4\u901a\u8fc7\u5355\u4f4d\u9762\u79ef\u7684\u6750\u6599\u4f20\u5bfc\u7684\u70ed\u91cf\u4e0e\u6e29\u5ea6\u68af\u5ea6\u7684\u6bd4\u503c\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u5b83\u53cd\u6620\u4e86\u6750\u6599\u5728\u4e00\u5b9a\u6e29\u5ea6\u5dee\u4e0b\u4f20\u5bfc\u70ed\u91cf\u7684\u6548\u7387\u3002\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

\\[ Q = -\u03ba \\cdot A \\cdot \\frac{dT}{dx} \\]\n

\u5176\u4e2d\uff1a<\/p>\n

    \n
  • Q<\/b> \u662f\u4f20\u5bfc\u7684\u70ed\u91cf\uff08\u74e6\u7279\uff0cW\uff09<\/li>\n
  • \u03ba<\/b> \u662f\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff08W\/(m\u00b7K)\uff09<\/li>\n
  • A<\/b> \u662f\u6750\u6599\u7684\u622a\u9762\u79ef\uff08\u5e73\u65b9\u7c73\uff0cm2<\/sup>\uff09<\/li>\n
  • dT\/dx<\/b> \u662f\u6e29\u5ea6\u68af\u5ea6\uff0c\u5373\u6e29\u5ea6\u53d8\u5316\u7387\uff08K\/m\uff09<\/li>\n<\/ul>\n

    \u5e38\u89c1\u6750\u6599\u7684\u70ed\u5bfc\u7387<\/h2>\n

    \u4e0d\u540c\u6750\u6599\u7684\u70ed\u5bfc\u7387\u5dee\u5f02\u5f88\u5927\uff0c\u4e0b\u9762\u5217\u51fa\u4e00\u4e9b\u5e38\u89c1\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff1a<\/p>\n

      \n
    1. \u94dc\uff1a\u7ea6 400 W\/(m\u00b7K)<\/li>\n
    2. \u94dd\uff1a\u7ea6 237 W\/(m\u00b7K)<\/li>\n
    3. \u94a2\uff1a\u7ea6 50 W\/(m\u00b7K)<\/li>\n
    4. \u73bb\u7483\uff1a\u7ea6 0.8 W\/(m\u00b7K)<\/li>\n
    5. \u6728\u6750\uff1a\u7ea6 0.12 W\/(m\u00b7K)<\/li>\n
    6. \u7a7a\u6c14\uff1a\u7ea6 0.024 W\/(m\u00b7K)<\/li>\n<\/ol>\n

      \u70ed\u5bfc\u7387\u7684\u5f71\u54cd\u56e0\u7d20<\/h2>\n

      \u6750\u6599\u7684\u70ed\u5bfc\u7387\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\uff1a<\/p>\n

        \n
      • \u6750\u6599\u7c7b\u578b\uff1a<\/b>\u5bfc\u4f53\u7684\u70ed\u5bfc\u7387\u901a\u5e38\u8f83\u9ad8\uff0c\u800c\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387\u8f83\u4f4e\u3002<\/li>\n
      • \u6e29\u5ea6\uff1a<\/b>\u67d0\u4e9b\u6750\u6599\u7684\u70ed\u5bfc\u7387\u4f1a\u968f\u7740\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002\u901a\u5e38\uff0c\u91d1\u5c5e\u7684\u70ed\u5bfc\u7387\u4f1a\u968f\u7740\u6e29\u5ea6\u5347\u9ad8\u800c\u964d\u4f4e\u3002<\/li>\n
      • \u6750\u6599\u7ed3\u6784\uff1a<\/b>\u6676\u4f53\u7ed3\u6784\u548c\u5185\u90e8\u7f3a\u9677\uff08\u5982\u7a7a\u9699\u3001\u88c2\u7f1d\uff09\u90fd\u4f1a\u5f71\u54cd\u70ed\u5bfc\u7387\u3002<\/li>\n<\/ul>\n

        \u70ed\u5bfc\u7387\u7684\u5e94\u7528<\/h2>\n

        \u4e86\u89e3\u548c\u638c\u63e1\u6750\u6599\u7684\u70ed\u5bfc\u7387\u5728\u5de5\u7a0b\u9886\u57df\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u4ef7\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n

          \n
        • \u5efa\u7b51\u5de5\u7a0b\uff1a<\/b>\u9009\u62e9\u5408\u9002\u7684\u9694\u70ed\u6750\u6599\u4ee5\u63d0\u9ad8\u5efa\u7b51\u7684\u80fd\u6e90\u6548\u7387\u3002<\/li>\n
        • \u7535\u5b50\u4ea7\u54c1\uff1a<\/b>\u4f7f\u7528\u9ad8\u5bfc\u70ed\u6750\u6599\u6765\u6563\u70ed\uff0c\u4fdd\u62a4\u7535\u5b50\u5143\u4ef6\u3002<\/li>\n
        • \u5de5\u4e1a\u751f\u4ea7\uff1a<\/b>\u7ba1\u7406\u70ed\u4f20\u5bfc\u8fc7\u7a0b\uff0c\u4ee5\u4f18\u5316\u751f\u4ea7\u6548\u7387\u548c\u4fdd\u969c\u8bbe\u5907\u5b89\u5168\u3002<\/li>\n<\/ul>\n

          \u7ed3\u8bba<\/h2>\n

          \u70ed\u5bfc\u7387\u662f\u8861\u91cf\u6750\u6599\u4f20\u5bfc\u70ed\u91cf\u80fd\u529b\u7684\u91cd\u8981\u53c2\u6570\uff0c\u5bf9\u5404\u79cd\u5de5\u7a0b\u5e94\u7528\u8d77\u5230\u5173\u952e\u4f5c\u7528\u3002\u901a\u8fc7\u638c\u63e1\u70ed\u5bfc\u7387\u7684\u6982\u5ff5\u53ca\u5176\u5f71\u54cd\u56e0\u7d20\uff0c\u5de5\u7a0b\u5e08\u548c\u79d1\u5b66\u5bb6\u53ef\u4ee5\u66f4\u597d\u5730\u8bbe\u8ba1\u548c\u4f18\u5316\u5404\u79cd\u70ed\u7ba1\u7406\u7cfb\u7edf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f\u89e3\u91ca\u6750\u6599\u70ed\u5bfc\u7387\u7684\u6982\u5ff5\uff0c\u8be6\u7ec6\u9610\u8ff0\u70ed\u4f20\u5bfc\u5982\u4f55\u901a\u8fc7\u4e0d\u540c\u6750\u6599\u5b9e\u73b0\uff0c\u53ca\u5176\u5728\u5de5\u7a0b\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\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\u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f<\/title>\n<meta name=\"description\" content=\"\u6750\u6599\u7684\u70ed\u5bfc\u7387\u662f\u4ec0\u4e48\uff1f\u89e3\u91ca\u6750\u6599\u70ed\u5bfc\u7387\u7684\u6982\u5ff5\uff0c\u8be6\u7ec6\u9610\u8ff0\u70ed\u4f20\u5bfc\u5982\u4f55\u901a\u8fc7\u4e0d\u540c\u6750\u6599\u5b9e\u73b0\uff0c\u53ca\u5176\u5728\u5de5\u7a0b\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, 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