{"id":358816,"date":"2024-06-22T09:38:41","date_gmt":"2024-06-22T08:38:41","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%97%b4%ea%b5%90%ed%99%98%ea%b8%b0%ec%9d%98-%ec%97%b4%ec%97%ad%ed%95%99-%ed%9a%a8%ec%9c%a8%ec%84%b1\/"},"modified":"2024-06-22T09:38:41","modified_gmt":"2024-06-22T08:38:41","slug":"%ec%97%b4%ea%b5%90%ed%99%98%ea%b8%b0%ec%9d%98-%ec%97%b4%ec%97%ad%ed%95%99-%ed%9a%a8%ec%9c%a8%ec%84%b1","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%97%b4%ea%b5%90%ed%99%98%ea%b8%b0%ec%9d%98-%ec%97%b4%ec%97%ad%ed%95%99-%ed%9a%a8%ec%9c%a8%ec%84%b1\/","title":{"rendered":"\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131"},"content":{"rendered":"<p class=\"sidekick\">\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uace0, \uc5f4\uc804\ub2ec \uacc4\uc218\uc640 \uc628\ub3c4 \ucc28\uc774 \ub4f1\uc774 \ud6a8\uc728\uc131\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\uc5f4\uad50\ud658\uae30\uc758_\uc5f4\uc5ed\ud559_\ud6a8\uc728\uc131.png\" alt=\"\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131<\/h2>\n<p>\uc5f4\uad50\ud658\uae30\ub294 \uc5d0\ub108\uc9c0\ub97c \ud55c \ub9e4\uccb4\uc5d0\uc11c \ub2e4\ub978 \ub9e4\uccb4\ub85c \uc804\ub2ec\ud558\ub294 \uc7a5\uce58\ub85c, \uc8fc\ub85c \ub0c9\uac01 \ubc0f \ub09c\ubc29 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131\uc740 \uc7a5\uce58\uac00 \uc5d0\ub108\uc9c0\ub97c \uc5bc\ub9c8\ub098 \ud6a8\uacfc\uc801\uc73c\ub85c \uc804\uc1a1\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \ud6a8\uc728\uc131\uc740 \uc8fc\ub85c \ub450 \uac00\uc9c0 \uc8fc\uc694 \uc694\uc778, \uc989 \uc5f4\uc804\ub2ec \uacc4\uc218\uc640 \uc628\ub3c4 \ucc28\uc774\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc5f4\uc804\ub2ec \uacc4\uc218<\/h2>\n<p>\uc5f4\uc804\ub2ec \uacc4\uc218\ub294 \uc5f4\uc774 \ub450 \ub9e4\uccb4 \uc0ac\uc774\ub97c \uc5bc\ub9c8\ub098 \ube60\ub974\uac8c \uc804\ub2ec\ub418\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uc774 \uacc4\uc218\ub294 \uc804\ub3c4(conduction), \ub300\ub958(convection), \ubcf5\uc0ac(radiation) \ub4f1\uc758 \uc5ec\ub7ec \uac00\uc9c0 \uc5f4\uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubb3c\ub9ac\uc801\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n<p>Q = U * A * \u0394T<\/p>\n<p>\uc5ec\uae30\uc11c,<\/p>\n<ul>\n<li>Q: \ub2e8\uc704 \uc2dc\uac04\ub2f9 \uc804\ub2ec\ub418\ub294 \uc5f4\uc758 \uc591 (W\ub098 J\/s)<\/li>\n<li>U: \uc804\uccb4 \uc5f4\uc804\ub2ec\uacc4\uc218 (W\/m<sup>2<\/sup>K)<\/li>\n<li>A: \uc5f4\uad50\ud658 \uba74\uc801 (m<sup>2<\/sup>)<\/li>\n<li>\u0394T: \uc628\ub3c4 \ucc28\uc774 (K \ub610\ub294 \u00b0C)<\/li>\n<\/ul>\n<h2>\uc628\ub3c4 \ucc28\uc774<\/h2>\n<p>\uc5f4\uad50\ud658\uae30\uc758 \ub450 \ub9e4\uccb4 \uc0ac\uc774\uc758 \uc628\ub3c4 \ucc28\uc774\ub294 \uc5f4\uc804\ub2ec\uc758 \uc8fc \uc6d0\ub3d9\ub825\uc785\ub2c8\ub2e4. \ub450 \ub9e4\uccb4\uc758 \uc628\ub3c4 \ucc28\uc774\uac00 \ud074\uc218\ub85d \ub354 \ub9ce\uc740 \uc5f4\uc774 \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc628\ub3c4 \ucc28\uc774\uc5d0 \ub530\ub978 \uc5f4\uad50\ud658\uae30\uc758 \ud6a8\uc728\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \uacb0\uc815\ub429\ub2c8\ub2e4:<\/p>\n<p>\u03b5 = \\(\\frac{Q_{\uc2e4\uc81c}}{Q_{\ucd5c\ub300}}\\)<\/p>\n<p>\uc5ec\uae30\uc11c,<\/p>\n<ul>\n<li>\u03b5 : \uc5f4\uad50\ud658\uae30\uc758 \ud6a8\uc728\uc131<\/li>\n<li>Q<sub>\uc2e4\uc81c<\/sub> : \uc2e4\uc81c \uc804\ub2ec\ub41c \uc5f4\ub7c9 (W)<\/li>\n<li>Q<sub>\ucd5c\ub300<\/sub> : \uc774\uc0c1\uc801\uc778 \uc5f4\uad50\ud658\uae30\uc5d0\uc11c \ucd5c\ub300 \uac00\ub2a5 \uc804\ub2ec \uc5f4\ub7c9 (W)<\/li>\n<\/ul>\n<p>\uc774\uc0c1\uc801\uc778 \uc5f4\uad50\ud658\uae30\uc5d0\uc11c\uc758 \ucd5c\ub300 \uc804\ub2ec \uc5f4\ub7c9\uc740 \ub450 \ub9e4\uccb4\uc758 \uc628\ub3c4 \ucc28\uc774\uac00 \uac00\uc7a5 \ud070 \uc21c\uac04\uc744 \uae30\uc900\uc73c\ub85c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc774 \uac12\uc740 \ub450 \uc720\uccb4\uc758 \ubc18\ub300\ubc29\ud5a5 \ud750\ub984(counterflow) \uc2dc \ucd5c\ub300\ud654\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uae30\ud0c0 \uc694\uc778<\/h2>\n<p>\uc5f4\uad50\ud658\uae30\uc758 \ud6a8\uc728\uc131\uc744 \ud3c9\uac00\ud560 \ub54c \uace0\ub824\ud574\uc57c \ud560 \uae30\ud0c0 \uc694\uc778\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uac83\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\uc720\uccb4 \uc18d\ub3c4:<\/strong> \uc720\uccb4\uc758 \uc774\ub3d9 \uc18d\ub3c4\uac00 \ube60\ub97c\uc218\ub85d \ub300\ub958\uc5d0 \uc758\ud55c \uc5f4\uc804\ub2ec\uc774 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud45c\uba74 \ud2b9\uc131:<\/strong> \uc5f4\uad50\ud658\uae30\uc758 \ud45c\uba74\uc774 \ub9e4\ub044\ub7fd\uace0 \uccad\uacb0\ud560\uc218\ub85d \uc5f4\uc804\ub2ec\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc720\uccb4 \ud2b9\uc131:<\/strong> \uc720\uccb4\uc758 \uc810\ub3c4\uc640 \uc5f4\uc804\ub3c4\uc728 \ub4f1\uc758 \ud2b9\uc131\ub3c4 \uc5f4\uc804\ub2ec\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131\uc740 \ub2e4\uc591\ud55c \uc694\uc18c\uc5d0 \uc601\ud5a5\uc744 \ubc1b\ub294 \ubcf5\uc7a1\ud55c \uc8fc\uc81c\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uae30\ubcf8\uc801\uc73c\ub85c \uc5f4\uc804\ub2ec \uacc4\uc218\uc640 \uc628\ub3c4 \ucc28\uc774\uac00 \uc8fc\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc5f4\uad50\ud658\uae30\uc758 \uc124\uacc4\ub97c \ucd5c\uc801\ud654\ud558\uace0 \uc720\uc9c0 \uad00\ub9ac\ub97c \ucca0\uc800\ud788 \ud568\uc73c\ub85c\uc368 \uc2dc\uc2a4\ud15c\uc758 \ud6a8\uc728\uc131\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc5d0\ub108\uc9c0 \uc808\uc57d\uacfc \ube44\uc6a9 \uc808\uac10\uc758 \ud6a8\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uace0, \uc5f4\uc804\ub2ec \uacc4\uc218\uc640 \uc628\ub3c4 \ucc28\uc774 \ub4f1\uc774 \ud6a8\uc728\uc131\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[124],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131<\/title>\n<meta name=\"description\" content=\"\uc5f4\uad50\ud658\uae30\uc758 \uc5f4\uc5ed\ud559 \ud6a8\uc728\uc131\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uace0, \uc5f4\uc804\ub2ec \uacc4\uc218\uc640 \uc628\ub3c4 \ucc28\uc774 \ub4f1\uc774 \ud6a8\uc728\uc131\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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