{"id":360874,"date":"2024-06-22T11:54:10","date_gmt":"2024-06-22T10:54:10","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ed%8f%b4%eb%a6%ac%eb%a8%b8-%ea%b0%80%ea%b3%b5%ec%97%90%ec%84%9c%ec%9d%98-%ec%97%b4-%ec%a0%84%eb%8b%ac\/"},"modified":"2024-06-22T11:54:10","modified_gmt":"2024-06-22T10:54:10","slug":"%ed%8f%b4%eb%a6%ac%eb%a8%b8-%ea%b0%80%ea%b3%b5%ec%97%90%ec%84%9c%ec%9d%98-%ec%97%b4-%ec%a0%84%eb%8b%ac","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ed%8f%b4%eb%a6%ac%eb%a8%b8-%ea%b0%80%ea%b3%b5%ec%97%90%ec%84%9c%ec%9d%98-%ec%97%b4-%ec%a0%84%eb%8b%ac\/","title":{"rendered":"\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c\uc758 \uc5f4 \uc804\ub2ec"},"content":{"rendered":"<p class=\"sidekick\">\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c\uc758 \uc5f4 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uacfc \uadf8 \uc911\uc694\uc131\uc744 \uc774\ud574\ud558\uc5ec \ub354 \ud6a8\uc728\uc801\uc774\uace0 \ud488\uc9c8 \uc88b\uc740 \uc81c\ud488\uc744 \uc0dd\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\ud3f4\ub9ac\uba38_\uac00\uacf5\uc5d0\uc11c\uc758_\uc5f4_\uc804\ub2ec.png\" alt=\"\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c\uc758 \uc5f4 \uc804\ub2ec\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c\uc758 \uc5f4 \uc804\ub2ec<\/h2>\n<p>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c \uc5f4 \uc804\ub2ec\uc740 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \ud3f4\ub9ac\uba38(\uace0\ubd84\uc790) \uc7ac\ub8cc\ub97c \uc6d0\ud558\ub294 \ubaa8\uc591\uacfc \uc131\uc9c8\ub85c \ubcc0\ud615\uc2dc\ud0a4\uae30 \uc704\ud574 \ud544\uc218\uc801\uc778 \uc694\uc18c\uc785\ub2c8\ub2e4. \ud3f4\ub9ac\uba38\uc758 \uc5f4\uc804\ub2ec \ud2b9\uc131\uc744 \uc774\ud574\ud558\uba74 \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc774\uace0 \ud488\uc9c8 \uc88b\uc740 \uc81c\ud488\uc744 \uc0dd\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc5f4 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998<\/h2>\n<p>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c \uc5f4 \uc804\ub2ec\uc740 \uc8fc\ub85c \uc804\ub3c4(conduction)\uc640 \ub300\ub958(convection)\ub85c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \uc804\ub3c4\ub294 \uace0\uccb4 \ub0b4\ubd80\uc758 \uc5f4 \uc774\ub3d9 \ubc29\ubc95\uc774\uba70, \ub300\ub958\ub294 \uc720\uccb4 \ub0b4\ubd80\uc758 \uc5f4 \uc774\ub3d9 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc774 \ub450 \uac00\uc9c0 \uc5f4 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uc5d0 \ub300\ud55c \uc124\uba85\uc785\ub2c8\ub2e4:<\/p>\n<p><u1><\/p>\n<li><b>\uc804\ub3c4 (Conduction)<\/b>: \ud3f4\ub9ac\uba38 \ubd84\uc790\ub294 \uc5f4\uc5d0\ub108\uc9c0\ub97c \uc778\uc811 \ubd84\uc790\uc5d0 \uc804\ub2ec\ud558\uba70, \uc774\ub7ec\ud55c \ubd84\uc790 \uac04 \uc5d0\ub108\uc9c0 \uad50\ud658\uc744 \ud1b5\ud574 \uc5f4\uc774 \uc774\ub3d9\ud569\ub2c8\ub2e4. Fourier \ubc95\uce59\uc5d0 \ub530\ub974\uba74, \uc5f4 \uc804\ub3c4\uc728 \\( k \\) \uac12\uc774 \ub192\uc740 \uc7ac\ub8cc\uc77c\uc218\ub85d \uc5f4\uc774 \ube68\ub9ac \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc218\uc2dd\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<\/li>\n<p><\/u1><\/p>\n<p>\n\\[<br \/>\nQ = -k \\cdot A \\cdot \\frac{{dT}}{{dx}}<br \/>\n\\]\n\uc5ec\uae30\uc11c, <br \/>\nQ\ub294 \uc5f4\uc804\ub2ec\ub7c9 (W), <br \/>\nk\ub294 \uc5f4 \uc804\ub3c4\uc728 (W\/m\u00b7K), <br \/>\nA\ub294 \ub2e8\uba74\uc801 (m\u00b2), <br \/>\ndT\ub294 \uc628\ub3c4 \ucc28\uc774 (K), <br \/>\ndx\ub294 \uae38\uc774\ucc28 (m) \uc785\ub2c8\ub2e4.\n<\/p>\n<p><u1><\/p>\n<li><b>\ub300\ub958 (Convection)<\/b>: \ud3f4\ub9ac\uba38\uac00 \uac00\uacf5\ub418\ub294 \uacfc\uc815\uc5d0\uc11c\ub294 \uc885\uc885 \uc561\uccb4 \uc0c1\ud0dc\uc758 \ud3f4\ub9ac\uba38\uac00 \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub54c \ubc1c\uc0dd\ud558\ub294 \uc5f4 \uc774\ub3d9\uc740 \ub300\ub958\ub85c \uc778\ud574 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \ub274\ud134\uc758 \ub0c9\uac01 \ubc95\uce59(Newton&#8217;s Law of Cooling)\uc5d0 \ub530\ub974\uba74, \ub300\ub958\uc5d0 \uc758\ud55c \uc5f4 \uc804\ub2ec\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/li>\n<p><\/u1><\/p>\n<p>\n\\[<br \/>\nQ = h \\cdot A \\cdot (T_s &#8211; T_f)<br \/>\n\\]\n\uc5ec\uae30\uc11c, <br \/>\nQ\ub294 \uc5f4 \uc804\ub2ec\ub7c9 (W), <br \/>\nh\ub294 \ub300\ub958 \uc5f4\uc804\ub2ec \uacc4\uc218 (W\/m\u00b2\u00b7K), <br \/>\nA\ub294 \uc5f4 \uc804\ub2ec \uba74\uc801 (m\u00b2), <br \/>\nT_s\ub294 \ud45c\uba74 \uc628\ub3c4 (K), <br \/>\nT_f\ub294 \uc720\uccb4 \uc628\ub3c4 (K) \uc785\ub2c8\ub2e4.\n<\/p>\n<h2>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c\uc758 \uc751\uc6a9<\/h2>\n<p>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c \uc5f4 \uc804\ub2ec\uc740 \ub2e4\uc591\ud55c \ub2e8\uacc4\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4. \uadf8 \uc911 \uba87 \uac00\uc9c0 \uc8fc\uc694 \ub2e8\uacc4\ub97c \uc0b4\ud3b4 \ubd05\uc2dc\ub2e4:<\/p>\n<p><o1><\/p>\n<li><b>\uc0ac\ucd9c \uc131\ud615 (Injection Molding)<\/b>: \uc774 \uacfc\uc815\uc5d0\uc11c\ub294 \uace0\uccb4 \ud3f4\ub9ac\uba38\ub97c \ub179\uc5ec \uc561\uccb4 \uc0c1\ud0dc\ub85c \ub9cc\ub4e0 \ud6c4, \uae08\ud615\uc5d0 \uc8fc\uc785\ud569\ub2c8\ub2e4. \ud3f4\ub9ac\uba38\uac00 \uae08\ud615 \ub0b4\ubd80\uc5d0\uc11c \uc5f4 \uc804\ub3c4\ub97c \ud1b5\ud574 \ub0c9\uac01\ub418\uc5b4 \uc6d0\ud558\ub294 \ubaa8\uc591\uc73c\ub85c \uad73\uc2b5\ub2c8\ub2e4.<\/li>\n<li><b>\uc555\ucd9c \uc131\ud615 (Extrusion)<\/b>: \uc555\ucd9c \uc131\ud615\uc740 \ud3f4\ub9ac\uba38\ub97c \uac00\uc5f4\ud558\uc5ec \ub179\uc778 \ud6c4, \ud2b9\uc815 \ubaa8\uc591\uc758 \ub2e4\uc774\ub97c \ud1b5\ud574 \uc5f0\uc18d\uc801\uc73c\ub85c \ubc00\uc5b4\ub0b4\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc77c\uc815\ud55c \uc5f4 \uc804\ub2ec\uc774 \ud544\uc694\ud558\uba70, \uc628\ub3c4 \uc870\uc808\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><b>\uc5f4\uc131\ud615 (Thermoforming)<\/b>: \uc774 \uacfc\uc815\uc5d0\uc11c\ub294 \ud3f4\ub9ac\uba38 \uc2dc\ud2b8\ub97c \uac00\uc5f4\ud558\uc5ec \uc720\uc5f0\ud55c \uc0c1\ud0dc\ub85c \ub9cc\ub4e0 \ud6c4, \ud615\uc0c1\ud654\ub41c \ud2c0\uc5d0 \ub9de\ucdb0 \uac00\uacf5\ud569\ub2c8\ub2e4. \uc5f4 \uc804\ub2ec\uc774 \ud3f4\ub9ac\uba38 \uc2dc\ud2b8\ub97c \uc801\uc808\ud55c \uc628\ub3c4\ub85c \uac00\uc5f4\ud558\ub294 \ud575\uc2ec \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<p><\/o1><\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c \uc5f4 \uc804\ub2ec\uc758 \uc911\uc694\uc131\uc740 \ud3f4\ub9ac\uba38\uac00 \uace0\uccb4\uc5d0\uc11c \uc561\uccb4\ub85c, \ub2e4\uc2dc \uace0\uccb4\ub85c \ubcc0\ud658\ub418\ub294 \uacfc\uc815\uc744 \ud1b5\ud574 \uc27d\uac8c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uc744 \uc774\ud574\ud558\uace0 \uc870\uc808\ud558\ub294 \uac83\uc740 \uace0\ud488\uc9c8 \ud3f4\ub9ac\uba38 \uc81c\ud488\uc744 \ub9cc\ub4dc\ub294\ub370 \uc911\uc694\ud569\ub2c8\ub2e4. \uc55e\uc73c\ub85c\uc758 \uae30\uc220 \ubc1c\uc804\uc740 \ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c \ub354\uc6b1 \ud6a8\uc728\uc801\uc774\uace0 \uc815\ubc00\ud55c \uc5f4 \uc804\ub2ec \uae30\uc220\uc744 \uc694\uad6c\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud3f4\ub9ac\uba38 \uac00\uacf5\uc5d0\uc11c\uc758 \uc5f4 \uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uacfc \uadf8 \uc911\uc694\uc131\uc744 \uc774\ud574\ud558\uc5ec \ub354 \ud6a8\uc728\uc801\uc774\uace0 \ud488\uc9c8 \uc88b\uc740 \uc81c\ud488\uc744 \uc0dd\uc0b0\ud558\ub294 \ubc29\ubc95\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 - 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