{"id":739034,"date":"2024-10-24T01:43:42","date_gmt":"2024-10-24T00:43:42","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=739034"},"modified":"2024-10-24T01:43:42","modified_gmt":"2024-10-24T00:43:42","slug":"%e4%ba%ba%e4%bd%93%e5%81%a5%e5%ba%b7%e4%b8%ad%e7%9a%84%e7%94%9f%e7%89%a9%e6%b5%81%e4%bd%93%e5%8a%9b%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e4%ba%ba%e4%bd%93%e5%81%a5%e5%ba%b7%e4%b8%ad%e7%9a%84%e7%94%9f%e7%89%a9%e6%b5%81%e4%bd%93%e5%8a%9b%e5%ad%a6\/","title":{"rendered":"\u4eba\u4f53\u5065\u5eb7\u4e2d\u7684\u751f\u7269\u6d41\u4f53\u529b\u5b66"},"content":{"rendered":"

\u4eba\u4f53\u5065\u5eb7\u4e2d\u7684\u751f\u7269\u6d41\u4f53\u529b\u5b66\uff1a\u63ed\u79d8\u4eba\u4f53\u5185\u6db2\u4f53\u5982\u8840\u6db2\u3001\u6dcb\u5df4\u7b49\u6d41\u52a8\u539f\u7406\u53ca\u5176\u5bf9\u5065\u5eb7\u7684\u5f71\u54cd\uff0c\u4e86\u89e3\u6d41\u4f53\u529b\u5b66\u5728\u533b\u5b66\u8bca\u65ad\u548c\u6cbb\u7597\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

\"\u4eba\u4f53\u5065\u5eb7\u4e2d\u7684\u751f\u7269\u6d41\u4f53\u529b\u5b66\"<\/p>\n

\u4eba\u4f53\u5065\u5eb7\u4e2d\u7684\u751f\u7269\u6d41\u4f53\u529b\u5b66<\/h2>\n

\u751f\u7269\u6d41\u4f53\u529b\u5b66\u662f\u7814\u7a76\u751f\u7269\u4f53\u5185\u6d41\u4f53\u8fd0\u52a8\u89c4\u5f8b\u7684\u5b66\u79d1\uff0c\u5bf9\u4e8e\u4eba\u4f53\u5065\u5eb7\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u8fd9\u4e00\u9886\u57df\u7ed3\u5408\u4e86\u6d41\u4f53\u529b\u5b66\u548c\u751f\u7269\u5b66\u7684\u77e5\u8bc6\uff0c\u5e2e\u52a9\u6211\u4eec\u7406\u89e3\u8840\u6db2\u3001\u6dcb\u5df4\u6db2\u3001\u80c3\u80a0\u6db2\u7b49\u4f53\u6db2\u5728\u4eba\u4f53\u5185\u7684\u6d41\u52a8\u548c\u529f\u80fd\uff0c\u5e76\u7528\u4e8e\u75be\u75c5\u8bca\u65ad\u548c\u6cbb\u7597\u3002<\/p>\n

\u8840\u6db2\u5faa\u73af<\/h2>\n

\u8840\u6db2\u5faa\u73af\u7cfb\u7edf\u662f\u751f\u7269\u6d41\u4f53\u529b\u5b66\u7814\u7a76\u7684\u6838\u5fc3\u4e4b\u4e00\u3002\u8840\u6db2\u5728\u5fc3\u810f\u7684\u6cf5\u9001\u4f5c\u7528\u4e0b\uff0c\u901a\u8fc7\u52a8\u8109\u3001\u6bdb\u7ec6\u8840\u7ba1\u548c\u9759\u8109\u5728\u5168\u8eab\u5faa\u73af\u3002\u901a\u5e38\u8840\u6db2\u6d41\u52a8\u7684\u57fa\u672c\u65b9\u7a0b\u662f\u4f2f\u52aa\u5229\u65b9\u7a0b\uff0c\u5b83\u63cf\u8ff0\u4e86\u538b\u529b\u80fd\uff08P\uff09\u3001\u52a8\u80fd\uff080.5 * \u03c1 * v2<\/sup>\uff09\u548c\u4f4d\u52bf\u80fd\uff08\u03c1gh\uff09\u4e4b\u95f4\u7684\u5173\u7cfb\uff1a<\/p>\n

P + 0.5 * \u03c1 * v2<\/sup> + \u03c1gh = \u5e38\u6570<\/pre>\n
\u5728\u8fd9\u65b9\u7a0b\u4e2d\uff0cP\u8868\u793a\u538b\u529b\uff0c\u03c1\u662f\u6d41\u4f53\u5bc6\u5ea6\uff0cv\u662f\u901f\u5ea6\uff0cg\u4e3a\u91cd\u529b\u52a0\u901f\u5ea6\uff0ch\u4e3a\u9ad8\u5ea6\u3002<\/p>\n
\u8840\u6db2\u9ecf\u5ea6\u548c\u96f7\u8bfa\u6570<\/h2>\n
\u8840\u6db2\u7684\u72ec\u7279\u6027\u8d28\uff0c\u5982\u9ecf\u5ea6\uff0c\u5bf9\u5176\u6d41\u52a8\u6709\u91cd\u5927\u5f71\u54cd\u3002\u9ecf\u5ea6\u662f\u6d41\u4f53\u62b5\u6297\u53d8\u5f62\u7684\u80fd\u529b\uff0c\u5f71\u54cd\u8840\u6db2\u5728\u8840\u7ba1\u4e2d\u7684\u6d41\u52a8\u3002\u96f7\u8bfa\u6570\uff08Re\uff09\u662f\u751f\u7269\u6d41\u4f53\u529b\u5b66\u4e2d\u53e6\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\uff0c\u7528\u6765\u63cf\u8ff0\u6d41\u52a8\u7c7b\u578b\uff08\u5c42\u6d41\u6216\u6e4d\u6d41\uff09\uff1a<\/p>\n
Re = (\u03c1 * v * D) \/ \u03bc<\/pre>\n
\u5176\u4e2d\uff0c\u03c1\u4e3a\u5bc6\u5ea6\uff0cv\u4e3a\u6d41\u901f\uff0cD\u4e3a\u8840\u7ba1\u76f4\u5f84\uff0c\u03bc\u4e3a\u52a8\u6001\u9ecf\u5ea6\u3002\u5f53Re\u5c0f\u4e8e2000\u65f6\uff0c\u8840\u6db2\u901a\u5e38\u5448\u5c42\u6d41\u72b6\u6001\uff1b\u5f53Re\u5927\u4e8e3000\u65f6\uff0c\u6d41\u52a8\u53ef\u80fd\u53d8\u4e3a\u6e4d\u6d41\u3002<\/p>\n
\u6dcb\u5df4\u7cfb\u7edf<\/h2>\n
\u6dcb\u5df4\u7cfb\u7edf\u4e5f\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u4f53\u6db2\u5faa\u73af\u7cfb\u7edf\uff0c\u5305\u62ec\u6dcb\u5df4\u6db2\u7684\u751f\u6210\u3001\u5faa\u73af\u548c\u6e05\u9664\u3002\u6dcb\u5df4\u6db2\u5728\u6dcb\u5df4\u7ba1\u4e2d\u6d41\u52a8\uff0c\u4f9d\u8d56\u4e8e\u9aa8\u9abc\u808c\u7684\u6324\u538b\u4f5c\u7528\u548c\u74e3\u819c\u7684\u529f\u80fd\uff0c\u9632\u6b62\u6db2\u4f53\u9006\u6d41\u3002<\/p>\n
\u751f\u7269\u6d41\u4f53\u529b\u5b66\u5728\u4e34\u5e8a\u533b\u5b66\u4e2d\u7684\u5e94\u7528<\/h2>\n
\u751f\u7269\u6d41\u4f53\u529b\u5b66\u7684\u7814\u7a76\u6210\u679c\u5728\u4e34\u5e8a\u533b\u5b66\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u8840\u6d41\u52a8\u529b\u5b66\u6a21\u578b\uff0c\u53ef\u4ee5\u8bbe\u8ba1\u548c\u4f18\u5316\u4eba\u5de5\u5fc3\u810f\u74e3\u819c\u3002\u6b64\u5916\uff0c\u751f\u7269\u6d41\u4f53\u529b\u5b66\u8fd8\u5728\u52a8\u8109\u7ca5\u6837\u786c\u5316\u3001\u52a8\u8109\u7624\u7b49\u75be\u75c5\u7684\u8bca\u65ad\u548c\u6cbb\u7597\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n
\u7ed3\u8bba<\/h2>\n
\u751f\u7269\u6d41\u4f53\u529b\u5b66\u5728\u7406\u89e3\u548c\u7ef4\u62a4\u4eba\u4f53\u5065\u5eb7\u65b9\u9762\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u5b83\u4e0d\u4ec5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u4f53\u6db2\u7684\u6b63\u5e38\u6d41\u52a8\uff0c\u8fd8\u5e2e\u52a9\u8bc6\u522b\u548c\u6cbb\u7597\u4e0e\u6d41\u4f53\u529b\u5b66\u76f8\u5173\u7684\u75be\u75c5\u3002<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eba\u4f53\u5065\u5eb7\u4e2d\u7684\u751f\u7269\u6d41\u4f53\u529b\u5b66\uff1a\u63ed\u79d8\u4eba\u4f53\u5185\u6db2\u4f53\u5982\u8840\u6db2\u3001\u6dcb\u5df4\u7b49\u6d41\u52a8\u539f\u7406\u53ca\u5176\u5bf9\u5065\u5eb7\u7684\u5f71\u54cd\uff0c\u4e86\u89e3\u6d41\u4f53\u529b\u5b66\u5728\u533b\u5b66\u8bca\u65ad\u548c\u6cbb\u7597\u4e2d\u7684\u5e94\u7528\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":"\n\u4eba\u4f53\u5065\u5eb7\u4e2d\u7684\u751f\u7269\u6d41\u4f53\u529b\u5b66<\/title>\n<meta name=\"description\" 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