{"id":743657,"date":"2024-11-15T12:45:23","date_gmt":"2024-11-15T11:45:23","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743657"},"modified":"2024-11-15T12:45:23","modified_gmt":"2024-11-15T11:45:23","slug":"%e7%bb%9d%e7%bc%98%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e5%af%bc%e7%8e%87","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%bb%9d%e7%bc%98%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e5%af%bc%e7%8e%87\/","title":{"rendered":"\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387"},"content":{"rendered":"<p class=\"sidekick\">\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff0c\u91cd\u70b9\u4ecb\u7ecd\u5404\u79cd\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387\u7279\u6027\uff0c\u5e2e\u52a9\u7406\u89e3\u4e0d\u540c\u6750\u6599\u5728\u70ed\u7ba1\u7406\u4e2d\u7684\u5e94\u7528\u53ca\u5176\u6027\u80fd\u4f18\u52bf\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387.png\" alt=\"\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387<\/h2>\n<p>\u5728\u70ed\u5de5\u7a0b\u5b66\u4e2d\uff0c\u7edd\u7f18\u6750\u6599\u662f\u6307\u80fd\u591f\u6709\u6548\u963b\u6b62\u70ed\u4f20\u9012\u7684\u6750\u6599\u3002\u8fd9\u4e9b\u6750\u6599\u5728\u8bb8\u591a\u5e94\u7528\u4e2d\u975e\u5e38\u91cd\u8981\uff0c\u4f8b\u5982\u5efa\u7b51\u4fdd\u6e29\u3001\u5de5\u4e1a\u8bbe\u5907\u7edd\u70ed\u4ee5\u53ca\u51b7\u70ed\u7ba1\u9053\u7684\u9694\u70ed\u7b49\u3002\u7406\u89e3\u7edd\u7f18\u6750\u6599\u7684\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5b83\u4eec\u7684\u70ed\u5bfc\u7387\uff0c\u5bf9\u4e8e\u5de5\u7a0b\u5e08\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u70ed\u5bfc\u7387\uff1f<\/h2>\n<p>\u70ed\u5bfc\u7387\uff08Thermal conductivity\uff09\uff0c\u901a\u5e38\u7528\u7b26\u53f7 <i>k<\/i> \u8868\u793a\uff0c\u662f\u8861\u91cf\u6750\u6599\u5bfc\u70ed\u80fd\u529b\u7684\u4e00\u4e2a\u7269\u7406\u91cf\u3002\u5355\u4f4d\u4e3a\u74e6\u6bcf\u7c73\u5f00\u5c14\u6587\uff08W\/m\u00b7K\uff09\u3002\u70ed\u5bfc\u7387\u8d8a\u4f4e\uff0c\u6750\u6599\u7684\u7edd\u70ed\u6027\u80fd\u8d8a\u597d\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u70ed\u5bfc\u7387\u5b9a\u4e49\u4e3a\uff1a<\/p>\n<p>\n  <i>Q = -k \\frac{dT}{dx}<\/i>\n<\/p>\n<p>\u8fd9\u91cc\uff0c<i>Q<\/i> \u662f\u901a\u8fc7\u6750\u6599\u4f20\u9012\u7684\u70ed\u6d41\u91cf\uff0c<i>dT<\/i> \u662f\u6e29\u5ea6\u68af\u5ea6\uff0c\u800c <i>dx<\/i> \u662f\u70ed\u6d41\u901a\u8fc7\u7684\u8ddd\u79bb\u3002<\/p>\n<h2>\u5e38\u89c1\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387<\/h2>\n<p><u1><\/p>\n<li>\u6ce1\u6cab\u805a\u82ef\u4e59\u70ef\uff08EPS\uff09: 0.03-0.04 W\/m\u00b7K<\/li>\n<li>\u805a\u6c28\u916f\u6ce1\u6cab: 0.02-0.03 W\/m\u00b7K<\/li>\n<li>\u73bb\u7483\u68c9: 0.030-0.045 W\/m\u00b7K<\/li>\n<li>\u9676\u74f7\u7ea4\u7ef4: 0.02-0.05 W\/m\u00b7K<\/li>\n<p><\/u1><\/p>\n<p>\u8fd9\u4e9b\u6750\u6599\u56e0\u5176\u4f4e\u70ed\u5bfc\u7387\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5efa\u7b51\u3001\u51b7\u85cf\u7bb1\u548c\u5de5\u4e1a\u8bbe\u5907\u4e2d\u4ee5\u51cf\u5c11\u70ed\u91cf\u635f\u5931\u3002<\/p>\n<h2>\u5f71\u54cd\u70ed\u5bfc\u7387\u7684\u56e0\u7d20<\/h2>\n<p>\u591a\u79cd\u56e0\u7d20\u4f1a\u5f71\u54cd\u7edd\u7f18\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff0c\u8fd9\u4e9b\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n<p><o1><\/p>\n<li>\u6750\u8d28: \u4e0d\u540c\u6750\u6599\u7684\u5206\u5b50\u7ed3\u6784\u548c\u5bc6\u5ea6\u4f1a\u5f71\u54cd\u5176\u70ed\u5bfc\u7387\u3002<\/li>\n<li>\u6e29\u5ea6: \u6750\u6599\u7684\u70ed\u5bfc\u7387\u901a\u5e38\u968f\u6e29\u5ea6\u53d8\u5316\u800c\u53d8\u5316\u3002<\/li>\n<li>\u6e7f\u5ea6: \u542b\u6c34\u91cf\u9ad8\u7684\u6750\u6599\uff0c\u5176\u70ed\u5bfc\u7387\u901a\u5e38\u8f83\u9ad8\u3002<\/li>\n<li>\u5bc6\u5ea6: \u5bc6\u5ea6\u9ad8\u7684\u7edd\u7f18\u6750\u6599\u70ed\u5bfc\u7387\u901a\u5e38\u8f83\u4f4e\uff0c\u4f46\u8fd9\u4e5f\u53d6\u51b3\u4e8e\u6750\u6599\u7684\u5185\u90e8\u7ed3\u6784\u3002<\/li>\n<p><\/o1><\/p>\n<h2>\u5982\u4f55\u51cf\u5c11\u70ed\u4f20\u9012\uff1f<\/h2>\n<p>\u4e3a\u4e86\u51cf\u5c11\u70ed\u91cf\u900f\u8fc7\u7edd\u7f18\u6750\u6599\u4f20\u9012\uff0c\u53ef\u4ee5\u91c7\u7528\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><u1><\/p>\n<li>\u589e\u52a0\u6750\u6599\u539a\u5ea6: \u589e\u52a0\u539a\u5ea6\u53ef\u4ee5\u964d\u4f4e\u70ed\u6d41\u91cf\u3002<\/li>\n<li>\u9009\u62e9\u70ed\u5bfc\u7387\u66f4\u4f4e\u7684\u6750\u6599: \u4f7f\u7528\u5982\u805a\u6c28\u916f\u6ce1\u6cab\u7b49\u70ed\u5bfc\u7387\u4f4e\u7684\u6750\u6599\u3002<\/li>\n<li>\u591a\u5c42\u7ed3\u6784: \u4f7f\u7528\u591a\u5c42\u6750\u6599\u7ec4\u5408\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u70ed\u4f20\u9012\u3002<\/li>\n<li>\u51cf\u5c11\u6e7f\u5ea6: 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