{"id":730887,"date":"2024-09-15T04:27:42","date_gmt":"2024-09-15T03:27:42","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=730887"},"modified":"2024-09-15T04:27:42","modified_gmt":"2024-09-15T03:27:42","slug":"%e5%9f%ba%e4%ba%8e%e7%9f%b3%e5%a2%a8%e7%83%af%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e5%af%bc%e7%8e%87","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%9f%ba%e4%ba%8e%e7%9f%b3%e5%a2%a8%e7%83%af%e6%9d%90%e6%96%99%e7%9a%84%e7%83%ad%e5%af%bc%e7%8e%87\/","title":{"rendered":"\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u70ed\u5bfc\u7387"},"content":{"rendered":"<p class=\"sidekick\">\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u70ed\u5bfc\u7387\u5206\u6790\uff0c\u63a2\u8ba8\u5176\u5728\u70ed\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u4e0e\u4f18\u52bf\uff0c\u63ed\u793a\u8fd9\u79cd\u9769\u547d\u6027\u6750\u6599\u5982\u4f55\u63d0\u5347\u70ed\u4f20\u5bfc\u6027\u80fd\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u70ed\u5bfc\u7387.png\" alt=\"\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u70ed\u5bfc\u7387\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u70ed\u5bfc\u7387<\/h2>\n<p>\u77f3\u58a8\u70ef\u662f\u4e00\u79cd\u7531\u5355\u5c42\u78b3\u539f\u5b50\u6784\u6210\u7684\u4e8c\u7ef4\u6750\u6599\uff0c\u56e0\u5176\u4f18\u8d8a\u7684\u70ed\u5bfc\u548c\u7535\u5bfc\u6027\u80fd\u800c\u5907\u53d7\u77a9\u76ee\u3002\u5728\u70ed\u5de5\u7a0b\u9886\u57df\uff0c\u7814\u7a76\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4ec5\u5bf9\u63d0\u5347\u6750\u6599\u7684\u5bfc\u70ed\u6027\u80fd\u6709\u5de8\u5927\u7684\u6f5c\u529b\uff0c\u8fd8\u5728\u6563\u70ed\u3001\u70ed\u7ba1\u7406\u7b49\u5e94\u7528\u4e2d\u5c55\u73b0\u51fa\u5e7f\u6cdb\u524d\u666f\u3002<\/p>\n<h2>\u77f3\u58a8\u70ef\u7684\u7ed3\u6784\u4e0e\u7279\u6027<\/h2>\n<p>\u77f3\u58a8\u70ef\u7684\u72ec\u7279\u7279\u6027\u4e3b\u8981\u6765\u6e90\u4e8e\u5176\u8702\u7a9d\u72b6\u7684\u6676\u4f53\u7ed3\u6784\u3002\u78b3\u539f\u5b50\u4ee5sp<sup>2<\/sup>\u6742\u5316\u8f68\u9053\u5f62\u6210\u5f3a\u5065\u7684\u5171\u4ef7\u952e\uff0c\u4f7f\u5f97\u77f3\u58a8\u70ef\u4e0d\u4ec5\u5177\u6709\u9ad8\u673a\u68b0\u5f3a\u5ea6\uff0c\u8fd8\u8868\u73b0\u51fa\u6781\u9ad8\u7684\u70ed\u5bfc\u6027\u80fd\u3002<\/p>\n<h2>\u70ed\u5bfc\u7387\u7684\u5b9a\u4e49\u4e0e\u5355\u4f4d<\/h2>\n<p>\u70ed\u5bfc\u7387\uff0c\u7528\u7b26\u53f7<em>k<\/em>\u8868\u793a\uff0c\u662f\u6307\u6750\u6599\u4f20\u5bfc\u70ed\u91cf\u7684\u80fd\u529b\u3002\u5176\u5355\u4f4d\u901a\u5e38\u4e3a\u74e6\u6bcf\u7c73\u6bcf\u5f00\u5c14\u6587 (W\/m\u00b7K)\u3002\u70ed\u5bfc\u7387\u7684\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>k = \\(\\frac{Q}{A \\cdot \\Delta T \\cdot t}\\)<\/p>\n<p>\u5176\u4e2d\uff0c<em>Q<\/em>\u4e3a\u70ed\u6d41\uff08\u74e6\uff09\uff0c<em>A<\/em>\u4e3a\u70ed\u4f20\u5bfc\u7684\u9762\u79ef\uff08\u5e73\u65b9\u7c73\uff09\uff0c\\(\\Delta T\\)\u4e3a\u6e29\u5ea6\u5dee\uff08\u5f00\u5c14\u6587\uff09\uff0c<em>t<\/em>\u4e3a\u65f6\u95f4\uff08\u79d2\uff09\u3002<\/p>\n<h2>\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387<\/h2>\n<p>\u7814\u7a76\u8868\u660e\uff0c\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387\u53ef\u4ee5\u8fbe\u52302000 W\/m\u00b7K \u4ee5\u4e0a\uff0c\u6709\u4e9b\u5b9e\u9a8c\u751a\u81f3\u6d4b\u5f97\u63a5\u8fd15000 W\/m\u00b7K\u3002\u8fd9\u8fdc\u9ad8\u4e8e\u5e38\u89c1\u7684\u5bfc\u70ed\u6750\u6599\uff0c\u5982\u94dc\uff08\u7ea6400 W\/m\u00b7K\uff09\u548c\u94dd\uff08\u7ea6235 W\/m\u00b7K\uff09\u3002<\/p>\n<ul>\n<li><strong>\u5355\u5c42\u77f3\u58a8\u70ef<\/strong>\uff1a\u5355\u5c42\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387\u6700\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u52303500 W\/m\u00b7K.<\/li>\n<li><strong>\u591a\u5c42\u77f3\u58a8\u70ef<\/strong>\uff1a\u968f\u7740\u5c42\u6570\u7684\u589e\u52a0\uff0c\u70ed\u5bfc\u7387\u4f1a\u6709\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4e0b\u964d\uff0c\u4f46\u4ecd\u4fdd\u6301\u76f8\u5bf9\u8f83\u9ad8\u7684\u6c34\u5e73\u3002<\/li>\n<\/ul>\n<h2>\u5f71\u54cd\u77f3\u58a8\u70ef\u70ed\u5bfc\u7387\u7684\u56e0\u7d20<\/h2>\n<ol>\n<li><strong>\u6e29\u5ea6<\/strong>\uff1a\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387\u968f\u6e29\u5ea6\u53d8\u5316\u3002\u5728\u4f4e\u6e29\u6761\u4ef6\u4e0b\uff0c\u70ed\u5bfc\u7387\u8f83\u9ad8\uff1b\u800c\u5728\u9ad8\u6e29\u6761\u4ef6\u4e0b\uff0c\u70ed\u5bfc\u7387\u4f1a\u6709\u6240\u964d\u4f4e\u3002<\/li>\n<li><strong>\u7f3a\u9677\u4e0e\u6742\u8d28<\/strong>\uff1a\u77f3\u58a8\u70ef\u4e2d\u7684\u7ed3\u6784\u7f3a\u9677\u548c\u6742\u8d28\u4f1a\u663e\u8457\u964d\u4f4e\u5176\u70ed\u5bfc\u7387\u3002<\/li>\n<li><strong>\u5c42\u6570<\/strong>\uff1a\u5355\u5c42\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387\u6700\u9ad8\uff0c\u4f46\u968f\u7740\u5c42\u6570\u7684\u589e\u52a0\uff0c\u70ed\u5bfc\u7387\u4f1a\u4e0b\u964d\u3002<\/li>\n<\/ol>\n<h2>\u77f3\u58a8\u70ef\u5728\u70ed\u7ba1\u7406\u4e2d\u7684\u5e94\u7528<\/h2>\n<p>\u77f3\u58a8\u70ef\u7684\u9ad8\u70ed\u5bfc\u7387\u4f7f\u5176\u5728\u7535\u5b50\u5668\u4ef6\u3001\u822a\u7a7a\u822a\u5929\u3001\u6563\u70ed\u88c5\u7f6e\u7b49\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u6f5c\u529b\u3002\u4f8b\u5982\uff0c\u77f3\u58a8\u70ef\u53ef\u4ee5\u7528\u4e8e\u5236\u9020\u9ad8\u6548\u6563\u70ed\u7247\uff0c\u6709\u52a9\u4e8e\u7535\u5b50\u5143\u4ef6\u7684\u6563\u70ed\u7ba1\u7406\uff0c\u5ef6\u957f\u4f7f\u7528\u5bff\u547d\u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u77f3\u58a8\u70ef\u4f5c\u4e3a\u4e00\u79cd\u65b0\u5174\u7684\u6750\u6599\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u70ed\u5bfc\u7387\u5907\u53d7\u5173\u6ce8\u3002\u8fd9\u4e0d\u4ec5\u4e3a\u70ed\u5de5\u7a0b\u4e2d\u7684\u5e94\u7528\u5f00\u8f9f\u4e86\u65b0\u7684\u65b9\u5411\uff0c\u8fd8\u4e3a\u65b0\u6750\u6599\u7684\u7814\u7a76\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7075\u611f\u548c\u601d\u8def\u3002\u968f\u7740\u7814\u7a76\u7684\u6df1\u5165\u548c\u6280\u672f\u7684\u8fdb\u6b65\uff0c\u77f3\u58a8\u70ef\u6709\u671b\u5728\u672a\u6765\u7684\u70ed\u7ba1\u7406\u9886\u57df\u53d1\u6325\u66f4\u5927\u7684\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u4e8e\u77f3\u58a8\u70ef\u6750\u6599\u7684\u70ed\u5bfc\u7387\u5206\u6790\uff0c\u63a2\u8ba8\u5176\u5728\u70ed\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u4e0e\u4f18\u52bf\uff0c\u63ed\u793a\u8fd9\u79cd\u9769\u547d\u6027\u6750\u6599\u5982\u4f55\u63d0\u5347\u70ed\u4f20\u5bfc\u6027\u80fd\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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