{"id":740294,"date":"2024-09-05T01:25:51","date_gmt":"2024-09-05T00:25:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=740294"},"modified":"2024-09-05T01:25:51","modified_gmt":"2024-09-05T00:25:51","slug":"%e5%b2%a9%e5%9c%9f%e5%b7%a5%e7%a8%8b%e4%b8%ad%e5%a4%9a%e5%ad%94%e4%bb%8b%e8%b4%a8%e7%9a%84%e6%b5%81%e5%8a%a8","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e5%b2%a9%e5%9c%9f%e5%b7%a5%e7%a8%8b%e4%b8%ad%e5%a4%9a%e5%ad%94%e4%bb%8b%e8%b4%a8%e7%9a%84%e6%b5%81%e5%8a%a8\/","title":{"rendered":"\u5ca9\u571f\u5de5\u7a0b\u4e2d\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8"},"content":{"rendered":"<p class=\"sidekick\">\u5173\u952e\u8bcd\uff1a\u5ca9\u571f\u5de5\u7a0b\u4e2d\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8\uff1b\u89e3\u91ca\u591a\u5b54\u4ecb\u8d28\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8\u673a\u5236\uff0c\u53ca\u5176\u5728\u5ca9\u571f\u5de5\u7a0b\u4e2d\u7684\u5e94\u7528\uff0c\u5e2e\u52a9\u7406\u89e3\u5730\u4e0b\u6c34\u6e17\u6d41\u4e0e\u571f\u4f53\u7a33\u5b9a\u6027\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u5ca9\u571f\u5de5\u7a0b\u4e2d\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8.png\" alt=\"\u5ca9\u571f\u5de5\u7a0b\u4e2d\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u5ca9\u571f\u5de5\u7a0b\u4e2d\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8<\/h2>\n<p>\u5ca9\u571f\u5de5\u7a0b\u662f\u7814\u7a76\u5ca9\u77f3\u548c\u571f\u58e4\u6027\u8d28\u53ca\u5176\u5728\u5de5\u7a0b\u4e2d\u7684\u5e94\u7528\u7684\u5b66\u79d1\u3002\u5f53\u6d89\u53ca\u5230\u6d41\u4f53\u5728\u5ca9\u571f\u6750\u6599\u4e2d\u7684\u6d41\u52a8\u65f6\uff0c\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u662f\u591a\u5b54\u4ecb\u8d28\u3002\u5728\u5ca9\u571f\u5de5\u7a0b\u4e2d\uff0c\u591a\u5b54\u4ecb\u8d28\u901a\u5e38\u662f\u6307\u90a3\u4e9b\u7531\u56fa\u4f53\u9897\u7c92\u548c\u8fde\u901a\u7a7a\u9699\uff08\u5b54\u9699\uff09\u7ec4\u6210\u7684\u6750\u6599\uff0c\u4f8b\u5982\u571f\u58e4\u3001\u7802\u5ca9\u548c\u5ca9\u77f3\u3002<\/p>\n<h2>\u591a\u5b54\u4ecb\u8d28\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u591a\u5b54\u4ecb\u8d28\u7684\u4e00\u4e2a\u5173\u952e\u7279\u5f81\u662f\u5176\u5b54\u9699\u7387\u3002\u8fd9\u662f\u6307\u591a\u5b54\u4ecb\u8d28\u4e2d\u7a7a\u9699\u4f53\u79ef\u4e0e\u603b\u4f53\u79ef\u7684\u6bd4\u503c\uff0c\u7528\u516c\u5f0f\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\n\\[<br \/>\n\\phi = \\frac{V_{\\text{voids}}}{V_{\\text{total}}}<br \/>\n\\]\n<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><u1><\/p>\n<li><i>\u03c6<\/i> = \u5b54\u9699\u7387<\/li>\n<li><i>V<sub>voids<\/sub><\/i> = \u7a7a\u9699\u4f53\u79ef<\/li>\n<li><i>V<sub>total<\/sub><\/i> = \u603b\u4f53\u79ef<\/li>\n<p><\/u1><\/p>\n<h2>\u591a\u5b54\u4ecb\u8d28\u4e2d\u7684\u6d41\u52a8\u89c4\u5f8b<\/h2>\n<p>\u63cf\u8ff0\u6d41\u4f53\u5728\u591a\u5b54\u4ecb\u8d28\u4e2d\u6d41\u52a8\u7684\u57fa\u672c\u5b9a\u5f8b\u662f\u8fbe\u897f\u5b9a\u5f8b\u3002\u8fbe\u897f\u5b9a\u5f8b\u8868\u8fbe\u4e86\u6d41\u91cf\u4e0e\u538b\u5dee\u548c\u4ecb\u8d28\u6027\u8d28\u7684\u5173\u7cfb\uff1a<\/p>\n<p>\n\\[<br \/>\nQ = -K \\frac{A \\Delta P}{L}<br \/>\n\\]\n<\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><u1><\/p>\n<li><i>Q<\/i> = \u6d41\u91cf<\/li>\n<li><i>K<\/i> = \u6e17\u900f\u7cfb\u6570<\/li>\n<li><i>A<\/i> = \u622a\u9762\u79ef<\/li>\n<li><i>\u0394P<\/i> = \u538b\u5dee<\/li>\n<li><i>L<\/i> = \u6d41\u52a8\u8def\u5f84\u957f\u5ea6<\/li>\n<p><\/u1><\/p>\n<p>\u6e17\u900f\u7cfb\u6570 <i>K<\/i> \u662f\u4e00\u4e2a\u8868\u5f81\u591a\u5b54\u4ecb\u8d28\u5bf9\u6d41\u4f53\u6d41\u52a8\u963b\u529b\u7684\u53c2\u6570\uff0c\u5176\u503c\u4f9d\u8d56\u4e8e\u4ecb\u8d28\u7684\u6027\u8d28\u548c\u6d41\u52a8\u7684\u6d41\u4f53\u6027\u8d28\u3002<\/p>\n<h2>\u5e94\u7528\u4e0e\u5b9e\u4f8b<\/h2>\n<p>\u5728\u5ca9\u571f\u5de5\u7a0b\u4e2d\uff0c\u591a\u5b54\u4ecb\u8d28\u6d41\u52a8\u7406\u8bba\u6709\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<p><u1><\/p>\n<li><b>\u5730\u4e0b\u6c34\u6d41\u52a8\uff1a<\/b> \u7528\u4e8e\u5206\u6790\u548c\u9884\u6d4b\u5730\u4e0b\u6c34\u7684\u6d41\u52a8\u8def\u5f84\u548c\u901f\u7387\uff0c\u8fd9\u5bf9\u4e8e\u6c34\u8d44\u6e90\u7ba1\u7406\u548c\u73af\u5883\u4fdd\u62a4\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><b>\u6cb9\u6c14\u7530\u5f00\u53d1\uff1a<\/b> \u901a\u8fc7\u7814\u7a76\u50a8\u5c42\u5ca9\u77f3\u7684\u591a\u5b54\u4ecb\u8d28\u6027\u8d28\uff0c\u53ef\u4ee5\u4f18\u5316\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u7684\u5f00\u91c7\u6280\u672f\u3002<\/li>\n<li><b>\u571f\u58e4\u6c61\u67d3\u63a7\u5236\uff1a<\/b> \u7406\u89e3\u6c61\u67d3\u7269\u5728\u571f\u58e4\u4e2d\u7684\u6269\u6563\u673a\u5236\uff0c\u4ee5\u8bbe\u8ba1\u6709\u6548\u7684\u6c61\u67d3\u63a7\u5236\u548c\u4fee\u590d\u65b9\u6cd5\u3002<\/li>\n<p><\/u1><\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8\u5728\u5ca9\u571f\u5de5\u7a0b\u4e2d\u5360\u6709\u91cd\u8981\u5730\u4f4d\u3002\u901a\u8fc7\u638c\u63e1\u591a\u5b54\u4ecb\u8d28\u7684\u57fa\u672c\u6982\u5ff5\u548c\u6d41\u52a8\u89c4\u5f8b\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5e94\u7528\u4e8e\u5b9e\u9645\u5de5\u7a0b\u95ee\u9898\uff0c\u5982\u5730\u4e0b\u6c34\u7ba1\u7406\u3001\u77f3\u6cb9\u5f00\u91c7\u548c\u73af\u5883\u4fdd\u62a4\u3002\u7ee7\u7eed\u6df1\u5165\u5b66\u4e60\u8fd9\u4e9b\u539f\u7406\u548c\u65b9\u6cd5\u5c06\u63a8\u52a8\u672a\u6765\u66f4\u6709\u6548\u548c\u53ef\u6301\u7eed\u7684\u5ca9\u571f\u5de5\u7a0b\u5b9e\u8df5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u952e\u8bcd\uff1a\u5ca9\u571f\u5de5\u7a0b\u4e2d\u591a\u5b54\u4ecb\u8d28\u7684\u6d41\u52a8\uff1b\u89e3\u91ca\u591a\u5b54\u4ecb\u8d28\u4e2d\u7684\u6d41\u4f53\u6d41\u52a8\u673a\u5236\uff0c\u53ca\u5176\u5728\u5ca9\u571f\u5de5\u7a0b\u4e2d\u7684\u5e94\u7528\uff0c\u5e2e\u52a9\u7406\u89e3\u5730\u4e0b\u6c34\u6e17\u6d41\u4e0e\u571f\u4f53\u7a33\u5b9a\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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