{"id":747964,"date":"2024-12-15T18:28:04","date_gmt":"2024-12-15T17:28:04","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=747964"},"modified":"2024-12-15T18:28:04","modified_gmt":"2024-12-15T17:28:04","slug":"%e5%be%ae%e5%9e%8b%e7%94%b5%e5%ad%90%e5%86%b7%e5%8d%b4%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%be%ae%e5%9e%8b%e7%94%b5%e5%ad%90%e5%86%b7%e5%8d%b4%e7%b3%bb%e7%bb%9f\/","title":{"rendered":"\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf"},"content":{"rendered":"<p class=\"sidekick\">\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u662f\u4e00\u79cd\u7528\u4e8e\u51b7\u5374\u5fae\u7535\u5b50\u8bbe\u5907\u7684\u6280\u672f\uff0c\u901a\u8fc7\u9ad8\u6548\u6563\u70ed\u6750\u6599\u548c\u8bbe\u8ba1\uff0c\u786e\u4fdd\u7535\u5b50\u5143\u4ef6\u5728\u5c0f\u7a7a\u95f4\u5185\u4fdd\u6301\u6700\u4f73\u6e29\u5ea6\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf.png\" alt=\"\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf<\/h2>\n<p>\u968f\u7740\u7535\u5b50\u8bbe\u5907\u8d8a\u6765\u8d8a\u5c0f\uff0c\u6027\u80fd\u9700\u6c42\u4e5f\u8d8a\u6765\u8d8a\u9ad8\uff0c\u7535\u5b50\u5143\u4ef6\u7684\u53d1\u70ed\u91cf\u663e\u8457\u589e\u52a0\u3002\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u56e0\u5176\u6709\u6548\u89e3\u51b3\u6563\u70ed\u95ee\u9898\u800c\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u6027\u80fd\u8ba1\u7b97\u548c\u79fb\u52a8\u8bbe\u5907\u9886\u57df\u3002<\/p>\n<h2>\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\u70ed\u91cf\u7ba1\u7406\uff1a<\/p>\n<p><u1><\/p>\n<li>\u4f20\u5bfc<\/li>\n<li>\u5bf9\u6d41<\/li>\n<li>\u8f90\u5c04<\/li>\n<li>\u76f8\u53d8<\/li>\n<p><\/u1><\/p>\n<h3>\u4f20\u5bfc<\/h3>\n<p>\u70ed\u4f20\u5bfc\u662f\u6307\u70ed\u91cf\u901a\u8fc7\u76f4\u63a5\u63a5\u89e6\u4ece\u9ad8\u6e29\u533a\u4f20\u9012\u5230\u4f4e\u6e29\u533a\u3002\u5728\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u4e2d\uff0c\u5e38\u89c1\u7684\u5bfc\u70ed\u6750\u6599\u5305\u62ec\u94dc\u548c\u94dd\u3002\u5bfc\u70ed\u7387\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>\\( q = -kA \\frac{dT}{dx} \\)<\/p>\n<p>\u5176\u4e2d\uff0c<em>q<\/em>\u4ee3\u8868\u70ed\u6d41\u91cf\uff0c<em>k<\/em>\u662f\u5bfc\u70ed\u7cfb\u6570\uff0c<em>A<\/em>\u662f\u6a2a\u622a\u9762\u79ef\uff0c<em>dT\/dx<\/em>\u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n<h3>\u5bf9\u6d41<\/h3>\n<p>\u5bf9\u6d41\u662f\u70ed\u91cf\u5728\u6db2\u4f53\u6216\u6c14\u4f53\u4e2d\u79fb\u52a8\u7684\u4e00\u79cd\u65b9\u5f0f\u3002\u5229\u7528\u5bf9\u6d41\u7684\u65b9\u6cd5\uff0c\u51b7\u5374\u5242\uff08\u5982\u6db2\u6001\u91d1\u5c5e\u6216\u9ad8\u6548\u51b7\u5374\u6db2\uff09\u80fd\u591f\u5e26\u8d70\u70ed\u91cf\u3002\u5bf9\u6d41\u6362\u70ed\u7684\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\\( q = hA(T_s &#8211; T_\\infty) \\)<\/p>\n<p>\u5176\u4e2d\uff0c<em>h<\/em>\u662f\u5bf9\u6d41\u6362\u70ed\u7cfb\u6570\uff0c<em>A<\/em>\u662f\u6362\u70ed\u9762\u79ef\uff0c<em>Ts<\/em>\u662f\u8868\u9762\u6e29\u5ea6\uff0c<em>T\u221e<\/em>\u662f\u73af\u5883\u6e29\u5ea6\u3002<\/p>\n<h3>\u8f90\u5c04<\/h3>\n<p>\u70ed\u8f90\u5c04\u662f\u70ed\u91cf\u901a\u8fc7\u7535\u78c1\u6ce2\u4f20\u9012\u7684\u65b9\u5f0f\u3002\u5728\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u79cd\u65b9\u5f0f\u8f83\u5c11\u4f7f\u7528\uff0c\u4f46\u5728\u4e00\u4e9b\u7279\u5b9a\u573a\u5408\u4ecd\u80fd\u8d77\u5230\u8f85\u52a9\u964d\u6e29\u7684\u4f5c\u7528\u3002\u8f90\u5c04\u6362\u70ed\u7684\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\\( q = \\sigma \\epsilon A (T_1^4 &#8211; T_2^4) \\)<\/p>\n<p>\u5176\u4e2d\uff0c<em>\u03c3<\/em>\u662f\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5e38\u6570\uff0c<em>\u03b5<\/em>\u662f\u7269\u4f53\u7684\u53d1\u5c04\u7387\uff0c<em>A<\/em>\u662f\u7269\u4f53\u8868\u9762\u79ef\uff0c<em>T1<\/em>\u548c<em>T2<\/em>\u5206\u522b\u4e3a\u7269\u4f53\u548c\u73af\u5883\u7684\u7edd\u5bf9\u6e29\u5ea6\u3002<\/p>\n<h3>\u76f8\u53d8<\/h3>\n<p>\u76f8\u53d8\u51b7\u5374\u662f\u4e00\u79cd\u5229\u7528\u7269\u8d28\u4ece\u4e00\u79cd\u76f8\u72b6\u6001\uff08\u5982\u6db2\u4f53\uff09\u8f6c\u53d8\u4e3a\u53e6\u4e00\u79cd\u76f8\u72b6\u6001\uff08\u5982\u6c14\u4f53\uff09\u65f6\u5438\u6536\u5927\u91cf\u70ed\u91cf\u7684\u51b7\u5374\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5fae\u578b\u70ed\u7ba1\u5229\u7528\u6db2\u4f53\u84b8\u53d1\u548c\u51dd\u7ed3\u7684\u5faa\u73af\u8fc7\u7a0b\u6709\u6548\u5438\u6536\u548c\u5bfc\u51fa\u70ed\u91cf\u3002<\/p>\n<h2>\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u7684\u5e94\u7528<\/h2>\n<p>\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u5728\u8bb8\u591a\u9886\u57df\u90fd\u6709\u5e7f\u6cdb\u5e94\u7528\uff1a<\/p>\n<p><o1><\/p>\n<li>\u9ad8\u6027\u80fd\u8ba1\u7b97\u673a<\/li>\n<li>\u667a\u80fd\u624b\u673a\u548c\u5e73\u677f\u7535\u8111<\/li>\n<li>\u6c7d\u8f66\u7535\u5b50<\/li>\n<li>\u822a\u7a7a\u822a\u5929\u8bbe\u5907<\/li>\n<p><\/o1><\/p>\n<h2>\u53d1\u5c55\u8d8b\u52bf<\/h2>\n<p>\u672a\u6765\uff0c\u968f\u7740\u7eb3\u7c73\u6280\u672f\u548c\u6750\u6599\u79d1\u5b66\u7684\u8fdb\u6b65\uff0c\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u7684\u6027\u80fd\u5c06\u8fdb\u4e00\u6b65\u63d0\u5347\u3002\u4f8b\u5982\uff0c\u77f3\u58a8\u70ef\u7b49\u9ad8\u5bfc\u70ed\u6027\u6750\u6599\u7684\u5e94\u7528\u5c06\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u70ed\u7ba1\u7406\u65b9\u6848\u3002\u6b64\u5916\uff0c\u667a\u80fd\u51b7\u5374\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7\u5b9e\u65f6\u76d1\u63a7\u548c\u81ea\u9002\u5e94\u8c03\u8282\u8fdb\u4e00\u6b65\u4f18\u5316\u7535\u5b50\u8bbe\u5907\u7684\u70ed\u91cf\u7ba1\u7406\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u662f\u73b0\u4ee3\u9ad8\u79d1\u6280\u8bbe\u5907\u4e0d\u53ef\u6216\u7f3a\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5176\u7814\u7a76\u4e0e\u53d1\u5c55\u5c06\u7ee7\u7eed\u63a8\u52a8\u7535\u5b50\u4ea7\u4e1a\u7684\u8fdb\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5fae\u578b\u7535\u5b50\u51b7\u5374\u7cfb\u7edf\u662f\u4e00\u79cd\u7528\u4e8e\u51b7\u5374\u5fae\u7535\u5b50\u8bbe\u5907\u7684\u6280\u672f\uff0c\u901a\u8fc7\u9ad8\u6548\u6563\u70ed\u6750\u6599\u548c\u8bbe\u8ba1\uff0c\u786e\u4fdd\u7535\u5b50\u5143\u4ef6\u5728\u5c0f\u7a7a\u95f4\u5185\u4fdd\u6301\u6700\u4f73\u6e29\u5ea6\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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