{"id":739838,"date":"2024-10-03T05:31:31","date_gmt":"2024-10-03T04:31:31","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=739838"},"modified":"2024-10-03T05:31:31","modified_gmt":"2024-10-03T04:31:31","slug":"%e8%be%90%e5%b0%84%e9%99%8d%e6%b8%a9%e6%9d%90%e6%96%99","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e8%be%90%e5%b0%84%e9%99%8d%e6%b8%a9%e6%9d%90%e6%96%99\/","title":{"rendered":"\u8f90\u5c04\u964d\u6e29\u6750\u6599"},"content":{"rendered":"<p class=\"sidekick\">\u8f90\u5c04\u964d\u6e29\u6750\u6599\u901a\u8fc7\u53cd\u5c04\u9633\u5149\u548c\u8f90\u5c04\u70ed\u91cf\u6765\u964d\u4f4e\u7269\u4f53\u8868\u9762\u6e29\u5ea6\uff0c\u8282\u80fd\u73af\u4fdd\uff0c\u9002\u7528\u4e8e\u5efa\u7b51\u3001\u6c7d\u8f66\u7b49\u9886\u57df\u7684\u9ad8\u6548\u964d\u6e29\u65b9\u6848\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u8f90\u5c04\u964d\u6e29\u6750\u6599.png\" alt=\"\u8f90\u5c04\u964d\u6e29\u6750\u6599\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u8f90\u5c04\u964d\u6e29\u6750\u6599<\/h2>\n<p>\u8f90\u5c04\u964d\u6e29\u6750\u6599\u662f\u8fd1\u5e74\u6765\u7814\u7a76\u548c\u5e94\u7528\u7684\u70ed\u70b9\u3002\u8fd9\u7c7b\u6750\u6599\u80fd\u591f\u901a\u8fc7\u8f90\u5c04\u6563\u70ed\uff0c\u5b9e\u73b0\u7269\u4f53\u7684\u964d\u6e29\u6548\u679c\uff0c\u7279\u522b\u5728\u65e0\u7535\u529b\u6216\u5c11\u7535\u529b\u73af\u5883\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8f90\u5c04\u964d\u6e29\u6750\u6599\u7684\u57fa\u672c\u539f\u7406\u3001\u7c7b\u578b\u4e0e\u5e94\u7528\u524d\u666f\u3002<\/p>\n<h2>\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u8f90\u5c04\u964d\u6e29\uff08Radiative Cooling\uff09\u662f\u4e00\u79cd\u5229\u7528\u5927\u6c14\u7a97\u53e3\u7684\u70ed\u8f90\u5c04\u539f\u7406\uff0c\u901a\u8fc7\u5411\u5916\u592a\u7a7a\u53d1\u5c04\u70ed\u91cf\uff0c\u4ece\u800c\u964d\u4f4e\u7269\u4f53\u6e29\u5ea6\u7684\u6280\u672f\u3002\u5927\u6c14\u7a97\u53e3\u6307\u7684\u662f8\u81f313\u5fae\u7c73\u6ce2\u957f\u8303\u56f4\u5185\uff0c\u5927\u6c14\u5c42\u5bf9\u7ea2\u5916\u8f90\u5c04\u51e0\u4e4e\u900f\u660e\uff0c\u5141\u8bb8\u70ed\u91cf\u7a7f\u900f\u5e76\u53d1\u5c04\u5230\u5916\u592a\u7a7a\u3002<\/p>\n<p>\u6839\u636e\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b\uff08Stefan-Boltzmann Law\uff09\uff0c\u4efb\u4f55\u7269\u4f53\u90fd\u4ee5\u7535\u78c1\u6ce2\u7684\u5f62\u5f0f\u8f90\u5c04\u80fd\u91cf\uff0c\u8f90\u5c04\u5f3a\u5ea6\u4e0e\u6e29\u5ea6\u7684\u56db\u6b21\u65b9\u6210\u6b63\u6bd4\uff1a<\/p>\n<p style=\"text-align: center;\">\\( P = \\sigma \\epsilon A T^4 \\)<\/p>\n<ul>\n<li>P\u4e3a\u8f90\u5c04\u529f\u7387\uff08\u5355\u4f4dW\uff09\uff0c<\/li>\n<li>\u03c3\u4e3a\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5e38\u6570\uff0c\u53d6\u503c\u4e3a5.67 \u00d7 10<sup>-8<\/sup> W\/m\u00b2K<sup>4<\/sup>\uff0c<\/li>\n<li>\u03b5\u4e3a\u6750\u6599\u7684\u53d1\u5c04\u7387\uff0c<\/li>\n<li>A\u4e3a\u6750\u6599\u8868\u9762\u79ef\uff08\u5355\u4f4dm\u00b2\uff09\uff0c<\/li>\n<li>T\u4e3a\u6750\u6599\u7684\u7edd\u5bf9\u6e29\u5ea6\uff08\u5355\u4f4dK\uff09\u3002<\/li>\n<\/ul>\n<h2>\u8f90\u5c04\u964d\u6e29\u6750\u6599\u7684\u7c7b\u578b<\/h2>\n<p>\u8f90\u5c04\u964d\u6e29\u6750\u6599\u6839\u636e\u5176\u7ed3\u6784\u548c\u529f\u80fd\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<ol>\n<li><strong>\u9009\u62e9\u6027\u53d1\u5c04\u6750\u6599<\/strong>\uff1a\u8fd9\u7c7b\u6750\u6599\u901a\u8fc7\u7eb3\u7c73\u7ed3\u6784\u548c\u5206\u5b50\u8bbe\u8ba1\uff0c\u7279\u5b9a\u6ce2\u957f\u8303\u56f4\u5185\u5177\u6709\u9ad8\u53d1\u5c04\u7387\uff0c\u4f8b\u5982\u5e38\u89c1\u7684\u6c27\u5316\u9541\uff08MgO\uff09\uff0c\u94dd\u6c27\u5316\u819c\u7b49\u3002<\/li>\n<li><strong>\u8d85\u8868\u9762\u6750\u6599<\/strong>\uff1a\u901a\u8fc7\u7279\u6b8a\u7684\u7eb3\u7c73\u5fae\u7ed3\u6784\u8bbe\u8ba1\uff0c\u8d85\u8868\u9762\u6750\u6599\u5728\u7279\u5b9a\u9891\u7387\u8303\u56f4\u5185\u5177\u5907\u9ad8\u53cd\u5c04\u7387\u548c\u9ad8\u53d1\u5c04\u7387\u3002<\/li>\n<li><strong>\u91cf\u5b50\u6750\u6599<\/strong>\uff1a\u5229\u7528\u91cf\u5b50\u70b9\u6216\u91cf\u5b50\u9631\u7b49\u7ed3\u6784\uff0c\u6709\u6548\u8c03\u63a7\u8f90\u5c04\u5149\u8c31\uff0c\u5b9e\u73b0\u4f18\u5f02\u7684\u8f90\u5c04\u964d\u6e29\u6548\u679c\u3002<\/li>\n<li><strong>\u590d\u5408\u6d82\u5c42<\/strong>\uff1a\u901a\u8fc7\u5c06\u591a\u79cd\u6750\u6599\u590d\u5408\uff0c\u5229\u7528\u5176\u5404\u81ea\u7684\u4f18\u70b9\uff0c\u5236\u6210\u5177\u6709\u4f18\u5f02\u6027\u80fd\u7684\u8f90\u5c04\u964d\u6e29\u6d82\u5c42\u3002<\/li>\n<\/ol>\n<h2>\u5e94\u7528\u524d\u666f<\/h2>\n<p>\u8f90\u5c04\u964d\u6e29\u6750\u6599\u5728\u591a\u4e2a\u9886\u57df\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\uff1a<\/p>\n<ul>\n<li>\u5efa\u7b51\u8282\u80fd\uff1a\u53ef\u4ee5\u7528\u4e8e\u5efa\u7b51\u8868\u9762\u6d82\u5c42\uff0c\u663e\u8457\u964d\u4f4e\u5efa\u7b51\u7269\u7684\u7a7a\u8c03\u80fd\u8017\u3002<\/li>\n<li>\u8f66\u8239\u964d\u6e29\uff1a\u7528\u4e8e\u6c7d\u8f66\u3001\u8239\u8236\u5916\u8868\u9762\u6d82\u5c42\uff0c\u51cf\u5c11\u9a7e\u9a76\u8231\u5ba4\u5185\u6e29\u5ea6\uff0c\u63d0\u5347\u4e58\u5750\u8212\u9002\u5ea6\u5e76\u8282\u7701\u71c3\u6cb9\/\u7535\u529b\u6d88\u8017\u3002<\/li>\n<li>\u592a\u9633\u80fd\u8bbe\u5907\uff1a\u63d0\u5347\u592a\u9633\u80fd\u7535\u6c60\u677f\u7684\u8f6c\u5316\u6548\u7387\uff0c\u907f\u514d\u5176\u56e0\u8fc7\u70ed\u800c\u6548\u7387\u4e0b\u964d\u3002<\/li>\n<li>\u822a\u5929\u5668\uff1a\u7528\u4e8e\u536b\u661f\u548c\u5b87\u5b99\u98de\u8239\u8868\u9762\u6563\u70ed\uff0c\u4fdd\u6301\u8bbe\u5907\u5728\u592a\u7a7a\u4e2d\u7684\u6b63\u5e38\u8fd0\u884c\u6e29\u5ea6\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0c\u8f90\u5c04\u964d\u6e29\u6750\u6599\u5177\u6709\u5de8\u5927\u7684\u5e94\u7528\u6f5c\u529b\u548c\u5e02\u573a\u524d\u666f\uff0c\u968f\u7740\u6750\u6599\u79d1\u5b66\u548c\u7eb3\u7c73\u6280\u672f\u7684\u53d1\u5c55\uff0c\u8fd9\u4e00\u9886\u57df\u5c06\u8fce\u6765\u66f4\u591a\u521b\u65b0\u548c\u7a81\u7834\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f90\u5c04\u964d\u6e29\u6750\u6599\u901a\u8fc7\u53cd\u5c04\u9633\u5149\u548c\u8f90\u5c04\u70ed\u91cf\u6765\u964d\u4f4e\u7269\u4f53\u8868\u9762\u6e29\u5ea6\uff0c\u8282\u80fd\u73af\u4fdd\uff0c\u9002\u7528\u4e8e\u5efa\u7b51\u3001\u6c7d\u8f66\u7b49\u9886\u57df\u7684\u9ad8\u6548\u964d\u6e29\u65b9\u6848\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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