{"id":717226,"date":"2024-10-19T21:08:56","date_gmt":"2024-10-19T20:08:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=717226"},"modified":"2024-10-19T21:08:56","modified_gmt":"2024-10-19T20:08:56","slug":"%e9%bb%91%e4%bd%93%e8%be%90%e5%b0%84%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e7%83%ad%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e9%bb%91%e4%bd%93%e8%be%90%e5%b0%84%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e7%83%ad%e4%bc%a0%e9%80%92\/","title":{"rendered":"\u9ed1\u4f53\u8f90\u5c04\u5982\u4f55\u5f71\u54cd\u70ed\u4f20\u9012"},"content":{"rendered":"

\u9ed1\u4f53\u8f90\u5c04\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u5728\u70ed\u4f20\u9012\u4e2d\u7684\u5173\u952e\u4f5c\u7528\uff0c\u89e3\u91ca\u5982\u4f55\u5f71\u54cd\u70ed\u80fd\u4ea4\u6362\u548c\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u80fd\u6548\u63d0\u5347\u3002<\/p>\n

\"\u9ed1\u4f53\u8f90\u5c04\u5982\u4f55\u5f71\u54cd\u70ed\u4f20\u9012\"<\/p>\n

\u9ed1\u4f53\u8f90\u5c04\u5982\u4f55\u5f71\u54cd\u70ed\u4f20\u9012<\/h2>\n

\u9ed1\u4f53\u8f90\u5c04\u5728\u70ed\u4f20\u9012\u8fc7\u7a0b\u4e2d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u7406\u89e3\u9ed1\u4f53\u8f90\u5c04\u7684\u57fa\u672c\u6982\u5ff5\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u638c\u63e1\u70ed\u4f20\u9012\u539f\u7406\u3002<\/p>\n

\u4ec0\u4e48\u662f\u9ed1\u4f53\u8f90\u5c04\uff1f<\/h2>\n

\u9ed1\u4f53\u662f\u6307\u4e00\u4e2a\u7406\u60f3\u7684\u7269\u4f53\uff0c\u5b83\u80fd\u591f\u5438\u6536\u5168\u90e8\u5165\u5c04\u7684\u7535\u78c1\u8f90\u5c04\uff0c\u5e76\u4e14\u6ca1\u6709\u4efb\u4f55\u7684\u53cd\u5c04\u6216\u900f\u5c04\u3002\u9ed1\u4f53\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u4f1a\u4ee5\u7279\u5b9a\u7684\u65b9\u5f0f\u8f90\u5c04\u70ed\u80fd\uff0c\u8fd9\u79cd\u8f90\u5c04\u73b0\u8c61\u79f0\u4e3a\u9ed1\u4f53\u8f90\u5c04\u3002<\/p>\n

\u9ed1\u4f53\u8f90\u5c04\u7684\u6027\u8d28\u53ef\u4ee5\u7528\u666e\u6717\u514b\u5b9a\u5f8b\uff08Planck’s Law\uff09\u6765\u63cf\u8ff0\u3002\u666e\u6717\u514b\u5b9a\u5f8b\u6307\u51fa\uff0c\u5728\u7ed9\u5b9a\u6e29\u5ea6 T<\/i> \u4e0b\uff0c\u9ed1\u4f53\u5728\u6bcf\u4e2a\u6ce2\u957f\u5904\u7684\u8f90\u5c04\u80fd\u91cf\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n

\n      \n<\/pre>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • i<\/i>(T<\/i>, \u03bb<\/i>) \u662f\u6ce2\u957f \u03bb<\/i> \u5904\u7684\u8f90\u5c04\u5f3a\u5ea6<\/li>\n
  • T<\/i> \u662f\u7edd\u5bf9\u6e29\u5ea6\uff08\u5f00\u5c14\u6587\uff09<\/li>\n
  • h<\/i> \u662f\u666e\u6717\u514b\u5e38\u6570<\/li>\n
  • c<\/i> \u662f\u5149\u901f<\/li>\n
  • k<\/i> \u662f\u73bb\u5c14\u5179\u66fc\u5e38\u6570<\/li>\n<\/ul>\n
    \u65af\u7279\u85e9-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b<\/h2>\n
    \u9664\u4e86\u666e\u6717\u514b\u5b9a\u5f8b\uff0c\u65af\u7279\u85e9-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b\uff08Stefan-Boltzmann Law\uff09\u4e5f\u53ef\u4ee5\u63cf\u8ff0\u9ed1\u4f53\u8f90\u5c04\u3002\u5b83\u8868\u793a\u6bcf\u5355\u4f4d\u9762\u79ef\u4e0a\u7684\u603b\u8f90\u5c04\u80fd\u91cf E<\/i> \u662f\u7edd\u5bf9\u6e29\u5ea6 T<\/i> \u7684\u56db\u6b21\u65b9\uff1a<\/p>\n
    \n   E<\/i> = \u03c3 T<\/i>4<\/sup>\n<\/pre>\n
    \u5176\u4e2d\uff0c\u03c3<\/i> \u662f\u65af\u7279\u85e9-\u73bb\u5c14\u5179\u66fc\u5e38\u6570\u3002<\/p>\n
    \u9ed1\u4f53\u8f90\u5c04\u4e0e\u70ed\u4f20\u9012<\/h2>\n
    \u9ed1\u4f53\u8f90\u5c04\u76f4\u63a5\u5f71\u54cd\u70ed\u4f20\u9012\u7684\u8fc7\u7a0b\uff0c\u7279\u522b\u662f\u5728\u8f90\u5c04\u4f20\u70ed\uff08Radiative Heat Transfer\uff09\u65b9\u9762\u3002\u5373\u4f7f\u7269\u4f53\u5e76\u975e\u7406\u60f3\u7684\u9ed1\u4f53\uff0c\u5b83\u4eec\u7684\u53d1\u5c04\u8f90\u5c04\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u53d1\u5c04\u7387\uff08Emissivity\uff09\u8fdb\u884c\u63cf\u8ff0\u3002\u53d1\u5c04\u7387 \u03b5<\/i> \u662f\u5b9e\u9645\u7269\u4f53\u4e0e\u9ed1\u4f53\u7684\u8f90\u5c04\u80fd\u529b\u4e4b\u6bd4\uff0c\u53d6\u503c\u8303\u56f4\u5728 0 \u5230 1 \u4e4b\u95f4\u3002<\/p>\n
    \u5b9e\u9645\u5e94\u7528<\/h2>\n
    \u5728\u5b9e\u9645\u5de5\u7a0b\u5e94\u7528\u4e2d\uff0c\u9ed1\u4f53\u8f90\u5c04\u6982\u5ff5\u88ab\u5e7f\u6cdb\u7528\u4e8e\u8bbe\u8ba1\u70ed\u8f90\u5c04\u7cfb\u7edf\uff0c\u4f8b\u5982\uff1a<\/p>\n
      \n
    1. \u592a\u9633\u80fd\u63a5\u6536\u5668\uff1a\u901a\u8fc7\u4f18\u5316\u8868\u9762\u7684\u53d1\u5c04\u7387\u6765\u63d0\u9ad8\u80fd\u91cf\u5438\u6536\u6548\u7387\u3002<\/li>\n
    2. \u4fdd\u6e29\u6750\u6599\uff1a\u8bbe\u8ba1\u4f4e\u53d1\u5c04\u7387\u6750\u6599\u4ee5\u51cf\u5c11\u70ed\u8f90\u5c04\u635f\u5931\u3002<\/li>\n
    3. \u70ed\u6210\u50cf\u8bbe\u5907\uff1a\u5229\u7528\u9ed1\u4f53\u8f90\u5c04\u539f\u7406\u6765\u68c0\u6d4b\u5e76\u6d4b\u91cf\u7269\u4f53\u7684\u6e29\u5ea6\u3002<\/li>\n<\/ol>\n
      \u603b\u7ed3<\/h2>\n
      \u9ed1\u4f53\u8f90\u5c04\u662f\u7406\u89e3\u70ed\u4f20\u9012\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u6982\u5ff5\u3002\u901a\u8fc7\u638c\u63e1\u9ed1\u4f53\u8f90\u5c04\u7684\u57fa\u672c\u539f\u7406\u548c\u5e94\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u548c\u4f18\u5316\u70ed\u4f20\u9012\u8fc7\u7a0b\uff0c\u4ece\u800c\u63d0\u9ad8\u5de5\u7a0b\u7cfb\u7edf\u7684\u6548\u7387\u4e0e\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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