{"id":724737,"date":"2024-11-23T13:41:08","date_gmt":"2024-11-23T12:41:08","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=724737"},"modified":"2024-11-23T13:41:08","modified_gmt":"2024-11-23T12:41:08","slug":"%e6%b5%81%e4%bd%93%e7%b2%98%e5%ba%a6%e6%b5%8b%e9%87%8f%e7%9a%846%e7%a7%8d%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b5%81%e4%bd%93%e7%b2%98%e5%ba%a6%e6%b5%8b%e9%87%8f%e7%9a%846%e7%a7%8d%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u6d41\u4f53\u7c98\u5ea6\u6d4b\u91cf\u76846\u79cd\u7c7b\u578b"},"content":{"rendered":"<p class=\"sidekick\">\u6d41\u4f53\u7c98\u5ea6\u6d4b\u91cf\u76846\u79cd\u7c7b\u578b\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5e38\u89c1\u65b9\u6cd5\u53ca\u5176\u4f18\u7f3a\u70b9\uff0c\u5e2e\u52a9\u8bfb\u8005\u7406\u89e3\u548c\u9009\u62e9\u5408\u9002\u7684\u7c98\u5ea6\u6d4b\u91cf\u6280\u672f\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6d41\u4f53\u7c98\u5ea6\u6d4b\u91cf\u76846\u79cd\u7c7b\u578b.png\" alt=\"\u6d41\u4f53\u7c98\u5ea6\u6d4b\u91cf\u76846\u79cd\u7c7b\u578b\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6d41\u4f53\u7c98\u5ea6\u6d4b\u91cf\u76846\u79cd\u7c7b\u578b<\/h2>\n<p>\u7c98\u5ea6\u662f\u63cf\u8ff0\u6d41\u4f53\u5185\u90e8\u6469\u64e6\u529b\u7684\u7269\u7406\u91cf\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u6d41\u4f53\u6d41\u52a8\u7684\u884c\u4e3a\u3002\u5728\u5de5\u4e1a\u5e94\u7528\u548c\u7814\u7a76\u4e2d\uff0c\u51c6\u786e\u6d4b\u91cf\u6d41\u4f53\u7684\u7c98\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u516d\u79cd\u5e38\u89c1\u7684\u6d41\u4f53\u7c98\u5ea6\u6d4b\u91cf\u65b9\u6cd5\uff1a<\/p>\n<p><u1><\/p>\n<li>\u6bdb\u7ec6\u7ba1\u7c98\u5ea6\u8ba1<\/li>\n<li>\u65cb\u8f6c\u7c98\u5ea6\u8ba1<\/li>\n<li>\u843d\u7403\u7c98\u5ea6\u8ba1<\/li>\n<li>\u632f\u52a8\u7c98\u5ea6\u8ba1<\/li>\n<li>\u5706\u9525\u677f\u7c98\u5ea6\u8ba1<\/li>\n<li>\u8d85\u58f0\u6ce2\u7c98\u5ea6\u8ba1<\/li>\n<p><\/u1><\/p>\n<h2>1. \u6bdb\u7ec6\u7ba1\u7c98\u5ea6\u8ba1<\/h2>\n<p>\u6bdb\u7ec6\u7ba1\u7c98\u5ea6\u8ba1\u662f\u4e00\u79cd\u7b80\u5355\u4e14\u5e7f\u6cdb\u4f7f\u7528\u7684\u7c98\u5ea6\u6d4b\u91cf\u8bbe\u5907\u3002\u901a\u8fc7\u6d4b\u91cf\u6d41\u4f53\u5728\u7ec6\u7ba1\uff08\u6bdb\u7ec6\u7ba1\uff09\u4e2d\u7684\u6d41\u52a8\u65f6\u95f4\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u6d41\u4f53\u7684\u7c98\u5ea6\u3002\u5176\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u6cca\u8083\u53f6\u5b9a\u5f8b\uff08Hagen-Poiseuille Law\uff09\uff1a<\/p>\n<p>\\(\\eta = \\frac{\\pi r^4 \\Delta P}{8 L Q}\\)<\/p>\n<p>\u5176\u4e2d\uff0c\\(\\eta\\) \u662f\u6d41\u4f53\u7c98\u5ea6\uff0c\\(r\\) \u662f\u6bdb\u7ec6\u7ba1\u534a\u5f84\uff0c\\(\\Delta P\\) \u662f\u538b\u5dee\uff0c\\(L\\) \u662f\u6bdb\u7ec6\u7ba1\u957f\u5ea6\uff0c\\(Q\\) \u662f\u6d41\u901f\u3002<\/p>\n<h2>2. 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\\(\\rho_f\\) \u5206\u522b\u662f\u7403\u548c\u6d41\u4f53\u7684\u5bc6\u5ea6\uff0c\\(g\\) \u662f\u91cd\u529b\u52a0\u901f\u5ea6\uff0c\\(v\\) \u662f\u7403\u7684\u4e0b\u843d\u901f\u5ea6\u3002<\/p>\n<h2>4. \u632f\u52a8\u7c98\u5ea6\u8ba1<\/h2>\n<p>\u632f\u52a8\u7c98\u5ea6\u8ba1\u5229\u7528\u632f\u52a8\u5143\u4ef6\uff08\u5982\u97f3\u53c9\u6216\u5f26\uff09\u7684\u963b\u5c3c\u6548\u5e94\u6765\u6d4b\u91cf\u6d41\u4f53\u7684\u7c98\u5ea6\u3002\u5f53\u4eea\u5668\u5728\u6d41\u4f53\u4e2d\u632f\u52a8\u65f6\uff0c\u6d41\u4f53\u7684\u7c98\u6027\u4f1a\u5bf9\u632f\u8361\u4ea7\u751f\u963b\u5c3c\uff0c\u5f71\u54cd\u632f\u52a8\u9891\u7387\u548c\u632f\u5e45\uff0c\u4ece\u800c\u8ba1\u7b97\u51fa\u7c98\u5ea6\u3002<\/p>\n<h2>5. 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