{"id":740180,"date":"2024-12-12T04:27:09","date_gmt":"2024-12-12T03:27:09","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=740180"},"modified":"2024-12-12T04:27:09","modified_gmt":"2024-12-12T03:27:09","slug":"%e8%87%aa%e7%84%b6%e6%b0%b4%e4%bd%93%e4%b8%ad%e7%9a%84%e6%b5%81%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e8%87%aa%e7%84%b6%e6%b0%b4%e4%bd%93%e4%b8%ad%e7%9a%84%e6%b5%81%e5%8a%a8\/","title":{"rendered":"\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8"},"content":{"rendered":"<p class=\"sidekick\">\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8\uff1a\u89e3\u91ca\u81ea\u7136\u6c34\u4f53\u5982\u6cb3\u6d41\u3001\u6e56\u6cca\u4e2d\u7684\u6c34\u6d41\u52a8\u539f\u7406\uff0c\u6db5\u76d6\u6e29\u5ea6\u53d8\u5316\u3001\u6d41\u4f53\u52a8\u529b\u5b66\u548c\u73af\u5883\u5f71\u54cd\u7b49\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8.png\" alt=\"\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8<\/h2>\n<p>\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8\u662f\u6307\u81ea\u7136\u754c\u4e2d\u6cb3\u6d41\u3001\u6e56\u6cca\u3001\u6d77\u6d0b\u7b49\u6c34\u4f53\u4e2d\u6c34\u7684\u8fd0\u52a8\u8fc7\u7a0b\u3002\u8fd9\u79cd\u6d41\u52a8\u5728\u81ea\u7136\u754c\u4e2d\u5341\u5206\u5e38\u89c1\uff0c\u5e76\u4e14\u5bf9\u751f\u6001\u7cfb\u7edf\u548c\u4eba\u7c7b\u793e\u4f1a\u6709\u7740\u91cd\u8981\u5f71\u54cd\u3002\u6c34\u7684\u6d41\u52a8\u65b9\u5f0f\u53ef\u4ee5\u5206\u4e3a\u5c42\u6d41\u548c\u6e4d\u6d41\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u57fa\u672c\u6d41\u52a8\u7c7b\u578b\u4ee5\u53ca\u5f71\u54cd\u6c34\u6d41\u52a8\u7684\u56e0\u7d20\u3002<\/p>\n<h2>\u5c42\u6d41\u4e0e\u6e4d\u6d41<\/h2>\n<p>\u6c34\u7684\u6d41\u52a8\u53ef\u4ee5\u5206\u4e3a\u5c42\u6d41\u548c\u6e4d\u6d41\uff1a<\/p>\n<ul>\n<li><b>\u5c42\u6d41\uff1a<\/b>\u5c42\u6d41\u662f\u6307\u6c34\u5206\u5b50\u6cbf\u5e73\u884c\u4e8e\u6d41\u52a8\u65b9\u5411\u7684\u5c42\u6b21\u8fd0\u52a8\uff0c\u5206\u5b50\u4e4b\u95f4\u7684\u6df7\u5408\u51e0\u4e4e\u4e0d\u53d1\u751f\u3002\u5c42\u6d41\u901a\u5e38\u53d1\u751f\u5728\u4f4e\u901f\u548c\u9ad8\u7c98\u5ea6\u6c34\u4f53\u4e2d\u3002<\/li>\n<li><b>\u6e4d\u6d41\uff1a<\/b>\u6e4d\u6d41\u662f\u6307\u6c34\u5206\u5b50\u5728\u6d41\u52a8\u4e2d\u7ecf\u5386\u4e0d\u89c4\u5219\u548c\u968f\u673a\u7684\u6ce2\u52a8\u548c\u6df7\u5408\u3002\u8fd9\u79cd\u6d41\u52a8\u65b9\u5f0f\u901a\u5e38\u53d1\u751f\u5728\u9ad8\u901f\u548c\u4f4e\u7c98\u5ea6\u6c34\u4f53\u4e2d\u3002<\/li>\n<\/ul>\n<h2>\u96f7\u8bfa\u6570 (Re)<\/h2>\n<p>\u96f7\u8bfa\u6570 (Re) \u662f\u5224\u65ad\u6d41\u52a8\u662f\u5c42\u6d41\u8fd8\u662f\u6e4d\u6d41\u7684\u4e00\u4e2a\u91cd\u8981\u65e0\u91cf\u7eb2\u53c2\u6570\u3002\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\\[ Re = \\frac{\\rho v L}{\\mu} \\]\n<p>\u5176\u4e2d\uff0c\\( \\rho \\) \u662f\u6d41\u4f53\u5bc6\u5ea6\uff0c\\( v \\) \u662f\u6d41\u901f\uff0c\\( L \\) \u662f\u7279\u5f81\u957f\u5ea6\uff0c\\( \\mu \\) \u662f\u6d41\u4f53\u7684\u52a8\u529b\u7c98\u5ea6\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u96f7\u8bfa\u6570\u5c0f\u4e8e 2000 \u65f6\u4e3a\u5c42\u6d41\uff0c\u96f7\u8bfa\u6570\u5927\u4e8e 4000 \u65f6\u4e3a\u6e4d\u6d41\uff0c\u5728 2000 \u5230 4000 \u4e4b\u95f4\u53ef\u80fd\u662f\u8fc7\u6e21\u6d41\u52a8\u3002<\/p>\n<h2>\u5f71\u54cd\u6c34\u6d41\u52a8\u7684\u56e0\u7d20<\/h2>\n<p>\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff1a<\/p>\n<ol>\n<li><b>\u6d41\u91cf\uff1a<\/b>\u6d41\u91cf\u662f\u6307\u901a\u8fc7\u67d0\u4e00\u622a\u9762\u5355\u4f4d\u65f6\u95f4\u5185\u6d41\u52a8\u7684\u6c34\u91cf\u3002\u6d41\u91cf\u8d8a\u5927\uff0c\u6c34\u6d41\u52a8\u8d8a\u5feb\uff0c\u6d41\u4f53\u8d8a\u6709\u53ef\u80fd\u53d8\u4e3a\u6e4d\u6d41\u3002<\/li>\n<li><b>\u6c34\u6e29\uff1a<\/b>\u6c34\u6e29\u5f71\u54cd\u6c34\u7684\u7c98\u5ea6\uff0c\u6e29\u5ea6\u8d8a\u9ad8\uff0c\u7c98\u5ea6\u8d8a\u4f4e\uff0c\u6c34\u6d41\u52a8\u8d8a\u5bb9\u6613\u53d8\u4e3a\u6e4d\u6d41\u3002<\/li>\n<li><b>\u6cb3\u5e8a\u5f62\u72b6\u548c\u5761\u5ea6\uff1a<\/b>\u6cb3\u5e8a\u7684\u5f62\u72b6\u548c\u5761\u5ea6\u5bf9\u6c34\u6d41\u52a8\u6709\u663e\u8457\u5f71\u54cd\u3002\u9661\u5ced\u7684\u6cb3\u5e8a\u548c\u4e0d\u89c4\u5219\u5f62\u72b6\u66f4\u5bb9\u6613\u5f15\u53d1\u6e4d\u6d41\u3002<\/li>\n<li><b>\u969c\u788d\u7269\uff1a<\/b>\u6cb3\u9053\u4e2d\u7684\u969c\u788d\u7269\u5982\u77f3\u5757\u3001\u690d\u7269\u7b49\u4f1a\u6539\u53d8\u6c34\u6d41\u7684\u901f\u5ea6\u548c\u65b9\u5411\uff0c\u589e\u52a0\u6e4d\u6d41\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<\/ol>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u4e86\u89e3\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8\u65b9\u5f0f\u5bf9\u6c34\u8d44\u6e90\u7ba1\u7406\u3001\u751f\u6001\u4fdd\u62a4\u4ee5\u53ca\u5de5\u7a0b\u9879\u76ee\u7684\u5b9e\u65bd\u90fd\u6709\u91cd\u8981\u610f\u4e49\u3002\u901a\u8fc7\u5206\u6790\u96f7\u8bfa\u6570\u548c\u6c34\u6d41\u7684\u5404\u79cd\u5f71\u54cd\u56e0\u7d20\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u9884\u6d4b\u548c\u63a7\u5236\u6c34\u6d41\u7684\u884c\u4e3a\uff0c\u4e3a\u79d1\u5b66\u7814\u7a76\u548c\u5b9e\u9645\u5e94\u7528\u63d0\u4f9b\u53ef\u9760\u7684\u4f9d\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u81ea\u7136\u6c34\u4f53\u4e2d\u7684\u6d41\u52a8\uff1a\u89e3\u91ca\u81ea\u7136\u6c34\u4f53\u5982\u6cb3\u6d41\u3001\u6e56\u6cca\u4e2d\u7684\u6c34\u6d41\u52a8\u539f\u7406\uff0c\u6db5\u76d6\u6e29\u5ea6\u53d8\u5316\u3001\u6d41\u4f53\u52a8\u529b\u5b66\u548c\u73af\u5883\u5f71\u54cd\u7b49\u57fa\u7840\u77e5\u8bc6\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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