{"id":718571,"date":"2024-12-13T18:08:44","date_gmt":"2024-12-13T17:08:44","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=718571"},"modified":"2024-12-13T18:08:44","modified_gmt":"2024-12-13T17:08:44","slug":"%e6%8d%a2%e7%83%ad%e5%99%a8%e6%80%a7%e8%83%bd%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%8d%a2%e7%83%ad%e5%99%a8%e6%80%a7%e8%83%bd%e5%88%86%e6%9e%90\/","title":{"rendered":"\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790"},"content":{"rendered":"<p class=\"sidekick\">\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790\uff1a\u4ecb\u7ecd\u6362\u70ed\u5668\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5f71\u54cd\u5176\u6027\u80fd\u7684\u5173\u952e\u56e0\u7d20\uff0c\u5e76\u63d0\u4f9b\u63d0\u9ad8\u6362\u70ed\u6548\u7387\u7684\u65b9\u6cd5\uff0c\u9002\u5408\u5de5\u7a0b\u521d\u5b66\u8005\u53ca\u70ed\u80fd\u7231\u597d\u8005\u9605\u8bfb\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790.png\" alt=\"\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790<\/h2>\n<p>\u6362\u70ed\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u4f20\u9012\u70ed\u91cf\u7684\u8bbe\u5907\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5316\u5de5\u3001\u77f3\u6cb9\u3001\u80fd\u6e90\u7b49\u9886\u57df\u3002\u4e3a\u4e86\u786e\u4fdd\u6362\u70ed\u5668\u7684\u9ad8\u6548\u8fd0\u884c\uff0c\u5bf9\u5176\u6027\u80fd\u8fdb\u884c\u5206\u6790\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<p><u1><\/p>\n<li>\u6362\u70ed\u6548\u7387<\/li>\n<li>\u538b\u964d<\/li>\n<li>\u4f20\u70ed\u7cfb\u6570<\/li>\n<li>\u6362\u70ed\u5668\u7c7b\u578b\u9009\u62e9<\/li>\n<p><\/u1><\/p>\n<h2>\u6362\u70ed\u6548\u7387<\/h2>\n<p>\u6362\u70ed\u6548\u7387\u4e3b\u8981\u8861\u91cf\u6362\u70ed\u5668\u5728\u5b9e\u9645\u8fd0\u884c\u4e2d\u4f20\u9012\u70ed\u91cf\u7684\u6709\u6548\u6027\u3002\u901a\u5e38\u91c7\u7528\u70ed\u5e73\u8861\u65b9\u7a0b\u8fdb\u884c\u8ba1\u7b97\uff1a<\/p>\n<p>Q = m * c * \u0394T<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>Q \u8868\u793a\u70ed\u91cf\u4f20\u9012\u91cf\uff08\u5355\u4f4d\uff1aJoules\uff09<\/li>\n<li>m \u8868\u793a\u6d41\u4f53\u7684\u8d28\u91cf\u6d41\u91cf\uff08\u5355\u4f4d\uff1akg\/s\uff09<\/li>\n<li>c \u8868\u793a\u6d41\u4f53\u7684\u6bd4\u70ed\u5bb9\uff08\u5355\u4f4d\uff1aJ\/kg\u00b7K\uff09<\/li>\n<li>\u0394T \u8868\u793a\u6e29\u5ea6\u53d8\u6362\uff08\u5355\u4f4d\uff1aK\uff09<\/li>\n<p><\/o1><\/p>\n<h2>\u538b\u964d<\/h2>\n<p>\u538b\u964d\u53cd\u6620\u4e86\u6362\u70ed\u5668\u5185\u6d41\u4f53\u901a\u8fc7\u65f6\u7684\u538b\u529b\u635f\u5931\u3002\u8f83\u5927\u7684\u538b\u964d\u8868\u660e\u6d41\u4f53\u5728\u6362\u70ed\u5668\u5185\u90e8\u6d41\u52a8\u963b\u529b\u8f83\u5927\uff0c\u53ef\u80fd\u5bfc\u81f4\u989d\u5916\u7684\u80fd\u8017\u3002\u538b\u964d\u4e00\u822c\u7531\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n<p>\u0394P = f * (\\frac{L}{D}) * (\\frac{\u03c1 * v^2}{2})<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>\u0394P \u8868\u793a\u538b\u964d\uff08\u5355\u4f4d\uff1aPa\uff09<\/li>\n<li>f \u8868\u793a\u6469\u64e6\u56e0\u6570<\/li>\n<li>L \u8868\u793a\u6362\u70ed\u5668\u7ba1\u957f\uff08\u5355\u4f4d\uff1am\uff09<\/li>\n<li>D \u8868\u793a\u7ba1\u5f84\uff08\u5355\u4f4d\uff1am\uff09<\/li>\n<li>\u03c1 \u8868\u793a\u6d41\u4f53\u5bc6\u5ea6\uff08\u5355\u4f4d\uff1akg\/m<sup>3<\/sup>\uff09<\/li>\n<li>v \u8868\u793a\u6d41\u4f53\u901f\u5ea6\uff08\u5355\u4f4d\uff1am\/s\uff09<\/li>\n<p><\/o1><\/p>\n<h2>\u4f20\u70ed\u7cfb\u6570<\/h2>\n<p>\u4f20\u70ed\u7cfb\u6570\u662f\u8868\u5f81\u6362\u70ed\u5668\u4f20\u70ed\u5f3a\u5ea6\u7684\u91cd\u8981\u53c2\u6570\uff0c\u5176\u5355\u4f4d\u4e3aW\/(m<sup>2<\/sup>\u00b7K)\u3002\u4f20\u70ed\u7cfb\u6570\u8d8a\u9ad8\uff0c\u6362\u70ed\u5668\u7684\u4f20\u70ed\u6548\u679c\u8d8a\u597d\u3002\u4f20\u70ed\u7cfb\u6570\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u6c42\u5f97\uff1a<\/p>\n<p>U = (\\frac{1}{(\\frac{1}{h<sub>1<\/sub>} + \\frac{\u03b4}{k} + \\frac{1}{h<sub>2<\/sub>)})<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>U \u8868\u793a\u603b\u4f20\u70ed\u7cfb\u6570<\/li>\n<li>h<sub>1<\/sub> \u8868\u793a\u7ba1\u5185\u6d41\u4f53\u7684\u5bf9\u6d41\u4f20\u70ed\u7cfb\u6570<\/li>\n<li>h<sub>2<\/sub> \u8868\u793a\u7ba1\u5916\u6d41\u4f53\u7684\u5bf9\u6d41\u4f20\u70ed\u7cfb\u6570<\/li>\n<li>\u03b4 \u8868\u793a\u7ba1\u58c1\u539a\u5ea6<\/li>\n<li>k \u8868\u793a\u7ba1\u6750\u7684\u5bfc\u70ed\u7cfb\u6570<\/li>\n<p><\/o1><\/p>\n<h2>\u6362\u70ed\u5668\u7c7b\u578b\u9009\u62e9<\/h2>\n<p>\u6362\u70ed\u5668\u7684\u7c7b\u578b\u6709\u5f88\u591a\uff0c\u5305\u62ec\u7ba1\u58f3\u5f0f\u6362\u70ed\u5668\u3001\u677f\u5f0f\u6362\u70ed\u5668\u3001\u7a7a\u6c14\u51b7\u5374\u5668\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u6362\u70ed\u5668\u7c7b\u578b\uff0c\u9700\u8003\u8651\u6362\u70ed\u6548\u7387\u3001\u6210\u672c\u9884\u7b97\u3001\u64cd\u4f5c\u6761\u4ef6\u7b49\u591a\u4e2a\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u6362\u70ed\u5668\u7c7b\u578b\u53ca\u5176\u7279\u70b9\uff1a<\/p>\n<p><u1><\/p>\n<li>\u7ba1\u58f3\u5f0f\u6362\u70ed\u5668\uff1a\u7ed3\u6784\u7b80\u5355\uff0c\u9002\u7528\u8303\u56f4\u5e7f\uff0c\u9002\u5408\u5904\u7406\u9ad8\u6e29\u3001\u9ad8\u538b\u6d41\u4f53\u3002<\/li>\n<li>\u677f\u5f0f\u6362\u70ed\u5668\uff1a\u6362\u70ed\u6548\u7387\u9ad8\uff0c\u5360\u5730\u9762\u79ef\u5c0f\uff0c\u4f46\u4e0d\u9002\u5408\u5904\u7406\u9ad8\u6e29\u3001\u9ad8\u538b\u6d41\u4f53\u3002<\/li>\n<li>\u7a7a\u6c14\u51b7\u5374\u5668\uff1a\u4e3b\u8981\u7528\u4e8e\u6c14\u4f53\u7684\u51b7\u5374\uff0c\u901a\u5e38\u4f7f\u7528\u4e8e\u6237\u5916\u3002<\/li>\n<p><\/u1><\/p>\n<p>\u5728\u8fdb\u884c\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790\u65f6\uff0c\u9700\u7efc\u5408\u8003\u8651\u6362\u70ed\u6548\u7387\u3001\u538b\u964d\u3001\u4f20\u70ed\u7cfb\u6570\u548c\u6362\u70ed\u5668\u7c7b\u578b\u9009\u62e9\u7b49\u65b9\u9762\uff0c\u4ece\u800c\u786e\u4fdd\u6362\u70ed\u5668\u5728\u5177\u4f53\u5e94\u7528\u4e2d\u7684\u9ad8\u6548\u6027\u548c\u7ecf\u6d4e\u6027\u3002\u5e0c\u671b\u901a\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bfb\u8005\u5bf9\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790\u6709\u4e00\u4e2a\u66f4\u6e05\u6670\u7684\u7406\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6362\u70ed\u5668\u6027\u80fd\u5206\u6790\uff1a\u4ecb\u7ecd\u6362\u70ed\u5668\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5f71\u54cd\u5176\u6027\u80fd\u7684\u5173\u952e\u56e0\u7d20\uff0c\u5e76\u63d0\u4f9b\u63d0\u9ad8\u6362\u70ed\u6548\u7387\u7684\u65b9\u6cd5\uff0c\u9002\u5408\u5de5\u7a0b\u521d\u5b66\u8005\u53ca\u70ed\u80fd\u7231\u597d\u8005\u9605\u8bfb\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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