{"id":718802,"date":"2024-09-26T03:43:55","date_gmt":"2024-09-26T02:43:55","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=718802"},"modified":"2024-09-26T03:43:55","modified_gmt":"2024-09-26T02:43:55","slug":"%e7%83%ad%e6%89%a9%e6%95%a3%e5%a6%82%e4%bd%95%e5%88%86%e7%a6%bb%e5%88%86%e5%ad%90","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e7%83%ad%e6%89%a9%e6%95%a3%e5%a6%82%e4%bd%95%e5%88%86%e7%a6%bb%e5%88%86%e5%ad%90\/","title":{"rendered":"\u70ed\u6269\u6563\u5982\u4f55\u5206\u79bb\u5206\u5b50"},"content":{"rendered":"<p class=\"sidekick\">\u70ed\u6269\u6563\u5982\u4f55\u5206\u79bb\u5206\u5b50\uff1a\u4e86\u89e3\u70ed\u6269\u6563\u7684\u57fa\u672c\u539f\u7406\u53ca\u5176\u5728\u5206\u79bb\u4e0d\u540c\u5927\u5c0f\u548c\u8d28\u91cf\u7684\u5206\u5b50\u4e2d\u7684\u5e94\u7528\uff0c\u63ed\u793a\u5176\u5728\u5de5\u4e1a\u548c\u79d1\u5b66\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u70ed\u6269\u6563\u5982\u4f55\u5206\u79bb\u5206\u5b50.png\" alt=\"\u70ed\u6269\u6563\u5982\u4f55\u5206\u79bb\u5206\u5b50\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u70ed\u6269\u6563\u5982\u4f55\u5206\u79bb\u5206\u5b50<\/h2>\n<p>\u70ed\u6269\u6563\u662f\u4e00\u79cd\u5229\u7528\u6e29\u5ea6\u5dee\u5f02\u6765\u5206\u79bb\u5206\u5b50\u7684\u6280\u672f\u3002\u5728\u70ed\u6269\u6563\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u52a0\u70ed\u4e00\u4e2a\u8868\u9762\u5e76\u51b7\u5374\u53e6\u4e00\u4e2a\u76f8\u5bf9\u9762\uff0c\u521b\u5efa\u6e29\u5ea6\u68af\u5ea6\uff0c\u4ece\u800c\u5bfc\u81f4\u4e0d\u540c\u5206\u5b50\u7684\u6269\u6563\u901f\u5ea6\u4e0d\u540c\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e00\u8fc7\u7a0b\u7684\u539f\u7406\u548c\u5e94\u7528\u3002<\/p>\n<h2>\u70ed\u6269\u6563\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u70ed\u6269\u6563\u7684\u4e3b\u8981\u539f\u7406\u662f\u57fa\u4e8e\u5206\u5b50\u5728\u6e29\u5ea6\u68af\u5ea6\u4e0b\u7684\u8fd0\u52a8\u884c\u4e3a\u3002\u4e0d\u540c\u7684\u5206\u5b50\u6839\u636e\u5176\u8d28\u91cf\u3001\u5927\u5c0f\u548c\u5f62\u72b6\uff0c\u5bf9\u6e29\u5ea6\u5dee\u5f02\u7684\u54cd\u5e94\u4e5f\u4e0d\u540c\u3002\u56e0\u6b64\uff0c\u5728\u6e29\u5ea6\u68af\u5ea6\u4e0b\uff0c\u4e0d\u540c\u7c7b\u578b\u7684\u5206\u5b50\u4f1a\u4ee5\u4e0d\u540c\u7684\u901f\u7387\u79fb\u52a8\u3002<\/p>\n<h2>\u516c\u5f0f\u548c\u65b9\u7a0b<\/h2>\n<p>\u63cf\u8ff0\u70ed\u6269\u6563\u7684\u4e3b\u516c\u5f0f\u4e4b\u4e00\u662f\u5085\u7acb\u53f6\u70ed\u4f20\u5bfc\u65b9\u7a0b\uff1a<\/p>\n<pre> \\(\n\\frac{\\partial T}{\\partial t} = \\alpha \\nabla^2 T\n\\)<\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><b>T<\/b> \u662f\u6e29\u5ea6<\/li>\n<li><b>t<\/b> \u662f\u65f6\u95f4<\/li>\n<li><b>\\alpha<\/b> \u662f\u70ed\u6269\u6563\u7cfb\u6570<\/li>\n<li><b>\\nabla^2<\/b> \u662f\u62c9\u666e\u62c9\u65af\u7b97\u5b50<\/li>\n<\/ul>\n<h2>\u5b9e\u9645\u5e94\u7528<\/h2>\n<h3>\u6c14\u4f53\u5206\u79bb<\/h3>\n<p>\u70ed\u6269\u6563\u5e38\u7528\u4e8e\u9ad8\u6548\u5206\u79bb\u4e0d\u540c\u79cd\u7c7b\u7684\u6c14\u4f53\u3002\u4f8b\u5982\uff0c\u6c22\u6c14\u548c\u91cd\u6c22\u7684\u5206\u79bb\u5c31\u662f\u5229\u7528\u70ed\u6269\u6563\u6280\u672f\u5b9e\u73b0\u7684\u3002<\/p>\n<h3>\u6db2\u4f53\u6df7\u5408\u7269\u7684\u5206\u79bb<\/h3>\n<p>\u9664\u4e86\u6c14\u4f53\uff0c\u70ed\u6269\u6563\u8fd8\u7528\u4e8e\u5206\u79bb\u6db2\u4f53\u6df7\u5408\u7269\u3002\u901a\u8fc7\u5728\u6db2\u4f53\u6df7\u5408\u7269\u4e2d\u5f15\u5165\u6e29\u5ea6\u68af\u5ea6\uff0c\u53ef\u4ee5\u5206\u79bb\u51fa\u4e0d\u540c\u6210\u5206\u7684\u6db2\u4f53\u3002<\/p>\n<h2>\u70ed\u6269\u6563\u8bbe\u5907\u7684\u8bbe\u8ba1<\/h2>\n<p>\u4e3a\u4e86\u6709\u6548\u5730\u5229\u7528\u70ed\u6269\u6563\u8fdb\u884c\u5206\u5b50\u5206\u79bb\uff0c\u8bbe\u5907\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u90e8\u5206\uff1a<\/p>\n<ol>\n<li>\u4ea7\u751f\u6e29\u5ea6\u68af\u5ea6\u7684\u70ed\u6e90\u548c\u51b7\u5374\u7cfb\u7edf<\/li>\n<li>\u5206\u5b50\u8fd0\u52a8\u7684\u901a\u9053\u6216\u8154\u4f53<\/li>\n<li>\u6536\u96c6\u5206\u79bb\u540e\u4ea7\u7269\u7684\u7cfb\u7edf<\/li>\n<\/ol>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u70ed\u6269\u6563\u662f\u4e00\u79cd\u5229\u7528\u6e29\u5ea6\u68af\u5ea6\u6765\u5206\u79bb\u4e0d\u540c\u5206\u5b50\u7684\u6709\u6548\u65b9\u6cd5\u3002\u5b83\u5728\u6c14\u4f53\u5206\u79bb\u548c\u6db2\u4f53\u6df7\u5408\u7269\u5206\u79bb\u4e2d\u90fd\u6709\u5e7f\u6cdb\u5e94\u7528\u3002\u901a\u8fc7\u9002\u5f53\u7684\u8bbe\u5907\u8bbe\u8ba1\u548c\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u591a\u79cd\u7269\u8d28\u7684\u9ad8\u6548\u5206\u79bb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u70ed\u6269\u6563\u5982\u4f55\u5206\u79bb\u5206\u5b50\uff1a\u4e86\u89e3\u70ed\u6269\u6563\u7684\u57fa\u672c\u539f\u7406\u53ca\u5176\u5728\u5206\u79bb\u4e0d\u540c\u5927\u5c0f\u548c\u8d28\u91cf\u7684\u5206\u5b50\u4e2d\u7684\u5e94\u7528\uff0c\u63ed\u793a\u5176\u5728\u5de5\u4e1a\u548c\u79d1\u5b66\u4e2d\u7684\u91cd\u8981\u6027\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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