{"id":751645,"date":"2024-12-30T14:36:07","date_gmt":"2024-12-30T13:36:07","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=751645"},"modified":"2024-12-30T14:36:07","modified_gmt":"2024-12-30T13:36:07","slug":"%e5%b7%a5%e7%a8%8b%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%b7%a5%e7%a8%8b%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e7%a1%80\/","title":{"rendered":"\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840"},"content":{"rendered":"<p class=\"sidekick\">\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u6d41\u4f53\u529b\u5b66\u5728\u5de5\u7a0b\u5e94\u7528\u4e2d\u7684\u57fa\u672c\u539f\u7406\u548c\u5b9e\u9645\u5e94\u7528\uff0c\u5982\u7ba1\u9053\u8bbe\u8ba1\u3001\u5236\u51b7\u7cfb\u7edf\u548c\u6da1\u8f6e\u673a\u6548\u7387\u7684\u63d0\u5347\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840.png\" alt=\"\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u662f\u7814\u7a76\u6d41\u4f53\uff08\u6db2\u4f53\u548c\u6c14\u4f53\uff09\u8fd0\u52a8\u89c4\u5f8b\u7684\u5b66\u79d1\uff0c\u662f\u70ed\u5de5\u5b66\u7684\u91cd\u8981\u5206\u652f\u3002\u5b83\u5728\u5de5\u7a0b\u5e94\u7528\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\uff0c\u5982\u822a\u7a7a\u822a\u5929\u5de5\u7a0b\u3001\u673a\u68b0\u5de5\u7a0b\u3001\u5316\u5de5\u5de5\u7a0b\u53ca\u571f\u6728\u5de5\u7a0b\u3002\u901a\u8fc7\u4e86\u89e3\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5de5\u7a0b\u5e08\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u66f4\u9ad8\u6548\u3001\u66f4\u5b89\u5168\u7684\u7cfb\u7edf\u3002<\/p>\n<h3>\u6d41\u4f53\u7684\u57fa\u672c\u6027\u8d28<\/h3>\n<ul>\n<li><strong>\u5bc6\u5ea6<\/strong>\uff1a\u5bc6\u5ea6\uff08\u03c1\uff09\u8868\u793a\u5355\u4f4d\u4f53\u79ef\u7684\u6d41\u4f53\u8d28\u91cf\uff0c\u5e38\u7528kg\/m<sup>3<\/sup>\u8868\u793a\u3002<\/li>\n<li><strong>\u7c98\u5ea6<\/strong>\uff1a\u7c98\u5ea6\uff08\u03b7\uff09\u5ea6\u91cf\u6d41\u4f53\u7684\u5185\u6469\u64e6\u529b\uff0c\u5f71\u54cd\u6d41\u4f53\u7684\u6d41\u52a8\u884c\u4e3a\u3002<\/li>\n<li><strong>\u538b\u529b<\/strong>\uff1a\u538b\u529b\uff08P\uff09\u662f\u5782\u76f4\u4f5c\u7528\u4e8e\u5355\u4f4d\u9762\u79ef\u4e0a\u7684\u529b\uff0c\u5e38\u4ee5\u5e15\u65af\u5361\uff08Pa\uff09\u4e3a\u5355\u4f4d\u3002<\/li>\n<\/ul>\n<h3>\u57fa\u672c\u65b9\u7a0b<\/h3>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u4e2d\u6709\u51e0\u4e2a\u57fa\u672c\u65b9\u7a0b\u662f\u63cf\u8ff0\u6d41\u4f53\u884c\u4e3a\u7684\u6838\u5fc3\uff1a<\/p>\n<ol>\n<li><strong>\u8fde\u7eed\u6027\u65b9\u7a0b<\/strong>\uff1a\u63cf\u8ff0\u4e86\u6d41\u4f53\u5728\u4e00\u4e2a\u5c01\u95ed\u7cfb\u7edf\u5185\u7684\u8d28\u91cf\u5b88\u6052\u3002\n<div>\\( \\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\vec{v}) = 0 \\)<\/div>\n<\/li>\n<li><strong>\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b<\/strong>\uff1a\u63cf\u8ff0\u4e86\u6d41\u4f53\u7684\u7c98\u6027\u4e0e\u975e\u7c98\u6027\u8fd0\u52a8\u3002\n<div>\\( \\rho (\\frac{\\partial \\vec{v}}{\\partial t} + \\vec{v} \\cdot \\nabla \\vec{v}) = -\\nabla P + \\mu \\nabla^2 \\vec{v} + \\vec{f} \\)<\/div>\n<\/li>\n<li><strong>\u4f2f\u52aa\u5229\u65b9\u7a0b<\/strong>\uff1a\u9002\u7528\u4e8e\u65e0\u7c98\u6027\u3001\u7a33\u6001\u6d41\u4f53\uff0c\u63cf\u8ff0\u4e86\u80fd\u91cf\u5b88\u6052\u3002\n<div>\\( P + \\frac{1}{2} \\rho v^2 + \\rho gh = \u5e38\u6570 \\)<\/div>\n<\/li>\n<\/ol>\n<h3>\u6d41\u52a8\u7c7b\u578b<\/h3>\n<p>\u6d41\u4f53\u7684\u6d41\u52a8\u53ef\u4ee5\u5206\u4e3a\u591a\u79cd\u7c7b\u578b\uff0c\u6839\u636e\u6d41\u52a8\u7684\u7279\u6027\u548c\u6761\u4ef6\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<ul>\n<li><strong>\u5c42\u6d41<\/strong>\uff1a\u6d41\u4f53\u5206\u5c42\u6d41\u52a8\uff0c\u5404\u5c42\u4e4b\u95f4\u4e0d\u53d1\u751f\u6df7\u5408\uff0c\u5e38\u89c1\u4e8e\u7c98\u5ea6\u8f83\u9ad8\u7684\u6d41\u4f53\u3002<\/li>\n<li><strong>\u6e4d\u6d41<\/strong>\uff1a\u6d41\u4f53\u5206\u5c42\u7834\u788e\uff0c\u5404\u5c42\u4e4b\u95f4\u5267\u70c8\u6df7\u5408\uff0c\u5e38\u89c1\u4e8e\u9ad8\u901f\u6d41\u52a8\u6216\u4f4e\u7c98\u5ea6\u6d41\u4f53\u3002<\/li>\n<li><strong>\u8fc7\u6e21\u6d41<\/strong>\uff1a\u5904\u4e8e\u5c42\u6d41\u4e0e\u6e4d\u6d41\u4e4b\u95f4\u7684\u4e0d\u7a33\u5b9a\u6d41\u52a8\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h3>\u5de5\u7a0b\u5e94\u7528<\/h3>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u5728\u8bb8\u591a\u5de5\u7a0b\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u822a\u7a7a\u822a\u5929<\/strong>\uff1a\u8bbe\u8ba1\u98de\u673a\u548c\u822a\u5929\u5668\u7684\u6c14\u52a8\u5916\u5f62\uff0c\u4ee5\u51cf\u5c11\u7a7a\u6c14\u963b\u529b\u548c\u63d0\u9ad8\u71c3\u6cb9\u6548\u7387\u3002<\/li>\n<li><strong>\u673a\u68b0\u5de5\u7a0b<\/strong>\uff1a\u4f18\u5316\u53d1\u52a8\u673a\u548c\u6da1\u8f6e\u673a\u7684\u6027\u80fd\uff0c\u786e\u4fdd\u51b7\u5374\u7cfb\u7edf\u7684\u6709\u6548\u6027\u3002<\/li>\n<li><strong>\u571f\u6728\u5de5\u7a0b<\/strong>\uff1a\u5728\u6c34\u5229\u5de5\u7a0b\u4e2d\uff0c\u8bbe\u8ba1\u6c34\u575d\u3001\u6e20\u9053\u548c\u7ba1\u9053\u7cfb\u7edf\u3002<\/li>\n<li><strong>\u5316\u5de5\u5de5\u7a0b<\/strong>\uff1a\u5728\u53cd\u5e94\u5668\u548c\u4f20\u70ed\u8bbe\u5907\u4e2d\uff0c\u4f18\u5316\u6d41\u4f53\u6df7\u5408\u548c\u4f20\u70ed\u8fc7\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u6df1\u5165\u5b66\u4e60\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u57fa\u7840\u77e5\u8bc6\u548c\u76f8\u5173\u65b9\u7a0b\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u63a7\u5236\u6d41\u4f53\u6d41\u52a8\u73b0\u8c61\uff0c\u4ece\u800c\u63d0\u9ad8\u8bbe\u8ba1\u548c\u751f\u4ea7\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5de5\u7a0b\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u6d41\u4f53\u529b\u5b66\u5728\u5de5\u7a0b\u5e94\u7528\u4e2d\u7684\u57fa\u672c\u539f\u7406\u548c\u5b9e\u9645\u5e94\u7528\uff0c\u5982\u7ba1\u9053\u8bbe\u8ba1\u3001\u5236\u51b7\u7cfb\u7edf\u548c\u6da1\u8f6e\u673a\u6548\u7387\u7684\u63d0\u5347\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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