{"id":361138,"date":"2024-06-22T11:57:39","date_gmt":"2024-06-22T10:57:39","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%97%b4%ec%a0%84%eb%8b%ac-%ea%b3%84%ec%88%98-%ec%b8%a1%ec%a0%95\/"},"modified":"2024-06-22T11:57:39","modified_gmt":"2024-06-22T10:57:39","slug":"%ec%97%b4%ec%a0%84%eb%8b%ac-%ea%b3%84%ec%88%98-%ec%b8%a1%ec%a0%95","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%97%b4%ec%a0%84%eb%8b%ac-%ea%b3%84%ec%88%98-%ec%b8%a1%ec%a0%95\/","title":{"rendered":"\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815"},"content":{"rendered":"<p class=\"sidekick\">\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815 \ubc29\ubc95 \ubc0f \uc911\uc694\uc131\uc744 \uc774\ud574\ud558\uace0, \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac \uc2dc\uc2a4\ud15c \ub514\uc790\uc778\uc744 \uc704\ud55c \uc5f4\uc804\ub2ec \uae30\ubcf8 \uc6d0\ub9ac\uc640 \uce21\uc815 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\uc5f4\uc804\ub2ec_\uacc4\uc218_\uce21\uc815.png\" alt=\"\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815<\/h2>\n<p>\uc5f4\uc804\ub2ec \uacc4\uc218\ub294 \ub2e4\uc591\ud55c \uc5f4\uc804\ub2ec \ud604\uc0c1\uc744 \uc774\ud574\ud558\uace0 \ubd84\uc11d\ud558\ub294 \ub370 \uc911\uc694\ud55c \ubcc0\uc218 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc5f4\uc804\ub2ec \uacc4\uc218\ub97c \uc815\ud655\ud788 \uce21\uc815\ud558\ub294 \uac83\uc740 \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\uace0 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc5f4\uc804\ub2ec \uacc4\uc218\ub780?<\/h2>\n<p>\uc5f4\uc804\ub2ec \uacc4\uc218(Heat Transfer Coefficient)\ub294 \uc5f4\uc774 \ub2e8\uc704 \uba74\uc801\uc744 \ud1b5\ud574 \ub2e8\uc704 \uc2dc\uac04 \ub3d9\uc548 \uc804\ub2ec\ub418\ub294 \uc18d\ub3c4\ub97c \ub098\ud0c0\ub0b4\ub294 \uc9c0\uc218\uc785\ub2c8\ub2e4. \uc774\ub294 \uc628\ub3c4 \ucc28\uc774\uc5d0 \uc758\ud55c \uc5f4 \ud750\ub984\uc758 \uc18d\ub3c4\ub97c \uc815\ub7c9\ud654\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5f4\uc804\ub2ec \uacc4\uc218\ub294 \ubcf4\ud1b5 <i>h<\/i>\ub85c \ud45c\uae30\ub418\uba70, \ub2e8\uc704\ub294 W\/(m\u00b2\u00b7K)\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc5f4\uc804\ub2ec\uc758 \ud615\ud0dc<\/h2>\n<ul>\n<li><b>\uc804\ub3c4(Conduction)<\/b>: \uace0\uccb4 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \uc5f4\uc774 \uc774\ub3d9\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. Fourier \ubc95\uce59\uc5d0 \ub530\ub77c \uc124\uba85\ub429\ub2c8\ub2e4. Fourier \ubc95\uce59\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<br \/>\n    <i>q = -k \\nabla T<\/i><br \/>\n    \uc5ec\uae30\uc11c <i>q<\/i>\ub294 \uc5f4 \ud750\ub984, <i>k<\/i>\ub294 \uc5f4\uc804\ub3c4\ub3c4, <i>\u2207T<\/i>\ub294 \uc628\ub3c4 \uad6c\ubc30\uc785\ub2c8\ub2e4.<\/li>\n<li><b>\ub300\ub958(Convection)<\/b>: \uc720\uccb4(\uc561\uccb4\ub098 \uae30\uccb4) \ub0b4\uc5d0\uc11c \uc5f4\uc774 \uc774\ub3d9\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \ub300\ub958 \uc5f4\uc804\ub2ec\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<br \/>\n    <sup>q\u0307 = hA(T_s &#8211; T_f)<\/sup><br \/>\n    \uc5ec\uae30\uc11c <i>q\u0307<\/i>\ub294 \ub300\ub958\uc5d0 \uc758\ud55c \uc5f4 \uc804\ub2ec, <i>h<\/i>\ub294 \ub300\ub958 \uc5f4\uc804\ub2ec \uacc4\uc218, <i>A<\/i>\ub294 \uba74\uc801, <i>T_s<\/i>\ub294 \ud45c\uba74 \uc628\ub3c4, <i>T_f<\/i>\ub294 \uc720\uccb4 \uc628\ub3c4\uc785\ub2c8\ub2e4.<\/li>\n<li><b>\ubcf5\uc0ac(Radiation)<\/b>: \uc804\uc790\uae30\ud30c\ub97c \ud1b5\ud574 \uc5f4\uc774 \uc774\ub3d9\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \ubcf5\uc0ac \uc5f4\uc804\ub2ec\uc740 \uc2a4\ud14c\ud310-\ubcfc\uce20\ub9cc \ubc95\uce59\uc744 \ud1b5\ud574 \uc124\uba85\ub429\ub2c8\ub2e4:<br \/>\n    <i>q = \u03b5\u03c3AT^4<\/i><br \/>\n    \uc5ec\uae30\uc11c <i>\u03b5<\/i>\ub294 \ubcf5\uc0ac\uc728, <i>\u03c3<\/i>\ub294 \uc2a4\ud14c\ud310-\ubcfc\uce20\ub9cc \uc0c1\uc218, <i>A<\/i>\ub294 \uba74\uc801, <i>T<\/i>\ub294 \uc808\ub300 \uc628\ub3c4\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815 \ubc29\ubc95<\/h2>\n<ol>\n<li><b>\uc815\ub7c9\uc801 \uc2e4\ud5d8 \ubc29\ubc95<\/b>: \uae30\uae30\uc640 \uc13c\uc11c\ub97c \uc774\uc6a9\ud574 \uc9c1\uc811 \uc5f4\uc804\ub2ec \uacc4\uc218\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc5f4\uc720\uc18d\uacc4\uc640 \uc628\ub3c4\uacc4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uac04\uc811\uc801 \uacc4\uc0b0 \ubc29\ubc95<\/b>: \uc5f4\uc804\ub2ec\uc2dd\uacfc \uacbd\uacc4 \uc870\uac74\uc744 \uc774\uc6a9\ud574 \uc5f4\uc804\ub2ec \uacc4\uc218\ub97c \ucd94\uc815\ud569\ub2c8\ub2e4. \uc2e4\ud5d8\uc801 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc5f4\uade0\ud615 \ubc29\uc815\uc2dd\uc744 \uc138\uc6b0\uace0 \ubd84\uc11d\ud558\uc5ec \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc720\ud55c \uc694\uc18c\ubc95(FEM)<\/b>: \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc774\ub098 \uacbd\uacc4 \uc870\uac74\uc744 \uac16\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5f4\uc804\ub2ec \uacc4\uc218\ub97c \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc720\ud55c \uc694\uc18c\ubc95\uc744 \uc774\uc6a9\ud558\uba74 \uc218\uce58 \uc2dc\ubbac\ub808\uc774\uc158\uc744 \ud1b5\ud574 \uc815\ud655\ud55c \uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc5f4\uc804\ub2ec \uacc4\uc218\ub294 \uc5f4\uc804\ub2ec \ud604\uc0c1\uc744 \uc774\ud574\ud558\uace0 \uc608\uce21\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ubc29\ubc95\uc744 \ud1b5\ud574 \uc5f4\uc804\ub2ec \uacc4\uc218\ub97c \uce21\uc815\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc801\uc778 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\uace0 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8 \uc6d0\ub9ac\uc640 \uce21\uc815 \ubc29\ubc95\uc744 \ucda9\ubd84\ud788 \uc774\ud574\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815 \ubc29\ubc95 \ubc0f \uc911\uc694\uc131\uc744 \uc774\ud574\ud558\uace0, \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac \uc2dc\uc2a4\ud15c \ub514\uc790\uc778\uc744 \uc704\ud55c \uc5f4\uc804\ub2ec \uae30\ubcf8 \uc6d0\ub9ac\uc640 \uce21\uc815 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\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\uc804\ub2ec \uacc4\uc218 \uce21\uc815<\/title>\n<meta name=\"description\" content=\"\uc5f4\uc804\ub2ec \uacc4\uc218 \uce21\uc815 \ubc29\ubc95 \ubc0f \uc911\uc694\uc131\uc744 \uc774\ud574\ud558\uace0, \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac \uc2dc\uc2a4\ud15c \ub514\uc790\uc778\uc744 \uc704\ud55c \uc5f4\uc804\ub2ec \uae30\ubcf8 \uc6d0\ub9ac\uc640 \uce21\uc815 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\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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