{"id":724452,"date":"2024-11-29T01:52:32","date_gmt":"2024-11-29T00:52:32","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=724452"},"modified":"2024-11-29T01:52:32","modified_gmt":"2024-11-29T00:52:32","slug":"%e6%b5%81%e4%bd%93%e7%b2%98%e5%ba%a6%e7%9a%84%e5%85%ab%e7%a7%8d%e7%b1%bb%e5%9e%8b%e8%ae%b2%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b5%81%e4%bd%93%e7%b2%98%e5%ba%a6%e7%9a%84%e5%85%ab%e7%a7%8d%e7%b1%bb%e5%9e%8b%e8%ae%b2%e8%a7%a3\/","title":{"rendered":"\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u7c7b\u578b\u8bb2\u89e3"},"content":{"rendered":"<p class=\"sidekick\">\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u7c7b\u578b\u8bb2\u89e3\uff1a\u8be6\u7ec6\u4ecb\u7ecd\u4e0d\u540c\u6d41\u4f53\u7c98\u5ea6\u7c7b\u578b\u53ca\u5176\u7279\u70b9\uff0c\u7406\u89e3\u7c98\u5ea6\u5728\u70ed\u5de5\u7a0b\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u4fc3\u8fdb\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u7c7b\u578b\u8bb2\u89e3.png\" alt=\"\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u7c7b\u578b\u8bb2\u89e3\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u7c7b\u578b\u8bb2\u89e3<\/h2>\n<p>\u5728\u70ed\u5de5\u5b66\u4e2d\uff0c\u6d41\u4f53\u7684\u7c98\u5ea6\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u7c98\u5ea6\u662f\u6d41\u4f53\u5185\u90e8\u963b\u529b\u7684\u91cf\u5ea6\uff0c\u662f\u7406\u89e3\u6d41\u4f53\u6d41\u52a8\u7279\u6027\u7684\u57fa\u7840\u3002\u6839\u636e\u6d41\u4f53\u7684\u4e0d\u540c\u7279\u6027\uff0c\u7c98\u5ea6\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u516b\u79cd\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li>\u52a8\u529b\u7c98\u5ea6<\/li>\n<li>\u8fd0\u52a8\u7c98\u5ea6<\/li>\n<li>\u7b49\u6e29\u7c98\u5ea6<\/li>\n<li>\u7b49\u71b5\u7c98\u5ea6<\/li>\n<li>\u7edd\u70ed\u7c98\u5ea6<\/li>\n<li>\u4f53\u79ef\u7c98\u5ea6<\/li>\n<li>\u8868\u89c2\u7c98\u5ea6<\/li>\n<li>\u5c48\u670d\u7c98\u5ea6<\/li>\n<\/ul>\n<h2>1. \u52a8\u529b\u7c98\u5ea6<\/h2>\n<p>\u52a8\u529b\u7c98\u5ea6\uff0c\u901a\u5e38\u8bb0\u4f5c \\(\\mu\\)\uff0c\u662f\u6d41\u4f53\u5728\u526a\u5207\u5e94\u529b\u4e0b\u6d41\u52a8\u7684\u963b\u529b\u3002\u5176SI\u5355\u4f4d\u662f\u5e15\u00b7\u79d2 (Pa\u00b7s)\uff0c\u4e5f\u79f0\u4e3a\u6cca (Poise)\u3002\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>\n    <i>\u52a8\u529b\u7c98\u5ea6 (\u03bc) = \\frac{\u526a\u5207\u5e94\u529b (\\tau)}{\u901f\u5ea6\u68af\u5ea6 (\\frac{dv}{dy})}<\/i>\n<\/p>\n<h2>2. \u8fd0\u52a8\u7c98\u5ea6<\/h2>\n<p>\u8fd0\u52a8\u7c98\u5ea6\uff0c\u8bb0\u4f5c \\(\\nu\\)\uff0c\u662f\u52a8\u529b\u7c98\u5ea6\u4e0e\u6d41\u4f53\u5bc6\u5ea6 (\\(\\rho\\)) \u4e4b\u6bd4\u3002\u5176SI\u5355\u4f4d\u662f\u5e73\u65b9\u7c73\u6bcf\u79d2 (m\u00b2\/s)\u3002\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>\n    <i>\u8fd0\u52a8\u7c98\u5ea6 (\\nu) = \\frac{\u52a8\u529b\u7c98\u5ea6 (\\mu)}{\u6d41\u4f53\u5bc6\u5ea6 (\\rho)}<\/i>\n<\/p>\n<h2>3. \u7b49\u6e29\u7c98\u5ea6<\/h2>\n<p>\u7b49\u6e29\u7c98\u5ea6\u6307\u7684\u662f\u5728\u6052\u5b9a\u6e29\u5ea6\u6761\u4ef6\u4e0b\u6d4b\u91cf\u7684\u6d41\u4f53\u7c98\u5ea6\u3002\u8fd9\u79cd\u7c98\u5ea6\u5728\u7279\u5b9a\u6e29\u5ea6\u4e0b\u5982\u5b9e\u9a8c\u5ba4\u6761\u4ef6\u4e0b\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h2>4. \u7b49\u71b5\u7c98\u5ea6<\/h2>\n<p>\u7b49\u71b5\u7c98\u5ea6\u662f\u5728\u6d41\u4f53\u71b5\u4fdd\u6301\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\u6d4b\u5f97\u7684\u7c98\u5ea6\uff0c\u8fd9\u901a\u5e38\u5728\u7edd\u70ed\u8fc7\u7a0b\u4e2d\u8ba8\u8bba\u3002<\/p>\n<h2>5. \u7edd\u70ed\u7c98\u5ea6<\/h2>\n<p>\u7edd\u70ed\u7c98\u5ea6\u662f\u6307\u5728\u7edd\u70ed\u6761\u4ef6\u4e0b\u6d4b\u91cf\u7684\u6d41\u4f53\u7c98\u5ea6\uff0c\u5373\u5728\u6ca1\u6709\u70ed\u91cf\u4f20\u9012\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<h2>6. \u4f53\u79ef\u7c98\u5ea6<\/h2>\n<p>\u4f53\u79ef\u7c98\u5ea6\uff0c\u4e5f\u79f0\u4e3a\u7b2c\u4e8c\u7c98\u5ea6\u7cfb\u6570\uff0c\u662f\u6d41\u4f53\u5728\u4f53\u79ef\u53d8\u5316\u65f6\u6240\u8868\u73b0\u51fa\u6765\u7684\u963b\u529b\u3002\u5bf9\u4e8e\u538b\u7f29\u6d41\u4f53\u7684\u884c\u4e3a\u63cf\u8ff0\u975e\u5e38\u91cd\u8981\u3002\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>\n    <i>\u4f53\u79ef\u7c98\u5ea6 (\\(\\mu_v\\)) = \\frac{\u6b63\u5e38\u5e94\u529b(\\sigma) }{\u4f53\u79ef\u81a8\u80c0\u7387 (\\frac{dV}{V dt})}<\/i>\n<\/p>\n<h2>7. \u8868\u89c2\u7c98\u5ea6<\/h2>\n<p>\u8868\u89c2\u7c98\u5ea6\u662f\u975e\u725b\u987f\u6d41\u4f53\u7684\u4e00\u4e2a\u7279\u5f81\uff0c\u5728\u8fd9\u79cd\u6d41\u4f53\u4e2d\uff0c\u7c98\u5ea6\u56e0\u5e94\u53d8\u7387\u7684\u53d8\u5316\u800c\u53d8\u3002\u8fd9\u79cd\u7c98\u5ea6\u5bf9\u4e8e\u63cf\u8ff0\u8868\u9762\u6d3b\u6027\u7269\u8d28\u548c\u60ac\u6d6e\u6db2\u975e\u5e38\u5173\u952e\u3002<\/p>\n<h2>8. \u5c48\u670d\u7c98\u5ea6<\/h2>\n<p>\u5c48\u670d\u7c98\u5ea6\u662f\u63cf\u8ff0\u5177\u6709\u5c48\u670d\u5e94\u529b\u7684\u6d41\u4f53\u7c98\u5ea6\uff0c\u5373\u53ea\u6709\u65bd\u52a0\u4e00\u5b9a\u5e94\u529b\u540e\u6d41\u4f53\u624d\u5f00\u59cb\u6d41\u52a8\u3002\u8fd9\u79cd\u7c98\u5ea6\u5bf9\u4e8e\u6ce5\u6d46\u548c\u7259\u818f\u7c7b\u7269\u8d28\u7684\u6d41\u52a8\u7279\u6027\u63cf\u8ff0\u975e\u5e38\u9002\u7528\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u4e3b\u8981\u7c7b\u578b\u3002\u901a\u8fc7\u5bf9\u4e0d\u540c\u7c7b\u578b\u7c98\u5ea6\u7684\u7406\u89e3\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5206\u6790\u548c\u5e94\u7528\u6d41\u4f53\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u7684\u8868\u73b0\uff0c\u4e3a\u70ed\u5de5\u5b66\u548c\u5176\u4ed6\u76f8\u5173\u9886\u57df\u63d0\u4f9b\u79d1\u5b66\u57fa\u7840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d41\u4f53\u7c98\u5ea6\u7684\u516b\u79cd\u7c7b\u578b\u8bb2\u89e3\uff1a\u8be6\u7ec6\u4ecb\u7ecd\u4e0d\u540c\u6d41\u4f53\u7c98\u5ea6\u7c7b\u578b\u53ca\u5176\u7279\u70b9\uff0c\u7406\u89e3\u7c98\u5ea6\u5728\u70ed\u5de5\u7a0b\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u4fc3\u8fdb\u5b9e\u9645\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":"<!-- 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