{"id":725370,"date":"2024-08-19T02:44:48","date_gmt":"2024-08-19T01:44:48","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=725370"},"modified":"2024-08-19T02:44:48","modified_gmt":"2024-08-19T01:44:48","slug":"%e7%83%ad%e5%af%bc%e8%81%9a%e5%90%88%e7%89%a9%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%83%ad%e5%af%bc%e8%81%9a%e5%90%88%e7%89%a9%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99\/","title":{"rendered":"\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599"},"content":{"rendered":"<p class=\"sidekick\">\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u662f\u4e00\u79cd\u9ad8\u6548\u5bfc\u70ed\u6750\u6599\uff0c\u901a\u8fc7\u805a\u5408\u7269\u4e0e\u5bfc\u70ed\u586b\u6599\u590d\u5408\uff0c\u6539\u5584\u6563\u70ed\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u7535\u5b50\u8bbe\u5907\u70ed\u7ba1\u7406\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599.png\" alt=\"\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599<\/h2>\n<p>\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u662f\u4e00\u7c7b\u901a\u8fc7\u5c06\u9ad8\u70ed\u5bfc\u6750\u6599\uff08\u5982\u91d1\u5c5e\u3001\u9676\u74f7\u6216\u78b3\u57fa\u6750\u6599\uff09\u4e0e\u805a\u5408\u7269\u57fa\u4f53\u76f8\u7ed3\u5408\u800c\u5236\u6210\u7684\u590d\u5408\u6750\u6599\u3002\u7531\u4e8e\u5176\u5728\u70ed\u7ba1\u7406\u65b9\u9762\u7684\u4f18\u5f02\u6027\u80fd\uff0c\u8fd9\u7c7b\u6750\u6599\u5728\u7535\u5b50\u3001\u7535\u6c14\u548c\u80fd\u6e90\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<h3>\u70ed\u5bfc\u7387\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n<p>\u70ed\u5bfc\u7387\uff08Thermal Conductivity\uff09\u662f\u8861\u91cf\u6750\u6599\u4f20\u5bfc\u70ed\u91cf\u80fd\u529b\u7684\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\u3002\u5b83\u901a\u5e38\u7528\u7b26\u53f7<em>k<\/em>\u8868\u793a\uff0c\u5355\u4f4d\u4e3a\u74e6\u7279\u6bcf\u7c73\u6bcf\u5f00\u5c14\u6587\uff08W\/m\u00b7K\uff09\u3002\u5bf9\u4e8e\u4efb\u4f55\u6750\u6599\uff0c\u70ed\u5bfc\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\\[ q = -k \\cdot \\nabla T \\]\n\u5176\u4e2d\uff0c<em>q<\/em>\u662f\u70ed\u6d41\u5bc6\u5ea6\uff0c<em>k<\/em>\u662f\u70ed\u5bfc\u7387\uff0c<em>\\nabla T<\/em>\u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n<h3>\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u7684\u4f18\u70b9<\/h3>\n<ul>\n<li>\u8f7b\u91cf\u5316\uff1a\u76f8\u6bd4\u4e8e\u7eaf\u91d1\u5c5e\u6216\u9676\u74f7\u6750\u6599\uff0c\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u66f4\u8f7b\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u7ed3\u6784\u91cd\u91cf\u3002<\/li>\n<li>\u53ef\u52a0\u5de5\u6027\u5f3a\uff1a\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u6613\u4e8e\u52a0\u5de5\u6210\u590d\u6742\u5f62\u72b6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6ce8\u5851\u3001\u6324\u51fa\u548c\u70ed\u538b\u7b49\u5de5\u827a\u8fdb\u884c\u5236\u9020\u3002<\/li>\n<li>\u6210\u672c\u6548\u76ca\uff1a\u867d\u7136\u9ad8\u5bfc\u70ed\u586b\u6599\u53ef\u80fd\u8f83\u8d35\uff0c\u4f46\u603b\u6210\u672c\u901a\u5e38\u4f4e\u4e8e\u7eaf\u91d1\u5c5e\u7b49\u9ad8\u5bfc\u70ed\u6027\u6750\u6599\u3002<\/li>\n<\/ul>\n<h3>\u5f71\u54cd\u70ed\u5bfc\u7387\u7684\u56e0\u7d20<\/h3>\n<p>\u5f71\u54cd\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u70ed\u5bfc\u7387\u7684\u4e3b\u8981\u56e0\u7d20\u5305\u62ec\u6750\u6599\u7684\u586b\u6599\u7c7b\u578b\u3001\u586b\u6599\u542b\u91cf\u3001\u586b\u6599\u5206\u5e03\u548c\u754c\u9762\u70ed\u963b\u7b49\u3002<\/p>\n<ol>\n<li>\u586b\u6599\u7c7b\u578b\uff1a\u4e0d\u540c\u7c7b\u578b\u7684\u586b\u6599\u5bf9\u70ed\u5bfc\u7387\u6709\u4e0d\u540c\u7684\u8d21\u732e\u6548\u679c\u3002\u4f8b\u5982\uff0c\u78b3\u7eb3\u7c73\u7ba1\u548c\u77f3\u58a8\u5177\u6709\u8f83\u9ad8\u7684\u70ed\u5bfc\u7387\uff0c\u800c\u67d0\u4e9b\u91d1\u5c5e\u6c27\u5316\u7269\u5219\u70ed\u5bfc\u7387\u8f83\u4f4e\u3002<\/li>\n<li>\u586b\u6599\u542b\u91cf\uff1a\u968f\u7740\u586b\u6599\u542b\u91cf\u7684\u589e\u52a0\uff0c\u6750\u6599\u7684\u6574\u4f53\u70ed\u5bfc\u7387\u901a\u5e38\u4f1a\u589e\u52a0\uff0c\u4f46\u540c\u65f6\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u53ef\u80fd\u4f1a\u53d7\u635f\u3002<\/li>\n<li>\u586b\u6599\u5206\u5e03\uff1a\u5747\u5300\u5206\u5e03\u7684\u586b\u6599\u6709\u52a9\u4e8e\u5f62\u6210\u70ed\u5bfc\u901a\u9053\uff0c\u4ece\u800c\u63d0\u9ad8\u590d\u5408\u6750\u6599\u7684\u70ed\u5bfc\u7387\u3002<\/li>\n<li>\u754c\u9762\u70ed\u963b\uff1a\u70ed\u5bfc\u7387\u8fd8\u53d7\u9650\u4e8e\u586b\u6599\u4e0e\u57fa\u4f53\u4e4b\u95f4\u7684\u754c\u9762\u70ed\u963b\uff08Thermal Boundary Resistance, TBR\uff09\u3002\u754c\u9762\u5904\u7406\u6280\u672f\u662f\u964d\u4f4e\u8fd9\u4e00\u70ed\u963b\u7684\u5173\u952e\u3002<\/li>\n<\/ol>\n<h3>\u5178\u578b\u5e94\u7528<\/h3>\n<p>\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u5728\u8bb8\u591a\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<ul>\n<li>\u7535\u5b50\u8bbe\u5907\u7684\u6563\u70ed\u5668\u548c\u5bfc\u70ed\u57ab\u7247\u3002<\/li>\n<li>LED\u706f\u5177\u7684\u6563\u70ed\u90e8\u4ef6\u3002<\/li>\n<li>\u7535\u6c60\u6a21\u5757\u548c\u51b7\u5374\u7cfb\u7edf\u4e2d\u7684\u70ed\u7ba1\u7406\u90e8\u4ef6\u3002<\/li>\n<li>\u9ad8\u6027\u80fd\u8ba1\u7b97\u673a\u4e2d\u7684\u5bfc\u70ed\u6750\u6599\u3002<\/li>\n<\/ul>\n<h3>\u672a\u6765\u5c55\u671b<\/h3>\n<p>\u968f\u7740\u79d1\u6280\u7684\u8fdb\u6b65\uff0c\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u7684\u7814\u53d1\u65b9\u5411\u5df2\u7ecf\u4e0d\u9650\u4e8e\u63d0\u9ad8\u70ed\u5bfc\u7387\uff0c\u8fd8\u5305\u62ec\u63d0\u9ad8\u6750\u6599\u7684\u673a\u68b0\u5f3a\u5ea6\u3001\u8010\u73af\u5883\u6027\u80fd\u548c\u53ef\u52a0\u5de5\u6027\u3002\u8fdb\u4e00\u6b65\u7684\u7814\u7a76\u5c06\u96c6\u4e2d\u5728\u591a\u529f\u80fd\u590d\u5408\u6750\u6599\u7684\u8bbe\u8ba1\u4e0e\u5236\u9020\u4e0a\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u884c\u4e1a\u7684\u9700\u6c42\u3002<\/p>\n<p>\u603b\u4f53\u800c\u8a00\uff0c\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u4f5c\u4e3a\u4e00\u79cd\u5177\u6709\u5e7f\u6cdb\u5e94\u7528\u524d\u666f\u7684\u65b0\u578b\u6750\u6599\uff0c\u5176\u53d1\u5c55\u5c06\u5bf9\u70ed\u7ba1\u7406\u9886\u57df\u5e26\u6765\u91cd\u5927\u7a81\u7834\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u70ed\u5bfc\u805a\u5408\u7269\u590d\u5408\u6750\u6599\u662f\u4e00\u79cd\u9ad8\u6548\u5bfc\u70ed\u6750\u6599\uff0c\u901a\u8fc7\u805a\u5408\u7269\u4e0e\u5bfc\u70ed\u586b\u6599\u590d\u5408\uff0c\u6539\u5584\u6563\u70ed\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u7535\u5b50\u8bbe\u5907\u70ed\u7ba1\u7406\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":"<!-- 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