{"id":723442,"date":"2024-08-28T18:17:56","date_gmt":"2024-08-28T17:17:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=723442"},"modified":"2024-08-28T18:17:56","modified_gmt":"2024-08-28T17:17:56","slug":"%e9%80%9a%e8%bf%87%e7%83%ad%e6%89%a9%e6%95%a3%e6%b5%8b%e9%87%8f%e6%9d%90%e6%96%99%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e9%80%9a%e8%bf%87%e7%83%ad%e6%89%a9%e6%95%a3%e6%b5%8b%e9%87%8f%e6%9d%90%e6%96%99%e7%89%b9%e6%80%a7\/","title":{"rendered":"\u901a\u8fc7\u70ed\u6269\u6563\u6d4b\u91cf\u6750\u6599\u7279\u6027"},"content":{"rendered":"<p class=\"sidekick\">\u901a\u8fc7\u70ed\u6269\u6563\u6d4b\u91cf\u6750\u6599\u7279\u6027\u2014\u2014\u89e3\u6790\u5982\u4f55\u5229\u7528\u70ed\u6269\u6563\u6280\u672f\u8bc4\u4f30\u6750\u6599\u5bfc\u70ed\u6027\u80fd\u548c\u70ed\u7a33\u5b9a\u6027\uff0c\u4e3a\u5de5\u4e1a\u5e94\u7528\u63d0\u4f9b\u79d1\u5b66\u4f9d\u636e\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u901a\u8fc7\u70ed\u6269\u6563\u6d4b\u91cf\u6750\u6599\u7279\u6027.png\" alt=\"\u901a\u8fc7\u70ed\u6269\u6563\u6d4b\u91cf\u6750\u6599\u7279\u6027\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u901a\u8fc7\u70ed\u6269\u6563\u6d4b\u91cf\u6750\u6599\u7279\u6027<\/h2>\n<p>\u70ed\u6269\u6563\u662f\u6307\u70ed\u91cf\u5728\u6750\u6599\u4e2d\u4f20\u64ad\u7684\u8fc7\u7a0b\uff0c\u662f\u7406\u89e3\u6750\u6599\u70ed\u6027\u80fd\u7684\u91cd\u8981\u65b9\u9762\u3002\u901a\u8fc7\u6d4b\u91cf\u6750\u6599\u7684\u70ed\u6269\u6563\u7387\uff0c\u53ef\u4ee5\u83b7\u5f97\u5173\u4e8e\u6750\u6599\u5bfc\u70ed\u6027\u7684\u91cd\u8981\u4fe1\u606f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u70ed\u6269\u6563\u7684\u57fa\u672c\u6982\u5ff5\u548c\u6d4b\u91cf\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\u6765\u8bc4\u4f30\u6750\u6599\u7279\u6027\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u70ed\u6269\u6563<\/h2>\n<p>\u70ed\u6269\u6563\u662f\u63cf\u8ff0\u70ed\u91cf\u5982\u4f55\u5728\u6750\u6599\u4e2d\u4f20\u64ad\u7684\u4e00\u4e2a\u7269\u7406\u91cf\u3002\u5b83\u53d6\u51b3\u4e8e\u6750\u6599\u7684\u5bfc\u70ed\u7cfb\u6570\uff08<i>k<\/i>\uff09\u3001\u5bc6\u5ea6\uff08<i>\\rho<\/i>\uff09\u548c\u6bd4\u70ed\u5bb9\uff08<i>c<\/i>\uff09\u7684\u7ec4\u5408\uff0c\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n<p><b>\u70ed\u6269\u6563\u7387\uff1a<\/b> <i>\\alpha = \\frac{k}{\\rho c}<\/i><\/p>\n<ul>\n<li><b>\u5bfc\u70ed\u7cfb\u6570k\uff1a<\/b> \u8868\u793a\u6750\u6599\u4f20\u5bfc\u70ed\u91cf\u7684\u80fd\u529b\u3002<\/li>\n<li><b>\u5bc6\u5ea6\\rho\uff1a<\/b> \u8868\u793a\u6750\u6599\u7684\u8d28\u91cf\u5bc6\u5ea6\u3002<\/li>\n<li><b>\u6bd4\u70ed\u5bb9c\uff1a<\/b> \u8868\u793a\u6750\u6599\u5438\u6536\u70ed\u91cf\u7684\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h2>\u70ed\u6269\u6563\u6d4b\u91cf\u65b9\u6cd5<\/h2>\n<p>\u6d4b\u91cf\u70ed\u6269\u6563\u7387\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u6fc0\u5149\u95ea\u5149\u6cd5\u548c\u70ed\u6d41\u8ba1\u6cd5\u3002<\/p>\n<ol>\n<li>\n    <b>\u6fc0\u5149\u95ea\u5149\u6cd5\uff1a<\/b> \u8fd9\u79cd\u65b9\u6cd5\u662f\u4e00\u79cd\u77ac\u6001\u6280\u672f\uff0c\u901a\u8fc7\u4ee5\u6fc0\u5149\u8109\u51b2\u52a0\u70ed\u6750\u6599\u7684\u4e00\u4fa7\uff0c\u7136\u540e\u6d4b\u91cf\u53e6\u4e00\u4fa7\u6e29\u5ea6\u968f\u65f6\u95f4\u53d8\u5316\u6765\u8ba1\u7b97\u70ed\u6269\u6563\u7387\u3002\u8be5\u65b9\u6cd5\u6bd4\u8f83\u5feb\u901f\u4e14\u7075\u654f\uff0c\u5e38\u7528\u4e8e\u9ad8\u5bfc\u70ed\u6750\u6599\u7684\u6d4b\u91cf\u3002\n  <\/li>\n<li>\n    <b>\u70ed\u6d41\u8ba1\u6cd5\uff1a<\/b> \u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u7a33\u5b9a\u6001\u6280\u672f\uff0c\u5728\u6750\u6599\u4e24\u7aef\u7ef4\u6301\u6052\u5b9a\u6e29\u5dee\uff0c\u6d4b\u91cf\u901a\u8fc7\u6750\u6599\u7684\u70ed\u6d41\u91cf\u3002\u9002\u7528\u4e8e\u4f4e\u5bfc\u70ed\u6750\u6599\uff0c\u4f46\u9700\u8981\u66f4\u957f\u65f6\u95f4\u8fbe\u5230\u7a33\u5b9a\u72b6\u6001\u3002\n  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