{"id":357672,"date":"2024-06-22T09:25:03","date_gmt":"2024-06-22T08:25:03","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%83%81%eb%b3%80%ed%99%94-%eb%ac%bc%ec%a7%88%ec%9d%98-%ec%97%b4%ec%97%ad%ed%95%99%ec%a0%81-%eb%aa%a8%eb%8d%b8%eb%a7%81\/"},"modified":"2024-06-22T09:25:03","modified_gmt":"2024-06-22T08:25:03","slug":"%ec%83%81%eb%b3%80%ed%99%94-%eb%ac%bc%ec%a7%88%ec%9d%98-%ec%97%b4%ec%97%ad%ed%95%99%ec%a0%81-%eb%aa%a8%eb%8d%b8%eb%a7%81","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%83%81%eb%b3%80%ed%99%94-%eb%ac%bc%ec%a7%88%ec%9d%98-%ec%97%b4%ec%97%ad%ed%95%99%ec%a0%81-%eb%aa%a8%eb%8d%b8%eb%a7%81\/","title":{"rendered":"\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1"},"content":{"rendered":"<p class=\"sidekick\">\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 \uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc774 \uc5f4\ud761\uc218\ub098 \ubc29\ucd9c\uc744 \ud1b5\ud574 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub300\uc751\ud558\ub294 \ubc29\uc2dd\uc744 \uc218\ud559\uc801\uc73c\ub85c \ud45c\ud604\ud558\ub294 \uacfc\uc815\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\uc0c1\ubcc0\ud654_\ubb3c\uc9c8\uc758_\uc5f4\uc5ed\ud559\uc801_\ubaa8\ub378\ub9c1.png\" alt=\"\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1<\/h2>\n<p>\uc0c1\ubcc0\ud654 \ubb3c\uc9c8 (Phase Change Material, PCM)\uc740 \uadf8 \ub3c5\ud2b9\ud55c \uc5f4 \uc800\uc7a5 \ub2a5\ub825\uc73c\ub85c \uc778\ud574 \ub2e4\uc591\ud55c \uc5f4\uc5ed\ud559\uc801 \uc751\uc6a9\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb3c\uc9c8\ub4e4\uc740 \ud2b9\uc815 \uc628\ub3c4\uc5d0\uc11c \uc0c1\ubcc0\ud654\ub97c \uacaa\uc73c\uba70 \uc5f4\uc744 \ud761\uc218\ud558\uac70\ub098 \ubc29\ucd9c\ud569\ub2c8\ub2e4. \uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 \uc774\ub7ec\ud55c \ud2b9\uc131\uc744 \uc774\ud574\ud558\uace0 \uc608\uce21\ud558\uae30 \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h2>PCM\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>PCM\uc740 \uace0\uccb4\uc5d0\uc11c \uc561\uccb4 \ub610\ub294 \uc561\uccb4\uc5d0\uc11c \uace0\uccb4\ub85c \uc0c1\ubcc0\ud654\ub97c \uacaa\ub294 \ub3d9\uc548 \uc5f4\uc744 \ud761\uc218\ud558\uac70\ub098 \ubc29\ucd9c\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \uc784\uacc4\uc628\ub3c4\uc5d0\uc11c \uc77c\uc5b4\ub098\uba70, \uc774 \uc628\ub3c4\ub97c \uc735\ud574\uc810(fusion point) \ub610\ub294 \uc751\uace0\uc810(solidification point)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc0c1\ubcc0\ud654 \uacfc\uc815\uc744 \uc124\uba85\ud558\ub294 \uc8fc\uc694 \uc5f4\uc5ed\ud559\uc801 \ubcc0\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p><u1><\/p>\n<li>\uc735\ud574\uc5f4 (Latent Heat of Fusion): PCM\uc774 \uc0c1\ubcc0\ud654\ub97c \uacaa\uc744 \ub54c \ud761\uc218\ud558\uac70\ub098 \ubc29\ucd9c\ud558\ub294 \uc5f4\ub7c9\uc785\ub2c8\ub2e4.<\/li>\n<li>\uad6c\uccb4 \ube44\uc5f4 (Specific Heat Capacity): \uc0c1\ubcc0\ud654 \uacfc\uc815 \uc678 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub530\ub978 PCM\uc758 \uc5f4 \uc6a9\ub7c9\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc0c1\ubcc0\ud654 \uc628\ub3c4\ubc94\uc704 (Phase Change Temperature Range): \uc0c1\ubcc0\ud654\uac00 \ubc1c\uc0dd\ud558\ub294 \ud2b9\uc815 \uc628\ub3c4 \ubc94\uc704\uc785\ub2c8\ub2e4.<\/li>\n<p><\/u1><\/p>\n<h2>\uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1<\/h2>\n<p>PCM\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 PCM\uc758 \uc5f4 \uac70\ub3d9\uc744 \uc218\ud559\uc801\uc73c\ub85c \ud45c\ud604\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 PCM\uc744 \ud3ec\ud568\ud55c \uc2dc\uc2a4\ud15c\uc758 \uc5f4\uc804\ub2ec \ud574\uc11d\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc8fc\uc694 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<h3>\uc5d0\ub108\uc9c0 \ubc29\uc815\uc2dd<\/h3>\n<p>PCM\uc758 \uc5d0\ub108\uc9c0 \ubc29\uc815\uc2dd\uc740 \uc5f4\uc804\ub3c4 \ubc29\uc815\uc2dd\uacfc \uc720\uc0ac\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc5ec\uae30\uc5d0\ub294 \uc0c1\ubcc0\ud654\ub97c \uc124\uba85\ud558\ub294 \ucd94\uac00\uc801\uc778 \ud56d\ub4e4\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uae30\ubcf8 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<pre>\n\\[\n\\frac{\\partial}{\\partial t} (\\rho c_p T) = \\nabla \\cdot (k \\nabla T) + \\rho L \\frac{\\partial f}{\\partial t}\n\\]\n<\/pre>\n<p>\uc5ec\uae30\uc11c:<\/p>\n<p><u1><\/p>\n<li>\\( \\rho \\): \ubc00\ub3c4<\/li>\n<li>\\( c_p \\): \ube44\uc5f4<\/li>\n<li>\\( T \\): \uc628\ub3c4<\/li>\n<li>\\( k \\): \uc5f4\uc804\ub3c4\ub3c4<\/li>\n<li>\\( L \\): \uc735\ud574\uc5f4<\/li>\n<li>\\( f \\): \uc561\uccb4 \ubd84\uc728<\/li>\n<p><\/u1><\/p>\n<h3>\uc561\uccb4 \ubd84\uc728 (Liquid Fraction)<\/h3>\n<p>\uc561\uccb4 \ubd84\uc728 \\(f\\)\uc740 PCM\uc774 \uace0\uccb4\uc5d0\uc11c \uc561\uccb4\ub85c, \ub610\ub294 \ubc18\ub300\ub85c \ubcc0\ud560 \ub54c \uc0c1\ubcc0\ud654\uc758 \uc9c4\uc804\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \uc0c1\ubcc0\ud654 \uc628\ub3c4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre>\n\\[\nf = \\frac{T - T_s}{T_l - T_s}\n\\]\n<\/pre>\n<p>\uc5ec\uae30\uc11c:<\/p>\n<p><u1><\/p>\n<li>\\( T_s \\): \uc0c1\ubcc0\ud654 \uc2dc\uc791 \uc628\ub3c4<\/li>\n<li>\\( T_l \\): \uc0c1\ubcc0\ud654 \uc885\ub8cc \uc628\ub3c4<\/li>\n<p><\/u1><\/p>\n<h2>\uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>PCM\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 \ub2e4\uc591\ud55c \uc2e4\uc6a9\uc801\uc778 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc608\ub85c\ub294:<\/p>\n<p><o1><\/p>\n<li>\uac74\ucd95\ubb3c\uc758 \uc5d0\ub108\uc9c0 \ud6a8\uc728 \ud5a5\uc0c1<\/li>\n<li>\uc804\uc790\uae30\uae30 \ub0c9\uac01 \uc2dc\uc2a4\ud15c<\/li>\n<li>\uc5f4 \uc5d0\ub108\uc9c0 \uc800\uc7a5 \uc2dc\uc2a4\ud15c<\/li>\n<li>\uc758\ub8cc\uc6a9 \uc628\ub3c4 \uc870\uc808 \uc7a5\uce58<\/li>\n<p><\/o1><\/p>\n<p>\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 \uadf8 \ubcf5\uc7a1\uc131\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, \uc815\ud655\ud55c \uc124\uacc4\uc640 \uc608\uce21\uc744 \uac00\ub2a5\ud558\uac8c \ud558\uc5ec \ub9ce\uc740 \uc0b0\uc5c5 \ubc0f \uc5f0\uad6c \ubd84\uc57c\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 \uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc774 \uc5f4\ud761\uc218\ub098 \ubc29\ucd9c\uc744 \ud1b5\ud574 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub300\uc751\ud558\ub294 \ubc29\uc2dd\uc744 \uc218\ud559\uc801\uc73c\ub85c \ud45c\ud604\ud558\ub294 \uacfc\uc815\uc744 \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>\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1<\/title>\n<meta name=\"description\" content=\"\uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc758 \uc5f4\uc5ed\ud559\uc801 \ubaa8\ub378\ub9c1\uc740 \uc0c1\ubcc0\ud654 \ubb3c\uc9c8\uc774 \uc5f4\ud761\uc218\ub098 \ubc29\ucd9c\uc744 \ud1b5\ud574 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub300\uc751\ud558\ub294 \ubc29\uc2dd\uc744 \uc218\ud559\uc801\uc73c\ub85c \ud45c\ud604\ud558\ub294 \uacfc\uc815\uc744 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