{"id":751183,"date":"2024-11-20T14:30:48","date_gmt":"2024-11-20T13:30:48","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=751183"},"modified":"2024-11-20T14:30:48","modified_gmt":"2024-11-20T13:30:48","slug":"%e7%ba%b3%e7%b1%b3%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e4%bc%a0%e5%af%bc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%ba%b3%e7%b1%b3%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e4%bc%a0%e5%af%bc\/","title":{"rendered":"\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u70ed\u4f20\u5bfc"},"content":{"rendered":"<p class=\"sidekick\">\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u70ed\u4f20\u5bfc\uff1a\u4e86\u89e3\u7eb3\u7c73\u6280\u672f\u5982\u4f55\u589e\u5f3a\u6750\u6599\u7684\u5bfc\u70ed\u6027\u80fd\uff0c\u53ca\u5176\u5728\u6563\u70ed\u3001\u7535\u5b50\u8bbe\u5907\u548c\u8282\u80fd\u9886\u57df\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n<p><img 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\u78b3\u7eb3\u7c73\u7ba1\u5177\u6709\u975e\u5e38\u9ad8\u7684\u70ed\u5bfc\u7387\uff0c\u5728\u9002\u5f53\u5206\u6563\u548c\u53d6\u5411\u63a7\u5236\u4e0b\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u590d\u5408\u6750\u6599\u7684\u6574\u4f53\u70ed\u4f20\u5bfc\u80fd\u529b\u3002<\/li>\n<li><b>\u77f3\u58a8\u70ef\u590d\u5408\u6750\u6599\uff1a<\/b> \u77f3\u58a8\u70ef\u662f\u53e6\u4e00\u79cd\u5177\u6709\u8d85\u9ad8\u70ed\u5bfc\u7387\u7684\u6750\u6599\u3002\u6dfb\u52a0\u5230\u57fa\u4f53\u6750\u6599\u4e2d\u540e\uff0c\u53ef\u5f62\u6210\u9ad8\u6548\u7684\u70ed\u901a\u8def\uff0c\u4ece\u800c\u63d0\u5347\u6750\u6599\u7684\u70ed\u4f20\u5bfc\u6027\u80fd\u3002<\/li>\n<li><b>\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u590d\u5408\u6750\u6599\uff1a<\/b> \u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\uff0c\u5982\u94f6\u3001\u94dc\u7b49\uff0c\u5177\u6709\u826f\u597d\u7684\u5bfc\u70ed\u6027\u80fd\uff0c\u63ba\u5165\u57fa\u4f53\u4e2d\u540e\u53ef\u4ee5\u589e\u5f3a\u6750\u6599\u7684\u70ed\u5bfc\u7387\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u70ed\u5bfc\u7387\u7684\u6d4b\u91cf\u548c\u8ba1\u7b97<\/h2>\n<p>\u4e3a\u4e86\u8bc4\u4f30\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u70ed\u4f20\u5bfc\u6027\u80fd\uff0c\u5e38\u5e38\u9700\u8981\u6d4b\u91cf\u5176\u70ed\u5bfc\u7387(thermal conductivity)\u3002\u70ed\u5bfc\u7387\u901a\u5e38\u7528\u7b26\u53f7\\( k \\)\u8868\u793a\uff0c\u5355\u4f4d\u4e3aW\/(m\u00b7K)\u3002\u70ed\u5bfc\u7387\u7684\u6d4b\u91cf\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5305\u62ec\u6fc0\u5149\u95ea\u5149\u6cd5\u3001\u4f20\u70ed\u5e73\u677f\u6cd5\u4ee5\u53ca\u70ed\u70b9\u6cd5\u7b49\u3002<\/p>\n<p>\u7406\u8bba\u4e0a\uff0c\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u70ed\u5bfc\u7387\u53ef\u4ee5\u901a\u8fc7\u67d0\u4e9b\u6a21\u578b\u8fdb\u884c\u4f30\u7b97\u3002\u4f8b\u5982\uff0c\\textit{Maxwell\u6a21\u578b}\u548c\\textit{Kapitza\u7535\u963b\u6a21\u578b}\u5e38\u7528\u4e8e\u63cf\u8ff0\u590d\u5408\u6750\u6599\u4e2d\u7eb3\u7c73\u586b\u6599\u5f15\u8d77\u7684\u5bfc\u70ed\u884c\u4e3a\u3002<\/p>\n<p><sub><br \/>\n    k_effective = k_matrix * \\frac{2k_particle + k_matrix + 2f(k_particle &#8211; k_matrix)}{2k_particle + k_matrix &#8211; f(k_particle &#8211; k_matrix)}<br \/>\n<\/sub><\/p>\n<h2>\u5e94\u7528\u9886\u57df<\/h2>\n<p>\u7531\u4e8e\u5176\u4f18\u5f02\u7684\u70ed\u4f20\u5bfc\u6027\u80fd\uff0c\u7eb3\u7c73\u590d\u5408\u6750\u6599\u5728\u591a\u4e2a\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u5305\u62ec\uff1a<\/p>\n<p><o1><\/p>\n<li>\u7535\u5b50\u8bbe\u5907\u70ed\u7ba1\u7406\uff1a\u7528\u4e8e\u5bfc\u70ed\u754c\u9762\u6750\u6599\uff08TIM\uff09\u3001\u6563\u70ed\u5668\u7b49\u3002<\/li>\n<li>\u70ed\u7535\u6750\u6599\uff1a\u63d0\u9ad8\u70ed\u7535\u8f6c\u6362\u6548\u7387\u3002<\/li>\n<li>\u822a\u7a7a\u822a\u5929\uff1a\u5728\u9ad8\u6e29\u7ed3\u6784\u6750\u6599\u4e2d\u7528\u4e8e\u70ed\u9632\u62a4\u3002<\/li>\n<li>\u80fd\u6e90\u9886\u57df\uff1a\u7528\u4e8e\u592a\u9633\u80fd\u7535\u6c60\u3001\u71c3\u6599\u7535\u6c60\u7b49\u70ed\u91cf\u7ba1\u7406\u7cfb\u7edf\u3002<\/li>\n<p><\/o1><\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u7eb3\u7c73\u590d\u5408\u6750\u6599\u56e0\u5176\u5728\u70ed\u4f20\u5bfc\u65b9\u9762\u7684\u4f18\u5f02\u6027\u80fd\uff0c\u5728\u79d1\u7814\u548c\u5de5\u4e1a\u5e94\u7528\u4e2d\u5177\u6709\u5de8\u5927\u7684\u6f5c\u529b\u3002\u672a\u6765\uff0c\u968f\u7740\u7eb3\u7c73\u6280\u672f\u548c\u6750\u6599\u79d1\u5b66\u7684\u4e0d\u65ad\u8fdb\u6b65\uff0c\u8fd9\u7c7b\u6750\u6599\u5c06\u5728\u66f4\u591a\u9886\u57df\u5c55\u73b0\u51fa\u5176\u72ec\u7279\u4ef7\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u70ed\u4f20\u5bfc\uff1a\u4e86\u89e3\u7eb3\u7c73\u6280\u672f\u5982\u4f55\u589e\u5f3a\u6750\u6599\u7684\u5bfc\u70ed\u6027\u80fd\uff0c\u53ca\u5176\u5728\u6563\u70ed\u3001\u7535\u5b50\u8bbe\u5907\u548c\u8282\u80fd\u9886\u57df\u7684\u5e94\u7528\u524d\u666f\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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