{"id":751797,"date":"2024-12-16T07:45:56","date_gmt":"2024-12-16T06:45:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=751797"},"modified":"2024-12-16T07:45:56","modified_gmt":"2024-12-16T06:45:56","slug":"%e7%ae%a1%e9%81%93%e6%b5%81%e4%bd%93%e6%b5%81%e5%8a%a8%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%ae%a1%e9%81%93%e6%b5%81%e4%bd%93%e6%b5%81%e5%8a%a8%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86\/","title":{"rendered":"\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"<p class=\"sidekick\">\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u57fa\u7840\u77e5\u8bc6\uff0c\u89e3\u91ca\u6d41\u4f53\u5728\u7ba1\u9053\u4e2d\u7684\u8fd0\u52a8\u539f\u7406\u53ca\u5f71\u54cd\u56e0\u7d20\uff0c\u9002\u5408\u521d\u5b66\u8005\u7406\u89e3\u7684\u5165\u95e8\u6307\u5357\u3002\u5b66\u4e60\u6d41\u91cf\u3001\u538b\u529b\u635f\u5931\u7b49\u5173\u952e\u6982\u5ff5\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u57fa\u7840\u77e5\u8bc6.png\" alt=\"\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u57fa\u7840\u77e5\u8bc6\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u57fa\u7840\u77e5\u8bc6<\/h2>\n<p>\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u662f\u70ed\u5de5\u5b66\u4e2d\u7684\u91cd\u8981\u5185\u5bb9\uff0c\u6d89\u53ca\u6d41\u4f53\uff08\u6db2\u4f53\u6216\u6c14\u4f53\uff09\u5728\u7ba1\u9053\u5185\u7684\u8fd0\u52a8\u884c\u4e3a\u3002\u7406\u89e3\u8fd9\u4e00\u9886\u57df\u5bf9\u5de5\u7a0b\u8bbe\u8ba1\u548c\u64cd\u4f5c\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u77e5\u8bc6\u3002<\/p>\n<h2>\u6d41\u4f53\u6d41\u52a8\u7c7b\u578b<\/h2>\n<p>\u6d41\u4f53\u5728\u7ba1\u9053\u4e2d\u7684\u6d41\u52a8\u901a\u5e38\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n<p><u1><\/p>\n<li>\u5c42\u6d41\uff08Laminar Flow\uff09\uff1a\u8fd9\u79cd\u6d41\u52a8\u65b9\u5f0f\u4e0b\uff0c\u6d41\u4f53\u9897\u7c92\u6cbf\u7740\u5e73\u884c\u8def\u5f84\u6d41\u52a8\uff0c\u5f7c\u6b64\u4e4b\u95f4\u4e0d\u53d1\u751f\u6df7\u5408\u3002\u6d41\u901f\u8f83\u4f4e\u65f6\u901a\u5e38\u4f1a\u51fa\u73b0\u5c42\u6d41\u3002\u4e00\u822c\u800c\u8a00\uff0c\u5f53\u96f7\u8bfa\u6570\uff08Re\uff09\u5c0f\u4e8e2000\u65f6\uff0c\u6d41\u52a8\u4e3a\u5c42\u6d41\u3002<\/li>\n<li>\u6e4d\u6d41\uff08Turbulent Flow\uff09\uff1a\u8fd9\u79cd\u6d41\u52a8\u65b9\u5f0f\u4e0b\uff0c\u6d41\u4f53\u9897\u7c92\u5728\u7ba1\u9053\u5185\u90e8\u5448\u73b0\u51fa\u9ad8\u901f\u6df7\u5408\u548c\u5927\u89c4\u6a21\u6da1\u6d41\u3002\u5f53\u96f7\u8bfa\u6570\u8d85\u8fc74000\u65f6\uff0c\u6d41\u52a8\u4e3a\u6e4d\u6d41\u3002\u6e4d\u6d41\u4e0b\u7684\u6d41\u4f53\u963b\u529b\u8f83\u5927\uff0c\u4f46\u80fd\u591f\u66f4\u597d\u5730\u6df7\u5408\u6d41\u4f53\u6210\u5206\u3002<\/li>\n<p><\/u1><\/p>\n<p>\u96f7\u8bfa\u6570\uff08Re\uff09\u5b9a\u4e49\u4e3a\uff1a<\/p>\n<p><b>Re = \\(\\frac{\\rho V D}{\\mu}\\)<\/b><\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>\\(\\rho\\)\uff1a\u6d41\u4f53\u5bc6\u5ea6<\/li>\n<li>V\uff1a\u6d41\u901f<\/li>\n<li>D\uff1a\u7ba1\u9053\u76f4\u5f84<\/li>\n<li>\\(\\mu\\)\uff1a\u6d41\u4f53\u7c98\u5ea6<\/li>\n<p><\/o1><\/p>\n<h2>\u4f2f\u52aa\u5229\u65b9\u7a0b<\/h2>\n<p>\u4f2f\u52aa\u5229\u65b9\u7a0b\u662f\u63cf\u8ff0\u6d41\u4f53\u6d41\u52a8\u7684\u91cd\u8981\u65b9\u7a0b\uff0c\u9002\u7528\u4e8e\u65e0\u538b\u7f29\u6d41\u4f53\u7684\u7a33\u6001\u6d41\u52a8\u3002\u57fa\u672c\u5f62\u5f0f\u4e3a\uff1a<\/p>\n<p><b>\\(\\frac{P}{\\rho} + \\frac{V^2}{2} + gh = \u5e38\u6570\\)<\/b><\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>P\uff1a\u6d41\u4f53\u7684\u9759\u538b<\/li>\n<li>\\(\\rho\\)\uff1a\u6d41\u4f53\u5bc6\u5ea6<\/li>\n<li>V\uff1a\u6d41\u4f53\u901f\u5ea6<\/li>\n<li>g\uff1a\u91cd\u529b\u52a0\u901f\u5ea6<\/li>\n<li>h\uff1a\u9ad8\u5ea6<\/li>\n<p><\/o1><\/p>\n<p>\u4f2f\u52aa\u5229\u65b9\u7a0b\u8868\u660e\uff0c\u5728\u6d41\u4f53\u6d41\u52a8\u8fc7\u7a0b\u4e2d\uff0c\u538b\u5f3a\u3001\u901f\u5ea6\u548c\u9ad8\u5ea6\u4e4b\u95f4\u5b58\u5728\u7740\u7279\u5b9a\u7684\u80fd\u91cf\u5173\u7cfb\u3002<\/p>\n<h2>\u6d41\u4f53\u963b\u529b<\/h2>\n<p>\u7ba1\u9053\u4e2d\u6d41\u4f53\u7684\u6d41\u52a8\u4f1a\u53d7\u5230\u963b\u529b\u7684\u5f71\u54cd\uff0c\u4e3b\u8981\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n<p><u1><\/p>\n<li>\u6cbf\u7a0b\u963b\u529b\uff1a\u6cbf\u7740\u7ba1\u9053\u957f\u5ea6\u65b9\u5411\u7684\u6d41\u4f53\u6469\u64e6\u963b\u529b\uff0c\u901a\u5e38\u4f9d\u636e\u8fbe\u897f-\u97e6\u65af\u5df4\u8d6b\u516c\u5f0f\u8ba1\u7b97\u3002<\/li>\n<li>\u5c40\u90e8\u963b\u529b\uff1a\u6d41\u4f53\u6d41\u7ecf\u5f2f\u5934\u3001\u9600\u95e8\u7b49\u5c40\u90e8\u6784\u4ef6\u4ea7\u751f\u7684\u963b\u529b\u3002<\/li>\n<p><\/u1><\/p>\n<p>\u8fbe\u897f-\u97e6\u65af\u5df4\u8d6b\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p><b>\\(\\Delta P = f \\frac{L}{D} \\frac{\\rho V^2}{2}\\)<\/b><\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><o1><\/p>\n<li>\\(\\Delta P\\)\uff1a\u538b\u964d<\/li>\n<li>f\uff1a\u6469\u64e6\u56e0\u6570<\/li>\n<li>L\uff1a\u7ba1\u9053\u957f\u5ea6<\/li>\n<li>D\uff1a\u7ba1\u9053\u76f4\u5f84<\/li>\n<li>\\(\\rho\\)\uff1a\u6d41\u4f53\u5bc6\u5ea6<\/li>\n<li>V\uff1a\u6d41\u901f<\/li>\n<p><\/o1><\/p>\n<p>\u4e86\u89e3\u8fd9\u4e9b\u57fa\u7840\u77e5\u8bc6\u4e0d\u4ec5\u6709\u52a9\u4e8e\u7406\u89e3\u7ba1\u9053\u4e2d\u6d41\u4f53\u7684\u884c\u4e3a\uff0c\u8fd8\u4e3a\u5b9e\u9645\u5de5\u7a0b\u4e2d\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\u63d0\u4f9b\u4e86\u7406\u8bba\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ba1\u9053\u6d41\u4f53\u6d41\u52a8\u57fa\u7840\u77e5\u8bc6\uff0c\u89e3\u91ca\u6d41\u4f53\u5728\u7ba1\u9053\u4e2d\u7684\u8fd0\u52a8\u539f\u7406\u53ca\u5f71\u54cd\u56e0\u7d20\uff0c\u9002\u5408\u521d\u5b66\u8005\u7406\u89e3\u7684\u5165\u95e8\u6307\u5357\u3002\u5b66\u4e60\u6d41\u91cf\u3001\u538b\u529b\u635f\u5931\u7b49\u5173\u952e\u6982\u5ff5\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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