{"id":720625,"date":"2024-09-15T14:24:32","date_gmt":"2024-09-15T13:24:32","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=720625"},"modified":"2024-09-15T14:24:32","modified_gmt":"2024-09-15T13:24:32","slug":"%e7%83%ad%e5%af%bc%e7%8e%87%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e7%94%b5%e5%ad%90%e8%ae%be%e5%a4%87","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%83%ad%e5%af%bc%e7%8e%87%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e7%94%b5%e5%ad%90%e8%ae%be%e5%a4%87\/","title":{"rendered":"\u70ed\u5bfc\u7387\u5982\u4f55\u5f71\u54cd\u7535\u5b50\u8bbe\u5907"},"content":{"rendered":"<p class=\"sidekick\">\u70ed\u5bfc\u7387\u5bf9\u7535\u5b50\u8bbe\u5907\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4e86\u89e3\u5982\u4f55\u901a\u8fc7\u4f18\u5316\u70ed\u5bfc\u7387\u6539\u5584\u6563\u70ed\u6548\u7387\uff0c\u63d0\u5347\u8bbe\u5907\u5bff\u547d\u548c\u8fd0\u884c\u7a33\u5b9a\u6027\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u70ed\u5bfc\u7387\u5982\u4f55\u5f71\u54cd\u7535\u5b50\u8bbe\u5907.png\" alt=\"\u70ed\u5bfc\u7387\u5982\u4f55\u5f71\u54cd\u7535\u5b50\u8bbe\u5907\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u70ed\u5bfc\u7387\u5982\u4f55\u5f71\u54cd\u7535\u5b50\u8bbe\u5907<\/h2>\n<p>\u5728\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u70ed\u5bfc\u7387\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u53c2\u6570\u3002\u70ed\u5bfc\u7387\u63cf\u8ff0\u7684\u662f\u4e00\u79cd\u6750\u6599\u4f20\u9012\u70ed\u91cf\u7684\u80fd\u529b\uff0c\u5bf9\u4e8e\u4fdd\u8bc1\u7535\u5b50\u8bbe\u5907\u7684\u7a33\u5b9a\u6027\u548c\u5bff\u547d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u70ed\u5bfc\u7387\u5982\u4f55\u5f71\u54cd\u7535\u5b50\u8bbe\u5907\u7684\u6027\u80fd\u53ca\u5176\u91cd\u8981\u6027\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u70ed\u5bfc\u7387\uff1f<\/h2>\n<p>\u70ed\u5bfc\u7387\uff08Thermal conductivity\uff09\uff0c\u901a\u5e38\u4ee5\u7b26\u53f7 <i>k<\/i> \u8868\u793a\uff0c\u662f\u6750\u6599\u4f20\u70ed\u80fd\u529b\u7684\u5ea6\u91cf\u5355\u4f4d\u3002\u5b83\u7684\u5b9a\u4e49\u662f\u5355\u4f4d\u6e29\u5ea6\u68af\u5ea6\u4e0b\u901a\u8fc7\u5355\u4f4d\u9762\u79ef\u7684\u70ed\u6d41\u5bc6\u5ea6\u3002\u5176\u6570\u5b66\u8868\u8fbe\u5f0f\u4e3a\uff1a<\/p>\n<p>\n\\[ q = -k \\nabla T \\]\n<\/p>\n<p>\u8fd9\u91cc\uff0c<i>q<\/i> \u8868\u793a\u70ed\u6d41\u5bc6\u5ea6\uff0c<i>k<\/i> \u662f\u70ed\u5bfc\u7387\uff0c\u2207T \u662f\u6e29\u5ea6\u68af\u5ea6\u3002\u8fd9\u610f\u5473\u7740\u70ed\u5bfc\u7387\u8d8a\u9ad8\u7684\u6750\u6599\uff0c\u4f20\u9012\u70ed\u91cf\u7684\u6548\u7387\u8d8a\u9ad8\u3002<\/p>\n<h2>\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u70ed\u5bfc\u7387<\/h2>\n<p>\u7535\u5b50\u8bbe\u5907\u5728\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u70ed\u91cf\u3002\u5982\u679c\u8fd9\u4e9b\u70ed\u91cf\u4e0d\u80fd\u53ca\u65f6\u5730\u6563\u53d1\u51fa\u53bb\uff0c\u5c31\u4f1a\u5bfc\u81f4\u8bbe\u5907\u6e29\u5ea6\u5347\u9ad8\uff0c\u4ece\u800c\u5f71\u54cd\u5176\u6027\u80fd\u548c\u5bff\u547d\u3002\u9ad8\u70ed\u5bfc\u7387\u7684\u6750\u6599\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u6563\u70ed\uff0c\u4fdd\u6301\u8bbe\u5907\u5728\u5b89\u5168\u7684\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u5185\u3002<\/p>\n<ul>\n<li> <b>\u7ec4\u4ef6\u6563\u70ed\uff1a<\/b> \u7535\u5b50\u8bbe\u5907\u4e2d\uff0cCPU\u3001GPU\u7b49\u5173\u952e\u7ec4\u4ef6\u5728\u5de5\u4f5c\u65f6\u4f1a\u4ea7\u751f\u5927\u91cf\u70ed\u91cf\u3002\u82e5\u70ed\u5bfc\u7387\u8f83\u9ad8\u7684\u6750\u6599\u5e94\u7528\u5728\u8fd9\u4e9b\u90e8\u4f4d\uff0c\u5c31\u80fd\u66f4\u5feb\u5730\u5c06\u70ed\u91cf\u6563\u53d1\u51fa\u53bb\u3002 <\/li>\n<li> <b>\u5c01\u88c5\u6750\u6599\uff1a<\/b> \u5728\u5fae\u7535\u5b50\u5668\u4ef6\u4e2d\uff0c\u5c01\u88c5\u6750\u6599\u7684\u9009\u62e9\u4e5f\u53d6\u51b3\u4e8e\u5176\u70ed\u5bfc\u7387\u3002\u9ad8\u70ed\u5bfc\u7387\u5c01\u88c5\u6750\u6599\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u70ed\u91cf\u5728\u82af\u7247\u5185\u90e8\u7684\u79ef\u7d2f\u3002 <\/li>\n<li> <b>\u6563\u70ed\u5668\uff1a<\/b> \u6563\u70ed\u7247\u548c\u6563\u70ed\u98ce\u6247\u901a\u5e38\u7531\u9ad8\u70ed\u5bfc\u7387\u7684\u91d1\u5c5e\u5236\u6210\uff0c\u5982\u94dc\u6216\u94dd\u3002\u8fd9\u4e9b\u6750\u6599\u5e2e\u52a9\u5c06\u70ed\u91cf\u4ece\u7535\u5b50\u5143\u4ef6\u4e2d\u5feb\u901f\u4f20\u5bfc\u51fa\u6765\uff0c\u518d\u901a\u8fc7\u5bf9\u6d41\u3001\u4f20\u5bfc\u548c\u8f90\u5c04\u7b49\u65b9\u5f0f\u6563\u53d1\u5230\u5468\u56f4\u73af\u5883\u4e2d\u3002 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