{"id":9161,"date":"2026-05-13T20:23:48","date_gmt":"2026-05-13T11:23:48","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=9161"},"modified":"2026-05-13T20:23:51","modified_gmt":"2026-05-13T11:23:51","slug":"%ec%98%a8%eb%8f%84%ec%b8%a1%ec%a0%95-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/%ec%98%a8%eb%8f%84%ec%b8%a1%ec%a0%95-%ec%a0%95%eb%a6%ac\/","title":{"rendered":"\uc628\ub3c4\uce21\uc815 \uc815\ub9ac"},"content":{"rendered":"\n\n\n\n\n<p>\uc5ec\uae30 \uc5c5\ub85c\ub4dc\ud574\uc8fc\uc2e0 \ub0b4\uc6a9\uc744 \ube14\ub85c\uadf8\uc6a9\uc73c\ub85c \uc815\ub9ac\ud574\ubd24\uc2b5\ub2c8\ub2e4. \ud575\uc2ec \uac1c\ub150\uc744 \uc774\ud574\ud558\uae30 \uc27d\uac8c \ud480\uc5b4\ub0b4\uace0, \ud559\uc2b5\uc790\ub098 \ud604\uc5c5 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ucc38\uace0\ud560 \uc218 \uc788\ub3c4\ub85d \uad6c\uc870\ud654\ud588\uc5b4\uc694.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83c\udf21\ufe0f \uc628\ub3c4 \uc815\ubc00 \uce21\uc815\uacfc \uc5f4\uc804\ub2ec \uae30\ucd08 \uc815\ub9ac<\/h1>\n\n\n\n<p>\uc628\ub3c4\ub294 \ub2e8\uc21c\ud788 &#8220;\ucc28\uace0 \ub728\uac70\uc6b4 \uc815\ub3c4&#8221;\ub97c \ub098\ud0c0\ub0b4\ub294 \ubb3c\ub9ac\ub7c9\uc774\uc9c0\ub9cc, \uc774\ub97c \uc815\ud655\ud788 \uce21\uc815\ud558\uace0 \uc81c\uc5b4\ud558\ub294 \uac83\uc740 \uc0b0\uc5c5\uacc4\uce21 \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uacfc\uc81c\uc785\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 <strong>\uc5f4\uc804\ub2ec\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/strong>\uc640 <strong>\uc628\ub3c4 \uce21\uc815 \uc2dc \ubc1c\uc0dd\ud558\ub294 \uc624\ucc28 \uc694\uc778<\/strong>\uc744 \uc815\ub9ac\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd25 \uc5f4\uc804\ub2ec\uc758 3\uac00\uc9c0 \ubc29\uc2dd<\/h2>\n\n\n\n<p>\uc5f4\uc740 \uc138 \uac00\uc9c0 \ubc29\uc2dd\uc73c\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc804\ub3c4<\/strong>: \uace0\uccb4 \ub0b4\ubd80\uc5d0\uc11c \ubd84\uc790 \uac04 \uc9c4\ub3d9\uacfc \ucda9\ub3cc\uc744 \ud1b5\ud574 \uc5f4\uc774 \uc804\ub2ec\ub429\ub2c8\ub2e4.\n<ul class=\"wp-block-list\">\n<li>$$\uc2dd: ( q_{cond} = kA \\frac{\\Delta T}{\\Delta x} )$$<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\ub300\ub958<\/strong>: \uc720\uccb4\uac00 \uc6c0\uc9c1\uc774\uba70 \uace0\uccb4 \ud45c\uba74\uacfc \uc811\ucd09\ud560 \ub54c \uc5f4\uc774 \uc804\ub2ec\ub429\ub2c8\ub2e4.\n<ul class=\"wp-block-list\">\n<li>$$\uc2dd: ( q_{conv} = hA(T_s &#8211; T_\\infty) )$$<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\ubcf5\uc0ac<\/strong>: \ubb3c\uccb4\uac00 \uc804\uc790\uae30\ud30c \ud615\ud0dc\ub85c \uc5d0\ub108\uc9c0\ub97c \ubc29\ucd9c\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.\n<ul class=\"wp-block-list\">\n<li>$$\uc2dd: ( q_{rad} = \\sigma \\epsilon A(T_s^4 &#8211; T_{sur}^4) )$$<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u26a1 \uc5f4\uc800\ud56d \ubaa8\ub378<\/h2>\n\n\n\n<p>\uc5f4\uc804\ub2ec\uc740 \uc804\uae30\ud68c\ub85c\uc758 \uc800\ud56d \ubaa8\ub378\uacfc \uc720\uc0ac\ud558\uac8c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc804\ub3c4 \uc5f4\uc800\ud56d<\/strong>: $$( R_{cond} = \\frac{\\Delta x}{kA} )$$<\/li>\n\n\n\n<li><strong>\ub300\ub958 \uc5f4\uc800\ud56d<\/strong>: $$( R_{conv} = \\frac{1}{hA} )$$<\/li>\n\n\n\n<li><strong>\ubcf5\uc0ac \uc5f4\uc800\ud56d<\/strong>: $$( R_{rad} = \\frac{1}{h_r A} )$$<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 \uc804\ub3c4\ub9cc \uac70\ub9ac\uc5d0 \ube44\ub840\ud558\uace0, \ub300\ub958\u00b7\ubcf5\uc0ac\ub294 \uba74\uc801\uc5d0\ub9cc \uc758\uc874\ud55c\ub2e4\ub294 \uc810\uc774 \ud2b9\uc9d5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccf \uc628\ub3c4 \uce21\uc815\uc758 \uc624\ucc28 \uc694\uc778<\/h2>\n\n\n\n<p>\uc628\ub3c4\uacc4\ub97c \uc0ac\uc6a9\ud560 \ub54c \uc2e4\uc81c \ubb3c\uccb4 \uc628\ub3c4\uc640 \uce21\uc815\uac12 \uc0ac\uc774\uc5d0\ub294 \ucc28\uc774\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c <strong>\ub2f4\uae08\ubaa8\ucc28(immersion error)<\/strong>\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uce21\uc815 \uc13c\uc11c\uac00 \uc8fc\ubcc0 \ud658\uacbd\uc758 \uc601\ud5a5\uc744 \ubc1b\uc544 \uc2e4\uc81c\ubcf4\ub2e4 \ub0ae\uac70\ub098 \ub192\uac8c \ud45c\uc2dc\ub428<\/li>\n\n\n\n<li>\uc624\ucc28\ub97c \uc904\uc774\ub294 \ubc29\ubc95:\n<ul class=\"wp-block-list\">\n<li><strong>\uc13c\uc11c \uc704\uce58 \ucd5c\uc801\ud654<\/strong><\/li>\n\n\n\n<li><strong>\uc5f4\uc800\ud56d \ucd5c\uc18c\ud654<\/strong><\/li>\n\n\n\n<li><strong>\ubcf4\uc815 \uacc4\uc0b0 \uc801\uc6a9<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddee \ub300\ud45c \uacf5\uc2dd<\/h2>\n\n\n\n<p>\ubb38\uc11c\uc5d0\uc11c \uc81c\uc2dc\ub41c \ub300\ud45c\uc801\uc778 \uad00\uacc4\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc628\ub3c4\uacc4 \uc624\ucc28 \ubaa8\ub378<\/strong><br>$$[ T_m = T_s + \\frac{R_a}{R_a + R_b}(T_a &#8211; T_s) ] \uc5ec\uae30\uc11c (T_m)\uc740 \uce21\uc815\uc628\ub3c4, (T_s)\ub294 \uc2e4\uc81c \ubb3c\uccb4\uc628\ub3c4, (T_a)\ub294 \uc8fc\ubcc0\uc628\ub3c4\uc785\ub2c8\ub2e4.$$<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2728 \ub9c8\ubb34\ub9ac<\/h2>\n\n\n\n<p>\uc628\ub3c4 \uce21\uc815\uc740 \ub2e8\uc21c\ud788 \uc22b\uc790\ub97c \uc77d\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, <strong>\uc5f4\uc804\ub2ec \uba54\ucee4\ub2c8\uc998\uacfc \uc624\ucc28 \uc694\uc778<\/strong>\uc744 \uc774\ud574\ud574\uc57c \uc815\ud655\ud55c \ub370\uc774\ud130\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c \uc815\ubc00 \uc81c\uc5b4\ub97c \uc704\ud574\uc11c\ub294 \uc774\ub7ec\ud55c \uae30\ucd08 \uac1c\ub150\uc744 \ubc18\ub4dc\uc2dc \uc219\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\ub2e4\uc74c \uae00\uc5d0\uc11c\ub294 <strong>\uc628\ub3c4 \uc13c\uc11c \uc885\ub958<\/strong>\uc640 <strong>\uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c\uc758 \ud65c\uc6a9 \uc0ac\ub840<\/strong>\ub97c \uc774\uc5b4\uc11c \uc815\ub9ac\ud574\ubcfc\uae4c\uc694?<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" 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