{"id":739148,"date":"2024-12-04T17:49:37","date_gmt":"2024-12-04T16:49:37","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=739148"},"modified":"2024-12-04T17:49:37","modified_gmt":"2024-12-04T16:49:37","slug":"%e6%b9%8d%e6%b5%81%e5%9c%a8%e7%b2%97%e7%b3%99%e8%a1%a8%e9%9d%a2%e7%9a%84%e6%b5%81%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b9%8d%e6%b5%81%e5%9c%a8%e7%b2%97%e7%b3%99%e8%a1%a8%e9%9d%a2%e7%9a%84%e6%b5%81%e5%8a%a8\/","title":{"rendered":"\u6e4d\u6d41\u5728\u7c97\u7cd9\u8868\u9762\u7684\u6d41\u52a8"},"content":{"rendered":"<p class=\"sidekick\">\u6e4d\u6d41\u5728\u7c97\u7cd9\u8868\u9762\u7684\u6d41\u52a8\uff1a\u6df1\u5165\u89e3\u6790\u6e4d\u6d41\u5728\u4e0d\u540c\u7c97\u7cd9\u5ea6\u8868\u9762\u7684\u884c\u4e3a\u7279\u70b9\uff0c\u63a2\u8ba8\u5176\u5bf9\u5de5\u7a0b\u7cfb\u7edf\u70ed\u4ea4\u6362\u6548\u7387\u548c\u8bbe\u8ba1\u4f18\u5316\u7684\u5f71\u54cd\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6e4d\u6d41\u5728\u7c97\u7cd9\u8868\u9762\u7684\u6d41\u52a8.png\" alt=\"\u6e4d\u6d41\u5728\u7c97\u7cd9\u8868\u9762\u7684\u6d41\u52a8\" style=\"display: block; margin-left: auto; margin-right: 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F<sub>f<\/sub> \u53ef\u7528\u4ee5\u4e0b\u516c\u5f0f\u8868\u793a\uff1a\n<p>    \\[<br \/>\n    F_f = \\frac{1}{2} \\rho v^2 C_f<br \/>\n    \\]\n<p>    \u5176\u4e2d\uff0c\u03c1 \u662f\u6d41\u4f53\u5bc6\u5ea6\uff0cv \u662f\u6d41\u4f53\u901f\u5ea6\uff0cC<sub>f<\/sub> \u662f\u6469\u64e6\u7cfb\u6570\u3002<\/li>\n<li><b>\u6e4d\u6d41\u5f3a\u5ea6\u589e\u5927\uff1a<\/b>\u7c97\u7cd9\u8868\u9762\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u65cb\u6da1\u548c\u6d41\u52a8\u4e0d\u7a33\u5b9a\u6027\uff0c\u8fdb\u800c\u589e\u52a0\u6e4d\u6d41\u5f3a\u5ea6\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u8003\u5bdf\u6e4d\u6d41\u52a8\u80fd k \u6765\u7406\u89e3\uff1a\n<p>    \\[<br \/>\n    k = \\frac{1}{2} (u^2 + v^2 + w^2)<br \/>\n    \\]\n<p>    \u5176\u4e2d\uff0cu\u3001v\u3001w \u662f\u6d41\u4f53\u5728\u5404\u4e2a\u65b9\u5411\u7684\u901f\u5ea6\u5206\u91cf\u3002<\/li>\n<li><b>\u70ed\u4f20\u9012\u589e\u5f3a\uff1a<\/b>\u6e4d\u6d41\u53ef\u4ee5\u589e\u5f3a\u70ed\u4f20\u5bfc\u6548\u679c\uff0c\u56e0\u4e3a\u6d41\u4f53\u5728\u7c97\u7cd9\u8868\u9762\u9644\u8fd1\u7684\u6df7\u5408\u4f5c\u7528\u66f4\u5f3a\u3002\u8fd9\u5bf9\u6362\u70ed\u5668\u7b49\u70ed\u5de5\u7a0b\u8bbe\u5907\u662f\u975e\u5e38\u6709\u5229\u7684\u3002<\/li>\n<\/ol>\n<h2>\u5e94\u7528\u5b9e\u4f8b<\/h2>\n<p>\u5728\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6e4d\u6d41\u548c\u7c97\u7cd9\u8868\u9762\u7684\u76f8\u4e92\u4f5c\u7528\u90fd\u662f\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u7684\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u89c1\u7684\u5e94\u7528\u5b9e\u4f8b\uff1a<\/p>\n<ul>\n<li><b>\u6362\u70ed\u5668\uff1a<\/b>\u4e3a\u63d0\u9ad8\u70ed\u4f20\u9012\u6548\u7387\uff0c\u6362\u70ed\u5668\u901a\u5e38\u4f1a\u8bbe\u8ba1\u5177\u6709\u7c97\u7cd9\u8868\u9762\uff0c\u4ee5\u9020\u6210\u66f4\u591a\u6e4d\u6d41\u3002<\/li>\n<li><b>\u7ba1\u9053\u7cfb\u7edf\uff1a<\/b>\u5728\u8f93\u9001\u6db2\u4f53\u548c\u6c14\u4f53\u7684\u7ba1\u9053\u4e2d\uff0c\u7406\u89e3\u6e4d\u6d41\u548c\u7c97\u7cd9\u8868\u9762\u7684\u5173\u7cfb\u53ef\u4ee5\u4f18\u5316\u6cf5\u548c\u98ce\u673a\u7684\u8bbe\u8ba1\u3002<\/li>\n<li><b>\u822a\u7a7a\u548c\u6c7d\u8f66\u5de5\u7a0b\uff1a<\/b>\u5728\u673a\u7ffc\u548c\u8f66\u8eab\u8bbe\u8ba1\u4e2d\uff0c\u901a\u8fc7\u63a7\u5236\u8868\u9762\u7c97\u7cd9\u5ea6\uff0c\u53ef\u4ee5\u51cf\u5c0f\u7a7a\u6c14\u963b\u529b\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6e4d\u6d41\u5728\u7c97\u7cd9\u8868\u9762\u7684\u6d41\u52a8\u662f\u70ed\u5de5\u7a0b\u4e2d\u7684\u91cd\u8981\u7814\u7a76\u9886\u57df\u3002\u901a\u8fc7\u7406\u89e3\u6e4d\u6d41\u4e0e\u7c97\u7cd9\u8868\u9762\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u53ef\u4ee5\u4f18\u5316\u5de5\u7a0b\u8bbe\u8ba1\uff0c\u63d0\u9ad8\u8bbe\u5907\u6548\u7387\u3002\u5728\u672a\u6765\u7684\u7814\u7a76\u4e2d\uff0c\u8fd9\u4e9b\u77e5\u8bc6\u5c06\u7ee7\u7eed\u63a8\u52a8\u6280\u672f\u8fdb\u6b65\uff0c\u5e94\u7528\u4e8e\u66f4\u5e7f\u6cdb\u7684\u5de5\u7a0b\u9886\u57df\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6e4d\u6d41\u5728\u7c97\u7cd9\u8868\u9762\u7684\u6d41\u52a8\uff1a\u6df1\u5165\u89e3\u6790\u6e4d\u6d41\u5728\u4e0d\u540c\u7c97\u7cd9\u5ea6\u8868\u9762\u7684\u884c\u4e3a\u7279\u70b9\uff0c\u63a2\u8ba8\u5176\u5bf9\u5de5\u7a0b\u7cfb\u7edf\u70ed\u4ea4\u6362\u6548\u7387\u548c\u8bbe\u8ba1\u4f18\u5316\u7684\u5f71\u54cd\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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