{"id":743063,"date":"2024-11-01T09:14:04","date_gmt":"2024-11-01T08:14:04","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743063"},"modified":"2024-11-01T09:14:04","modified_gmt":"2024-11-01T08:14:04","slug":"%e8%88%aa%e7%a9%ba%e6%9d%90%e6%96%99%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e8%88%aa%e7%a9%ba%e6%9d%90%e6%96%99%e4%b8%ad%e7%9a%84%e7%83%ad%e4%bc%a0%e9%80%92\/","title":{"rendered":"\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u9012"},"content":{"rendered":"<p class=\"sidekick\">\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u9012\uff1a\u4e86\u89e3\u70ed\u4f20\u9012\u5728\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u5e94\u7528\uff0c\u63a2\u7d22\u5148\u8fdb\u6750\u6599\u5982\u4f55\u63d0\u9ad8\u98de\u673a\u6027\u80fd\u548c\u5b89\u5168\u6027\uff0c\u63ed\u793a\u70ed\u7ba1\u7406\u6280\u672f\u7684\u91cd\u8981\u6027\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u9012.png\" alt=\"\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u9012\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u9012<\/h2>\n<p>\u5728\u822a\u7a7a\u5de5\u7a0b\u4e2d\uff0c\u70ed\u4f20\u9012\u662f\u4e00\u4e2a\u5173\u952e\u7684\u7814\u7a76\u9886\u57df\u3002\u98de\u673a\u5728\u98de\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u7ecf\u5386\u6781\u7aef\u7684\u6e29\u5ea6\u73af\u5883\uff0c\u4ece\u6781\u5bd2\u7684\u9ad8\u7a7a\u73af\u5883\u5230\u53d1\u52a8\u673a\u4ea7\u751f\u7684\u9ad8\u6e29\u3002\u56e0\u6b64\uff0c\u7406\u89e3\u548c\u7ba1\u7406\u70ed\u4f20\u9012\u5bf9\u4e8e\u786e\u4fdd\u98de\u673a\u5b89\u5168\u548c\u9ad8\u6548\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\u70ed\u4f20\u9012\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u70ed\u4f20\u9012\u4e3b\u8981\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u8fdb\u884c\uff1a\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\u3002<\/p>\n<p><u1><\/p>\n<li><b>\u4f20\u5bfc:<\/b> \u70ed\u91cf\u5728\u7269\u4f53\u5185\u90e8\u6216\u7269\u4f53\u95f4\u901a\u8fc7\u76f4\u63a5\u63a5\u89e6\u8fdb\u884c\u4f20\u9012\u3002\u516c\u5f0f\u4e3a Q = -kA\\(\\frac{dT}{dx}\\)\uff0c\u5176\u4e2d Q \u662f\u70ed\u6d41\u7387\uff0ck \u662f\u70ed\u5bfc\u7387\uff0cA \u662f\u622a\u9762\u79ef\uff0c\\(\\frac{dT}{dx}\\) \u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/li>\n<li><b>\u5bf9\u6d41:<\/b> \u70ed\u91cf\u901a\u8fc7\u6d41\u4f53\uff08\u5982\u7a7a\u6c14\u6216\u6db2\u4f53\uff09\u7684\u79fb\u52a8\u8fdb\u884c\u4f20\u9012\u3002\u5bf9\u6d41\u53ef\u4ee5\u662f\u81ea\u7136\u5bf9\u6d41\u6216\u5f3a\u5236\u5bf9\u6d41\uff0c\u516c\u5f0f\u4e3a Q = hA(T_s &#8211; T_f)\uff0c\u5176\u4e2d h \u662f\u5bf9\u6d41\u6362\u70ed\u7cfb\u6570\uff0cT_s \u662f\u7269\u4f53\u8868\u9762\u6e29\u5ea6\uff0cT_f \u662f\u6d41\u4f53\u6e29\u5ea6\u3002<\/li>\n<li><b>\u8f90\u5c04:<\/b> \u70ed\u91cf\u901a\u8fc7\u7535\u78c1\u6ce2\u8fdb\u884c\u4f20\u9012\uff0c\u4e0d\u9700\u8981\u4ecb\u8d28\u3002\u516c\u5f0f\u4e3a Q = \\(\\epsilon\\sigma A(T^4 &#8211; T_0^4)\\)\uff0c\u5176\u4e2d \\(\\epsilon\\) \u662f\u6750\u6599\u7684\u53d1\u5c04\u7387\uff0c\\(\\sigma\\) \u662f\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5e38\u6570\uff0cA \u662f\u8868\u9762\u79ef\uff0c T \u662f\u7269\u4f53\u6e29\u5ea6\uff0cT_0 \u662f\u73af\u5883\u6e29\u5ea6\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u822a\u7a7a\u6750\u6599\u7684\u9009\u62e9<\/h2>\n<p>\u5728\u822a\u7a7a\u6750\u6599\u7684\u9009\u62e9\u8fc7\u7a0b\u4e2d\uff0c\u5fc5\u987b\u8003\u8651\u6750\u6599\u7684\u70ed\u4f20\u5bfc\u6027\u80fd\u3001\u91cd\u91cf\u3001\u5f3a\u5ea6\u548c\u8010\u4e45\u6027\u3002<\/p>\n<p><u1><\/p>\n<li><b>\u94dd\u5408\u91d1:<\/b> \u7531\u4e8e\u5176\u8f7b\u91cf\u548c\u826f\u597d\u7684\u5bfc\u70ed\u6027\uff0c\u94dd\u5408\u91d1\u662f\u98de\u673a\u7ed3\u6784\u4e2d\u5e38\u7528\u7684\u6750\u6599\u3002\u7136\u800c\uff0c\u5176\u5728\u9ad8\u6e29\u4e0b\u7684\u5f3a\u5ea6\u8f83\u4f4e\u3002<\/li>\n<li><b>\u949b\u5408\u91d1:<\/b> \u949b\u5408\u91d1\u5177\u6709\u9ad8\u5f3a\u5ea6\u548c\u8010\u8150\u8680\u6027\uff0c\u5e76\u5728\u9ad8\u6e29\u4e0b\u4ecd\u80fd\u4fdd\u6301\u5176\u673a\u68b0\u6027\u80fd\uff0c\u4f46\u5176\u70ed\u5bfc\u7387\u8f83\u4f4e\u3002<\/li>\n<li><b>\u590d\u5408\u6750\u6599:<\/b> \u590d\u5408\u6750\u6599\u5982\u78b3\u7ea4\u7ef4\u589e\u5f3a\u805a\u5408\u7269\uff08CFRP\uff09\u5177\u6709\u4f4e\u5bc6\u5ea6\u548c\u826f\u597d\u7684\u673a\u68b0\u6027\u80fd\uff0c\u4f46\u5176\u70ed\u5bfc\u7387\u901a\u5e38\u8f83\u4f4e\uff0c\u9700\u8981\u989d\u5916\u7684\u70ed\u7ba1\u7406\u63aa\u65bd\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u70ed\u7ba1\u7406\u6280\u672f<\/h2>\n<p>\u4e3a\u4e86\u6709\u6548\u7ba1\u7406\u70ed\u91cf\uff0c\u822a\u7a7a\u5de5\u7a0b\u4e2d\u91c7\u7528\u4e86\u591a\u79cd\u6280\u672f\u3002<\/p>\n<p><o1><\/p>\n<li><b>\u9694\u70ed\u6750\u6599:<\/b> \u4f7f\u7528\u4f4e\u5bfc\u70ed\u7387\u7684\u6750\u6599\u6765\u51cf\u5c11\u70ed\u4f20\u5bfc\uff0c\u4f8b\u5982\u73bb\u7483\u7ea4\u7ef4\u548c\u9676\u74f7\u7ea4\u7ef4\u3002<\/li>\n<li><b>\u70ed\u9632\u62a4\u6d82\u5c42:<\/b> \u5728\u98de\u884c\u5668\u8868\u9762\u6d82\u8986\u7279\u6b8a\u6d82\u5c42\uff0c\u4ee5\u53cd\u5c04\u548c\u8f90\u5c04\u70ed\u91cf\uff0c\u51cf\u5c11\u70ed\u79ef\u7d2f\u3002<\/li>\n<li><b>\u51b7\u5374\u7cfb\u7edf:<\/b> \u4f7f\u7528\u51b7\u5374\u6db2\u4f53\u6216\u6c14\u4f53\u7cfb\u7edf\uff0c\u901a\u8fc7\u5bf9\u6d41\u65b9\u5f0f\u5e26\u8d70\u70ed\u91cf\u3002<\/li>\n<p><\/o1><\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u822a\u7a7a\u5de5\u7a0b\u4e2d\uff0c\u70ed\u4f20\u9012\u7814\u7a76\u548c\u7ba1\u7406\u5bf9\u786e\u4fdd\u98de\u884c\u5668\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4e0d\u540c\u6750\u6599\u548c\u6280\u672f\u7684\u9009\u62e9\u548c\u5e94\u7528\uff0c\u5e2e\u52a9\u5de5\u7a0b\u5e08\u6709\u6548\u5730\u5e94\u5bf9\u6781\u7aef\u6e29\u5ea6\u73af\u5883\uff0c\u4ece\u800c\u63d0\u5347\u98de\u884c\u5668\u7684\u8bbe\u8ba1\u548c\u5236\u9020\u6c34\u5e73\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u70ed\u4f20\u9012\uff1a\u4e86\u89e3\u70ed\u4f20\u9012\u5728\u822a\u7a7a\u6750\u6599\u4e2d\u7684\u5e94\u7528\uff0c\u63a2\u7d22\u5148\u8fdb\u6750\u6599\u5982\u4f55\u63d0\u9ad8\u98de\u673a\u6027\u80fd\u548c\u5b89\u5168\u6027\uff0c\u63ed\u793a\u70ed\u7ba1\u7406\u6280\u672f\u7684\u91cd\u8981\u6027\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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