{"id":721160,"date":"2024-08-10T18:04:02","date_gmt":"2024-08-10T17:04:02","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=721160"},"modified":"2024-08-10T18:04:02","modified_gmt":"2024-08-10T17:04:02","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e7%83%ad%e6%89%a9%e6%95%a3%e7%8e%87%e5%9c%a8%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e4%b8%ad%e8%87%b3%e5%85%b3%e9%87%8d%e8%a6%81","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e4%b8%ba%e4%bb%80%e4%b9%88%e7%83%ad%e6%89%a9%e6%95%a3%e7%8e%87%e5%9c%a8%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e4%b8%ad%e8%87%b3%e5%85%b3%e9%87%8d%e8%a6%81\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u70ed\u6269\u6563\u7387\u5728\u590d\u5408\u6750\u6599\u4e2d\u81f3\u5173\u91cd\u8981"},"content":{"rendered":"

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\"\u4e3a\u4ec0\u4e48\u70ed\u6269\u6563\u7387\u5728\u590d\u5408\u6750\u6599\u4e2d\u81f3\u5173\u91cd\u8981\"<\/p>\n

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\u70ed\u6269\u6563\u7387\u7684\u5b9a\u4e49<\/h2>\n

\u70ed\u6269\u6563\u7387\uff08thermal diffusivity<\/i>\uff09\u662f\u6307\u6750\u6599\u5728\u70ed\u4f20\u5bfc\u8fc7\u7a0b\u4e2d\uff0c\u6e29\u5ea6\u53d8\u5316\u968f\u65f6\u95f4\u6269\u6563\u7684\u901f\u5ea6\u3002\u7528\u516c\u5f0f\u8868\u793a\u4e3a\uff1a<\/p>\n

\\(\\alpha = \\frac{\\kappa}{\\rho c_p}\\)<\/p>\n

\u5176\u4e2d\uff0c\\(\\alpha\\) \u662f\u70ed\u6269\u6563\u7387\uff0c\\(\\kappa\\) \u662f\u70ed\u5bfc\u7387\uff0c\\(\\rho\\) \u662f\u5bc6\u5ea6\uff0c\\(\\ c_p\\) \u662f\u6bd4\u70ed\u5bb9\u3002\u70ed\u6269\u6563\u7387\u51b3\u5b9a\u4e86\u6e29\u5ea6\u5982\u4f55\u5728\u6750\u6599\u5185\u90e8\u4f20\u64ad\uff0c\u56e0\u6b64\u5bf9\u4e8e\u6750\u6599\u7684\u70ed\u7ba1\u7406\u6781\u4e3a\u91cd\u8981\u3002<\/p>\n

\u70ed\u6269\u6563\u7387\u5bf9\u590d\u5408\u6750\u6599\u7684\u5f71\u54cd<\/h2>\n

\u6750\u6599\u9009\u62e9<\/h3>\n
    \n
  • \u5728\u8bbe\u8ba1\u590d\u5408\u6750\u6599\u65f6\uff0c\u5de5\u7a0b\u5e08\u9700\u8981\u8003\u8651\u70ed\u6269\u6563\u7387\uff0c\u4ee5\u786e\u4fdd\u6750\u6599\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u5177\u6709\u826f\u597d\u7684\u70ed\u7a33\u5b9a\u6027\u3002<\/li>\n
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    \u70ed\u7ba1\u7406<\/h3>\n
      \n
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    • \u4f4e\u70ed\u6269\u6563\u7387\u7684\u6750\u6599\u5219\u53ef\u4ee5\u7528\u4e8e\u9694\u70ed\u5e94\u7528\uff0c\u4f8b\u5982\u70ed\u4fdd\u62a4\u6d82\u5c42\uff0c\u4ee5\u9632\u6b62\u5916\u90e8\u9ad8\u6e29\u5bf9\u5185\u90e8\u7ed3\u6784\u7684\u635f\u5bb3\u3002<\/li>\n<\/ul>\n

      \u5b9e\u9645\u5e94\u7528<\/h2>\n

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