{"id":726987,"date":"2024-08-03T00:01:08","date_gmt":"2024-08-02T23:01:08","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=726987"},"modified":"2024-08-03T00:01:08","modified_gmt":"2024-08-02T23:01:08","slug":"%e5%9b%ba%e4%bd%93%e4%b8%ad%e7%9a%84%e4%b8%89%e7%a7%8d%e5%af%bc%e7%83%ad%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%9b%ba%e4%bd%93%e4%b8%ad%e7%9a%84%e4%b8%89%e7%a7%8d%e5%af%bc%e7%83%ad%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u56fa\u4f53\u4e2d\u7684\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b"},"content":{"rendered":"<p class=\"sidekick\">\u56fa\u4f53\u4e2d\u7684\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b\uff1a\u7406\u89e3\u5bfc\u70ed\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u7684\u57fa\u672c\u539f\u7406\uff0c\u53ca\u5176\u5728\u4e0d\u540c\u6750\u6599\u548c\u5e94\u7528\u4e2d\u7684\u5b9e\u9645\u6548\u679c\uff0c\u52a9\u4f60\u638c\u63e1\u70ed\u5de5\u5b66\u57fa\u7840\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u56fa\u4f53\u4e2d\u7684\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b.png\" alt=\"\u56fa\u4f53\u4e2d\u7684\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u56fa\u4f53\u4e2d\u7684\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b<\/h2>\n<p>\u5728\u70ed\u5de5\u5b66\u4e2d\uff0c\u5bfc\u70ed\u662f\u6307\u70ed\u91cf\u4ece\u9ad8\u6e29\u533a\u57df\u4f20\u9012\u5230\u4f4e\u6e29\u533a\u57df\u7684\u8fc7\u7a0b\u3002\u5728\u56fa\u4f53\u4e2d\uff0c\u5bfc\u70ed\u4e3b\u8981\u901a\u8fc7\u4e09\u79cd\u7c7b\u578b\u8fdb\u884c\uff1a\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u3002\u6bcf\u79cd\u65b9\u5f0f\u90fd\u6709\u5176\u72ec\u7279\u7684\u673a\u5236\u548c\u7279\u6027\u3002<\/p>\n<h2>1. \u4f20\u5bfc<\/h2>\n<p>\u4f20\u5bfc\u662f\u56fa\u4f53\u4e2d\u6700\u5e38\u89c1\u7684\u5bfc\u70ed\u65b9\u5f0f\u3002\u5b83\u4f9d\u8d56\u4e8e\u70ed\u7684\u76f4\u63a5\u4f20\u9012\uff0c\u901a\u8fc7\u539f\u5b50\u6216\u5206\u5b50\u7684\u632f\u52a8\u8fdb\u884c\u3002\u5728\u91d1\u5c5e\u4e2d\uff0c\u5bfc\u70ed\u56e0\u81ea\u7531\u7535\u5b50\u7684\u79fb\u52a8\u800c\u663e\u8457\u589e\u5f3a\u3002\u4f20\u5bfc\u7684\u6548\u7387\u53ef\u4ee5\u7528\u5085\u91cc\u53f6\u5bfc\u70ed\u5b9a\u5f8b\u6765\u63cf\u8ff0\uff0c\u5176\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\n<code><br \/>\nq = -k \\frac{dT}{dx}<br \/>\n<\/code>\n<\/p>\n<ul>\n<li>q\uff1a\u70ed\u6d41\u5bc6\u5ea6<\/li>\n<li>k\uff1a\u6750\u6599\u7684\u70ed\u5bfc\u7387<\/li>\n<li>dT\/dx\uff1a\u6e29\u5ea6\u68af\u5ea6<\/li>\n<\/ul>\n<h2>2. \u5bf9\u6d41<\/h2>\n<p>\u5bf9\u6d41\u901a\u5e38\u5728\u6db2\u4f53\u548c\u6c14\u4f53\u4e2d\u6bd4\u8f83\u5e38\u89c1\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5728\u56fa\u4f53\u4e2d\u53d1\u751f\uff0c\u5c24\u5176\u662f\u5728\u5b54\u9699\u5ea6\u8f83\u9ad8\u7684\u6750\u6599\u4e2d\u3002\u5bf9\u6d41\u6d89\u53ca\u7269\u8d28\u7684\u5927\u5757\u79fb\u52a8\uff0c\u8fd9\u4e0e\u4f20\u5bfc\u4e2d\u5fae\u89c2\u7684\u539f\u5b50\u6216\u5206\u5b50\u8fd0\u52a8\u4e0d\u540c\u3002\u81ea\u7136\u5bf9\u6d41\u548c\u5f3a\u5236\u5bf9\u6d41\u662f\u5bf9\u6d41\u7684\u4e24\u79cd\u4e3b\u8981\u5f62\u5f0f\u3002<\/p>\n<h2>3. \u8f90\u5c04<\/h2>\n<p>\u8f90\u5c04\u662f\u901a\u8fc7\u7535\u78c1\u6ce2\u8fdb\u884c\u7684\u70ed\u91cf\u4f20\u9012\u3002\u6bcf\u4e2a\u7269\u4f53\u90fd\u4f1a\u4ee5\u67d0\u4e00\u6e29\u5ea6\u8f90\u5c04\u80fd\u91cf\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u4e0d\u9700\u8981\u4efb\u4f55\u7269\u8d28\u7684\u53c2\u4e0e\u3002\u8f90\u5c04\u7684\u70ed\u4f20\u9012\u53ef\u4ee5\u7528\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b\u6765\u63cf\u8ff0\uff0c\u5176\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\n<code><br \/>\nE = \\sigma T^4<br \/>\n<\/code>\n<\/p>\n<ul>\n<li>E\uff1a\u8f90\u5c04\u80fd\u91cf<\/li>\n<li>\\(\\sigma\\)\uff1a\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5e38\u6570<\/li>\n<li>T\uff1a\u7edd\u5bf9\u6e29\u5ea6\uff08\u5f00\u5c14\u6587\uff09<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5bfc\u70ed\u5728\u56fa\u4f53\u4e2d\u4e3b\u8981\u901a\u8fc7\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u8fdb\u884c\u3002\u4f20\u5bfc\u662f\u56fa\u4f53\u4e2d\u6700\u5e38\u89c1\u7684\u5bfc\u70ed\u65b9\u5f0f\uff0c\u901a\u8fc7\u539f\u5b50\u7684\u632f\u52a8\u4f20\u9012\u70ed\u91cf\uff1b\u5bf9\u6d41\u867d\u5c11\u89c1\uff0c\u4f46\u5728\u5b54\u9699\u6750\u6599\u4e2d\u4e5f\u53ef\u80fd\u51fa\u73b0\uff1b\u8f90\u5c04\u901a\u8fc7\u7535\u78c1\u6ce2\u4f20\u9012\u70ed\u91cf\uff0c\u4e0d\u9700\u8981\u4ecb\u8d28\u3002\u7406\u89e3\u8fd9\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u8bbe\u8ba1\u548c\u4f18\u5316\u70ed\u5de5\u7cfb\u7edf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56fa\u4f53\u4e2d\u7684\u4e09\u79cd\u5bfc\u70ed\u7c7b\u578b\uff1a\u7406\u89e3\u5bfc\u70ed\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u7684\u57fa\u672c\u539f\u7406\uff0c\u53ca\u5176\u5728\u4e0d\u540c\u6750\u6599\u548c\u5e94\u7528\u4e2d\u7684\u5b9e\u9645\u6548\u679c\uff0c\u52a9\u4f60\u638c\u63e1\u70ed\u5de5\u5b66\u57fa\u7840\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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