{"id":743809,"date":"2024-10-03T01:01:02","date_gmt":"2024-10-03T00:01:02","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743809"},"modified":"2024-10-03T01:01:02","modified_gmt":"2024-10-03T00:01:02","slug":"%e5%be%ae%e6%b5%81%e4%bd%93%e8%ae%be%e5%a4%87%e4%b8%ad%e7%9a%84%e4%bc%a0%e7%83%ad%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%be%ae%e6%b5%81%e4%bd%93%e8%ae%be%e5%a4%87%e4%b8%ad%e7%9a%84%e4%bc%a0%e7%83%ad%e7%a0%94%e7%a9%b6\/","title":{"rendered":"\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76"},"content":{"rendered":"<p class=\"sidekick\">\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76\uff1a\u5206\u6790\u5fae\u5c3a\u5ea6\u4e0b\u4f20\u70ed\u673a\u7406\uff0c\u4f18\u5316\u8bbe\u8ba1\uff0c\u63d0\u9ad8\u70ed\u6027\u80fd\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u751f\u7269\u533b\u7597\u3001\u7535\u5b50\u51b7\u5374\u548c\u80fd\u6e90\u9886\u57df\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76.png\" alt=\"\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76<\/h2>\n<p>\u5fae\u6d41\u4f53\u8bbe\u5907\u662f\u4e00\u79cd\u80fd\u591f\u5904\u7406\u5fae\u5347\uff0810<sup>-6<\/sup>\u5347\uff09\u6216\u66f4\u5c0f\u4f53\u79ef\u6db2\u4f53\u7684\u8bbe\u5907\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u751f\u7269\u533b\u5b66\u3001\u5316\u5b66\u5206\u6790\u548c\u6750\u6599\u79d1\u5b66\u7b49\u9886\u57df\u3002\u5728\u8fd9\u4e9b\u5fae\u5c0f\u5c3a\u5ea6\u7684\u901a\u9053\u548c\u8154\u5ba4\u4e2d\uff0c\u4f20\u70ed\u8fc7\u7a0b\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002\u7814\u7a76\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u4e0d\u4ec5\u6709\u52a9\u4e8e\u63d0\u9ad8\u5176\u6548\u7387\uff0c\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u65b0\u7684\u5e94\u7528\u3002<\/p>\n<h2>\u5fae\u6d41\u4f53\u4f20\u70ed\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u5728\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\uff0c\u4f20\u70ed\u4e3b\u8981\u901a\u8fc7\u5bfc\u70ed\u548c\u5bf9\u6d41\u65b9\u5f0f\u5b9e\u73b0\u3002\u7531\u4e8e\u8bbe\u5907\u5c3a\u5bf8\u5fae\u5c0f\uff0c\u70ed\u4f20\u5bfc\u6210\u4e3a\u4e3b\u8981\u7684\u4f20\u70ed\u65b9\u5f0f\u4e4b\u4e00\u3002\u6570\u5b66\u4e0a\uff0c\u70ed\u4f20\u5bfc\u5e38\u901a\u8fc7\u5085\u91cc\u53f6\u5b9a\u5f8b\u63cf\u8ff0\uff1a<\/p>\n<p>\\[<br \/>\nQ = -k \\cdot A \\cdot \\frac{dT}{dx}<br \/>\n\\]\n<p>\u5176\u4e2d\uff0c\\( Q \\) \u662f\u70ed\u91cf\u4f20\u8f93\u901f\u7387\uff0c\\( k \\) \u662f\u6750\u6599\u7684\u5bfc\u70ed\u7cfb\u6570\uff0c\\( A \\) \u662f\u622a\u9762\u79ef\uff0c\\( \\frac{dT}{dx} \\) \u662f\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n<p>\u5fae\u6d41\u4f53\u4e2d\u7684\u5bf9\u6d41\u6362\u70ed\u5219\u53d6\u51b3\u4e8e\u6d41\u4f53\u6d41\u52a8\u7279\u6027\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u52aa\u585e\u5c14\u6570\uff08Nusselt number\uff09\u6765\u63cf\u8ff0\uff1a<\/p>\n<p>\\[<br \/>\nNu = \\frac{h \\cdot L}{k}<br \/>\n\\]\n<p>\u8fd9\u91cc\uff0c\\( Nu \\) \u662f\u52aa\u585e\u5c14\u6570\uff0c\\( h \\) \u662f\u5bf9\u6d41\u6362\u70ed\u7cfb\u6570\uff0c\\( L \\) \u662f\u7279\u5f81\u957f\u5ea6\uff0c\\( k \\) \u662f\u5bfc\u70ed\u7cfb\u6570\u3002<\/p>\n<h2>\u5fae\u6d41\u4f53\u4f20\u70ed\u4e2d\u7684\u6311\u6218<\/h2>\n<ul>\n<li>\u5c3a\u5bf8\u6548\u5e94\uff1a\u5fae\u6d41\u4f53\u8bbe\u5907\u7684\u5c3a\u5bf8\u6781\u5c0f\uff0c\u70ed\u635f\u5931\u548c\u70ed\u963b\u6bd4\u5b8f\u89c2\u7cfb\u7edf\u663e\u8457\u3002<\/li>\n<li>\u6d41\u52a8\u7279\u6027\uff1a\u5728\u5fae\u5c3a\u5ea6\u4e0b\uff0c\u6db2\u4f53\u7684\u6d41\u52a8\u5448\u73b0\u4f4e\u96f7\u8bfa\u6570\u7279\u6027\uff0c\u5bfc\u81f4\u5c42\u6d41\u4e3a\u4e3b\u5bfc\u3002<\/li>\n<li>\u6750\u6599\u9009\u62e9\uff1a\u6750\u6599\u7684\u5bfc\u70ed\u6027\u80fd\u5bf9\u8bbe\u5907\u7684\u6574\u4f53\u6027\u80fd\u5177\u6709\u91cd\u5927\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<h2>\u4f20\u70ed\u589e\u5f3a\u6280\u672f<\/h2>\n<p>\u4e3a\u4e86\u63d0\u9ad8\u5fae\u6d41\u4f53\u8bbe\u5907\u7684\u4f20\u70ed\u6548\u7387\uff0c\u79d1\u5b66\u5bb6\u4eec\u5f00\u53d1\u4e86\u591a\u79cd\u4f20\u70ed\u589e\u5f3a\u6280\u672f\uff1a<\/p>\n<ol>\n<li>\u8868\u9762\u5fae\u7ed3\u6784\uff1a\u5728\u901a\u9053\u8868\u9762\u8bbe\u8ba1\u5fae\u7ed3\u6784\u6216\u7eb3\u7c73\u7ed3\u6784\u4ee5\u589e\u52a0\u6362\u70ed\u9762\u79ef\u3002<\/li>\n<li>\u6df7\u5408\u6d41\u52a8\uff1a\u8bbe\u8ba1\u7279\u6b8a\u51e0\u4f55\u5f62\u72b6\u4ee5\u4fc3\u4f7f\u6d41\u4f53\u6df7\u5408\uff0c\u63d0\u9ad8\u5bf9\u6d41\u6362\u70ed\u6548\u679c\u3002<\/li>\n<li>\u591a\u76f8\u6d41\uff1a\u5229\u7528\u6c14\u6db2\u4e24\u76f8\u6d41\u6216\u6db2\u6db2\u4e24\u76f8\u6d41\u6765\u589e\u5f3a\u4f20\u70ed\u6548\u679c\u3002<\/li>\n<\/ol>\n<h2>\u5e94\u7528\u793a\u4f8b<\/h2>\n<p>\u5fae\u6d41\u4f53\u4f20\u70ed\u6280\u672f\u5728\u751f\u7269\u533b\u5b66\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5fae\u6d41\u4f53\u82af\u7247\u7528\u4e8ePCR\uff08\u805a\u5408\u9176\u94fe\u53cd\u5e94\uff09\u5b9e\u9a8c\u4e2d\uff0c\u901a\u8fc7\u7cbe\u786e\u63a7\u5236\u6e29\u5ea6\u5faa\u73af\uff0c\u63d0\u9ad8\u4e86\u57fa\u56e0\u6269\u589e\u7684\u6548\u7387\u3002<\/p>\n<p>\u5728\u5316\u5b66\u5206\u6790\u4e2d\uff0c\u5fae\u6d41\u4f53\u8bbe\u5907\u901a\u8fc7\u5feb\u901f\u4f20\u70ed\u548c\u7cbe\u786e\u6e29\u63a7\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u53cd\u5e94\u8fc7\u7a0b\uff0c\u63d0\u9ad8\u4e86\u5206\u6790\u901f\u5ea6\u548c\u7cbe\u5ea6\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76\u662f\u4e00\u4e2a\u5bcc\u6709\u6311\u6218\u6027\u4e0e\u524d\u666f\u7684\u9886\u57df\u3002\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65\uff0c\u6211\u4eec\u5c06\u80fd\u591f\u8fdb\u4e00\u6b65\u4f18\u5316\u5fae\u6d41\u4f53\u8bbe\u5907\u7684\u6027\u80fd\uff0c\u62d3\u5c55\u5176\u5728\u5404\u4e2a\u9886\u57df\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5fae\u6d41\u4f53\u8bbe\u5907\u4e2d\u7684\u4f20\u70ed\u7814\u7a76\uff1a\u5206\u6790\u5fae\u5c3a\u5ea6\u4e0b\u4f20\u70ed\u673a\u7406\uff0c\u4f18\u5316\u8bbe\u8ba1\uff0c\u63d0\u9ad8\u70ed\u6027\u80fd\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u751f\u7269\u533b\u7597\u3001\u7535\u5b50\u51b7\u5374\u548c\u80fd\u6e90\u9886\u57df\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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