{"id":752886,"date":"2024-11-20T13:25:09","date_gmt":"2024-11-20T12:25:09","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=752886"},"modified":"2024-11-20T13:25:09","modified_gmt":"2024-11-20T12:25:09","slug":"%e6%b0%94%e8%b1%a1%e9%a2%84%e6%8a%a5%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b0%94%e8%b1%a1%e9%a2%84%e6%8a%a5%e4%b8%ad%e7%9a%84%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6\/","title":{"rendered":"\u6c14\u8c61\u9884\u62a5\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66"},"content":{"rendered":"<p class=\"sidekick\">\u6c14\u8c61\u9884\u62a5\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u89e3\u91ca\u4e86\u5927\u6c14\u4e2d\u6c14\u6d41\u548c\u6e29\u5ea6\u5982\u4f55\u76f8\u4e92\u4f5c\u7528\uff0c\u63ed\u793a\u5929\u6c14\u9884\u62a5\u4e2d\u590d\u6742\u7684\u7269\u7406\u548c\u5de5\u7a0b\u539f\u7406\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6c14\u8c61\u9884\u62a5\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66.png\" alt=\"\u6c14\u8c61\u9884\u62a5\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6c14\u8c61\u9884\u62a5\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66<\/h2>\n<p>\u6c14\u8c61\u9884\u62a5\u4e2d\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u662f\u901a\u8fc7\u6570\u5b66\u548c\u7269\u7406\u65b9\u7a0b\u6765\u7814\u7a76\u5927\u6c14\u4e2d\u6c14\u4f53\u8fd0\u52a8\u7684\u5b66\u79d1\u3002\u5929\u6c14\u7cfb\u7edf\u7684\u9884\u6d4b\u4f9d\u8d56\u4e8e\u5bf9\u5927\u6c14\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u7406\u89e3\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u6d41\u4f53\u52a8\u529b\u5b66\u5982\u4f55\u5e94\u7528\u4e8e\u6c14\u8c61\u9884\u62a5\u3002<\/p>\n<h2>\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6c14\u8c61\u9884\u62a5\u4f9d\u8d56\u4e8e\u5bf9\u5927\u6c14\u5185\u6d41\u4f53\uff08\u5373\u7a7a\u6c14\uff09\u8fd0\u52a8\u7684\u7406\u89e3\u3002\u6d41\u4f53\u52a8\u529b\u5b66\uff0c\u7279\u6307\u5927\u6c14\u52a8\u529b\u5b66\uff0c\u7814\u7a76\u7a7a\u6c14\u6d41\u52a8\u7684\u7269\u7406\u5b9a\u5f8b\u3002\u5927\u6c14\u4e2d\u7684\u4e3b\u8981\u6d41\u52a8\u65b9\u7a0b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\uff1a<\/p>\n<p><u1><\/p>\n<li>\u8d28\u91cf\u5b88\u6052\u65b9\u7a0b<\/li>\n<li>\u52a8\u91cf\u65b9\u7a0b\uff08\u725b\u987f\u7b2c\u4e8c\u8fd0\u52a8\u5b9a\u5f8b\uff09<\/li>\n<li>\u80fd\u91cf\u5b88\u6052\u65b9\u7a0b<\/li>\n<li>\u72b6\u6001\u65b9\u7a0b\uff08\u7406\u60f3\u6c14\u4f53\u5b9a\u5f8b\uff09<\/li>\n<p><\/u1><\/p>\n<h2>\u8d28\u91cf\u5b88\u6052\u65b9\u7a0b<\/h2>\n<p>\u8d28\u91cf\u5b88\u6052\u65b9\u7a0b\u8868\u793a\u8d28\u91cf\u5728\u5c01\u95ed\u7cfb\u7edf\u5185\u4fdd\u6301\u4e0d\u53d8\uff0c\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n<p>\\[\\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\mathbf{u}) = 0\\]\n<p>\u5176\u4e2d\uff0c\\(\\rho\\) \u662f\u7a7a\u6c14\u7684\u5bc6\u5ea6\uff0c\\(\\mathbf{u}\\) \u662f\u901f\u5ea6\u77e2\u91cf\u3002<\/p>\n<h2>\u52a8\u91cf\u65b9\u7a0b<\/h2>\n<p>\u52a8\u91cf\u65b9\u7a0b\u63cf\u8ff0\u4e86\u7a7a\u6c14\u56e2\u53d7\u5230\u7684\u529b\u4e0e\u5176\u52a0\u901f\u5ea6\u7684\u5173\u7cfb\uff0c\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\\[\\rho \\left(\\frac{\\partial \\mathbf{u}}{\\partial t} + \\mathbf{u} \\cdot \\nabla \\mathbf{u}\\right) = -\\nabla p + \\rho \\mathbf{g} + \\mathbf{F}_{\\text{\u5176\u4ed6}}\\]\n<p>\u8fd9\u91cc\uff0c\\(p\\) \u662f\u538b\u5f3a\uff0c\\(\\mathbf{g}\\) \u662f\u91cd\u529b\u52a0\u901f\u5ea6\uff0c\\(\\mathbf{F}_{\\text{\u5176\u4ed6}}\\) \u5305\u62ec\u5176\u4ed6\u5916\u529b\u3002<\/p>\n<h2>\u80fd\u91cf\u5b88\u6052\u65b9\u7a0b<\/h2>\n<p>\u80fd\u91cf\u5b88\u6052\u65b9\u7a0b\u63cf\u8ff0\u4e86\u5927\u6c14\u4e2d\u7684\u80fd\u91cf\u8f6c\u6362\u8fc7\u7a0b\uff0c\u7531\u4ee5\u4e0b\u65b9\u7a0b\u8868\u793a\uff1a<\/p>\n<p>\\[\\frac{\\partial E}{\\partial t} + \\nabla \\cdot ((E + p)\\mathbf{u}) = Q\\]\n<p>\u5176\u4e2d\uff0c\\(E\\) \u662f\u603b\u80fd\u91cf\u5bc6\u5ea6\uff0c\\(Q\\) \u662f\u70ed\u6e90\u9879\u3002<\/p>\n<h2>\u7406\u60f3\u6c14\u4f53\u5b9a\u5f8b<\/h2>\n<p>\u7406\u60f3\u6c14\u4f53\u5b9a\u5f8b\u8fde\u63a5\u4e86\u7a7a\u6c14\u7684\u538b\u5f3a\u3001\u6e29\u5ea6\u548c\u5bc6\u5ea6\uff1a<\/p>\n<p>\\[p = \\rho R T\\]\n<p>\u5728\u8fd9\u91cc\uff0c\\(R\\) \u662f\u6c14\u4f53\u5e38\u6570\uff0c\\(T\\) \u662f\u6e29\u5ea6\u3002<\/p>\n<h2>\u6570\u503c\u5929\u6c14\u9884\u62a5<\/h2>\n<p>\u4ee5\u4e0a\u8fd9\u4e9b\u65b9\u7a0b\u7684\u89e3\u901a\u5e38\u901a\u8fc7\u8ba1\u7b97\u673a\u6a21\u62df\u6765\u5b9e\u73b0\uff0c\u8fd9\u662f\u6570\u503c\u5929\u6c14\u9884\u62a5\uff08NWP\uff09\u7684\u6838\u5fc3\u3002 NWP 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