{"id":341672,"date":"2024-06-19T23:03:54","date_gmt":"2024-06-19T22:03:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%97%b4%ed%99%95%ec%82%b0%ec%9c%a8-%ec%b8%a1%ec%a0%95-%eb%b0%a9%eb%b2%95-4%ea%b0%80%ec%a7%80\/"},"modified":"2024-06-19T23:03:54","modified_gmt":"2024-06-19T22:03:54","slug":"%ec%97%b4%ed%99%95%ec%82%b0%ec%9c%a8-%ec%b8%a1%ec%a0%95-%eb%b0%a9%eb%b2%95-4%ea%b0%80%ec%a7%80","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%97%b4%ed%99%95%ec%82%b0%ec%9c%a8-%ec%b8%a1%ec%a0%95-%eb%b0%a9%eb%b2%95-4%ea%b0%80%ec%a7%80\/","title":{"rendered":"\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0"},"content":{"rendered":"<p class=\"sidekick\">\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4: \ub808\uc774\uc800 \ud50c\ub798\uc2dc \ubd84\uc11d, \uc120\ud615 \uc5f4\uc804\ub3c4\ub3c4 \ubd84\uc11d, \uc5f4\uc804\uae30\ub825 \uce21\uc815, \ud384\uc2a4 \uc5f4\uc0ac\uc804\ub3c4\ub3c4 \ubc29\ubc95.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\uc5f4\ud655\uc0b0\uc728_\uce21\uc815_\ubc29\ubc95_4\uac00\uc9c0.png\" alt=\"\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0<\/h2>\n<p>\uc5f4\ud655\uc0b0\uc728\uc740 \uc5f4\uc774 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \uc5b4\ub5bb\uac8c \ud37c\uc9c0\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \uc911\uc694\ud55c \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc785\ub2c8\ub2e4. \uc815\ud655\ud55c \uc5f4\ud655\uc0b0\uc728\uc744 \uce21\uc815\ud558\ub294 \uac83\uc740 \uc7ac\ub8cc\uc758 \uc5f4 \uc131\ub2a5\uc744 \ubd84\uc11d\ud558\uace0 \uc124\uacc4\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ub808\uc774\uc800 \ud50c\ub798\uc2dc \ubd84\uc11d (Laser Flash Analysis, LFA)<\/li>\n<li>\uc120\ud615 \uc5f4\uc804\ub3c4\ub3c4 \ubd84\uc11d (Linear Thermal Conductivity Analysis)<\/li>\n<li>\uc5f4\uc804\uae30\ub825 \uce21\uc815 (Thermoelectric Power Measurement)<\/li>\n<li>\ud384\uc2a4 \uc5f4\uc0ac\uc804\ub3c4\ub3c4 \ubc29\ubc95 (Pulse Thermal Conductivity Method)<\/li>\n<\/ul>\n<h2>\ub808\uc774\uc800 \ud50c\ub798\uc2dc \ubd84\uc11d (Laser Flash Analysis, LFA)<\/h2>\n<p>\ub808\uc774\uc800 \ud50c\ub798\uc2dc \ubd84\uc11d\uc740 \uc5f4\ud655\uc0b0\uc728\uc744 \uce21\uc815\ud558\ub294 \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \ub808\uc774\uc800 \ud50c\ub798\uc2dc\ub97c \uc2dc\ub8cc\uc758 \ud55c\ucabd \uba74\uc5d0 \uc21c\uac04\uc801\uc73c\ub85c \ubc1c\uc0ac\ud558\uc5ec \ubc1c\uc0dd\ub41c \uc5f4\uc774 \uc2dc\ub8cc\ub97c \ud1b5\ud574 \uc804\ub2ec\ub418\uc5b4 \ubc18\ub300\ucabd \uba74\uc5d0\uc11c \uac80\ucd9c\ub418\ub294 \uc2dc\uac04\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \uc5f4\ud655\uc0b0\uc728 <i>\\(\\alpha\\)<\/i>\ub294 \ub2e4\uc74c \uacf5\uc2dd\uc744 \ud1b5\ud574 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n<p>\\[\\alpha = \\frac{L^2}{4t_{1\/2}}\\]\n<p>\uc5ec\uae30\uc11c \\(L\\)\uc740 \uc2dc\ub8cc\uc758 \ub450\uaed8, \\(t_{1\/2}\\)\ub294 \uc628\ub3c4\uac00 \ucd5c\ub300\uac12\uc758 \uc808\ubc18\uc5d0 \ub3c4\ub2ec\ud558\ub294 \uc2dc\uac04\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc120\ud615 \uc5f4\uc804\ub3c4\ub3c4 \ubd84\uc11d (Linear Thermal Conductivity Analysis)<\/h2>\n<p>\uc120\ud615 \uc5f4\uc804\ub3c4\ub3c4 \ubd84\uc11d \ubc29\ubc95\uc740 \uc2dc\ub8cc\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc804\ub3c4\ub3c4\uc640 \uc5f4\ud655\uc0b0\uc728 \uac04\uc758 \uad00\uacc4\ub97c \uc774\uc6a9\ud558\uc5ec \uc5f4\ud655\uc0b0\uc728\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \uc5f4\ud655\uc0b0\uc728 <i>\\(\\alpha\\)<\/i>\ub294 \uc5f4\uc804\ub3c4\ub3c4 \\(\\kappa\\), \ubc00\ub3c4 \\(\\rho\\), \ube44\uc5f4 \\(c_p\\)\uc758 \uad00\uacc4\ub97c \uc774\uc6a9\ud574 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n<p>\\[\\alpha = \\frac{\\kappa}{\\rho c_p}\\]\n<p>\uc774 \ubc29\ubc95\uc5d0\uc11c\ub294 \uc2dc\ub8cc\uc758 \uc5f4\uc804\ub3c4\ub3c4\uc640 \ube44\uc5f4\uc744 \uba3c\uc800 \uce21\uc815\ud55c \ud6c4, \ubc00\ub3c4\ub97c \uc54c\uace0 \uc788\ub294 \uc2dc\ub8cc\uc758 \uc5f4\ud655\uc0b0\uc728\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc5f4\uc804\uae30\ub825 \uce21\uc815 (Thermoelectric Power Measurement)<\/h2>\n<p>\uc5f4\uc804\uae30\ub825 \uce21\uc815 \ubc29\ubc95\uc740 \uc2dc\ub8cc\uc758 \ud55c\ucabd \ub05d\uc5d0 \uc5f4\uc744 \uac00\ud574 \uc628\ub3c4 \uad6c\ubc30\ub97c \ud615\uc131\ud55c \ud6c4, \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc804\uae30\ub825\uc744 \uce21\uc815\ud568\uc73c\ub85c\uc368 \uc5f4\ud655\uc0b0\uc728\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uc8fc\ub85c \uace0\uccb4 \uc7ac\ub8cc\uc758 \uc5f4\ud655\uc0b0\uc728\uc744 \ubd84\uc11d\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5f4\ud655\uc0b0\uc728\uc740 \uc628\ub3c4 \uad6c\ubc30 \\((\\Delta T)\\)\uc640 \uc0dd\uc131\ub41c \uc804\uc704\ucc28 \\((\\Delta V)\\)\uc758 \uad00\uacc4\ub97c \uc774\uc6a9\ud574 \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ud384\uc2a4 \uc5f4\uc0ac\uc804\ub3c4\ub3c4 \ubc29\ubc95 (Pulse Thermal Conductivity Method)<\/h2>\n<p>\ud384\uc2a4 \uc5f4\uc0ac\uc804\ub3c4\ub3c4 \ubc29\ubc95\uc740 \uc2dc\ub8cc\uc758 \ud55c\ucabd \ub05d\uc5d0 \uc9e7\uc740 \uc2dc\uac04 \ub3d9\uc548 \uc5f4 \ud384\uc2a4\ub97c \uac00\ud558\uace0, \uc2dc\ub8cc\ub97c \ud1b5\ud574 \uc5f4\uc774 \uc804\ub2ec\ub418\ub294 \uc18d\ub3c4\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \ud2b9\ud788 \uae08\uc18d\uc7ac\ub8cc \ubc0f \ubcf5\ud569\uc7ac\ub8cc\uc758 \uc5f4\ud655\uc0b0\uc728 \ubd84\uc11d\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5f4\ud655\uc0b0\uc728\uc740 \uc785\ub825\ub41c \uc5f4 \uc5d0\ub108\uc9c0\uc640 \ubc1c\uc0dd\ud55c \uc628\ub3c4 \ubcc0\ud654\ub97c \ubd84\uc11d\ud558\uc5ec \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95\ub4e4\uc740 \uac01\uac01\uc758 \ubc29\ubc95\ub860\uc5d0 \ub530\ub77c \uc7a5\ub2e8\uc810\uc774 \uc788\uc73c\uba70, \uc2dc\ub8cc\uc758 \ud2b9\uc131\uacfc \uc2e4\ud5d8 \ud658\uacbd\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \ubc29\ubc95\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4: \ub808\uc774\uc800 \ud50c\ub798\uc2dc \ubd84\uc11d, \uc120\ud615 \uc5f4\uc804\ub3c4\ub3c4 \ubd84\uc11d, \uc5f4\uc804\uae30\ub825 \uce21\uc815, \ud384\uc2a4 \uc5f4\uc0ac\uc804\ub3c4\ub3c4 \ubc29\ubc95.<\/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\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0<\/title>\n<meta name=\"description\" content=\"\uc5f4\ud655\uc0b0\uc728 \uce21\uc815 \ubc29\ubc95 4\uac00\uc9c0\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4: \ub808\uc774\uc800 \ud50c\ub798\uc2dc \ubd84\uc11d, \uc120\ud615 \uc5f4\uc804\ub3c4\ub3c4 \ubd84\uc11d, \uc5f4\uc804\uae30\ub825 \uce21\uc815, \ud384\uc2a4 \uc5f4\uc0ac\uc804\ub3c4\ub3c4 \ubc29\ubc95.\" \/>\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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