{"id":338794,"date":"2024-06-19T22:29:32","date_gmt":"2024-06-19T21:29:32","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%ea%b0%80-%ec%95%8c%ec%95%84%ec%95%bc-%ed%95%a0-8%ea%b0%80%ec%a7%80-%ec%9c%a0%ec%b2%b4-%ec%97%ad%ed%95%99-%eb%aa%a8%eb%8d%b8\/"},"modified":"2024-06-19T22:29:32","modified_gmt":"2024-06-19T21:29:32","slug":"%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%ea%b0%80-%ec%95%8c%ec%95%84%ec%95%bc-%ed%95%a0-8%ea%b0%80%ec%a7%80-%ec%9c%a0%ec%b2%b4-%ec%97%ad%ed%95%99-%eb%aa%a8%eb%8d%b8","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%ea%b0%80-%ec%95%8c%ec%95%84%ec%95%bc-%ed%95%a0-8%ea%b0%80%ec%a7%80-%ec%9c%a0%ec%b2%b4-%ec%97%ad%ed%95%99-%eb%aa%a8%eb%8d%b8\/","title":{"rendered":"\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 8\uac00\uc9c0 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378"},"content":{"rendered":"<p class=\"sidekick\">\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\uc744 \uc124\uba85\ud55c \uae00\ub85c, \ub274\ud134 \uc720\uccb4\ubd80\ud130 \ub09c\ub958 \ubaa8\ub378\uae4c\uc9c0 8\uac00\uc9c0 \uc911\uc694\ud55c \ubaa8\ub378\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\uc5d4\uc9c0\ub2c8\uc5b4\uac00_\uc54c\uc544\uc57c_\ud560_8\uac00\uc9c0_\uc720\uccb4_\uc5ed\ud559_\ubaa8\ub378.png\" alt=\"\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 8\uac00\uc9c0 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 8\uac00\uc9c0 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378<\/h2>\n<p>\uc720\uccb4 \uc5ed\ud559\uc740 \uc720\uccb4(\uc561\uccb4\uc640 \uae30\uccb4)\uc758 \uc6c0\uc9c1\uc784\uacfc \ud798\uc744 \uc5f0\uad6c\ud558\ub294 \uacfc\ud559\uc758 \ud55c \ubd84\uc57c\ub85c, \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc9c0\uc2dd\uc785\ub2c8\ub2e4. \uc5f4\uc5ed\ud559 \ubc0f \uae30\uccb4\uc5ed\ud559\uacfc \uac19\uc740 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 \uc911\uc694\ud55c 8\uac00\uc9c0 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n<p><u1><\/p>\n<li>\ub274\ud134 \uc720\uccb4 \ubaa8\ub378<\/li>\n<p>\ub274\ud134 \uc720\uccb4\ub294 \ubcc0\ud615\ub960\uacfc \uc804\ub2e8 \uc751\ub825 \uc0ac\uc774\uc758 \uad00\uacc4\uac00 \uc120\ud615\uc778 \uc720\uccb4\ub97c \ub9d0\ud569\ub2c8\ub2e4. \ub274\ud134\uc758 \uc810\uc131 \ubc95\uce59\uc5d0 \ub530\ub77c \uc804\ub2e8 \uc751\ub825 $\\tau$\ub294 \uc804\ub2e8 \ubcc0\ud615\ub960 \uc18d\ub3c4 $\\frac{du}{dy}$\uc640 \uc810\uc131 \uacc4\uc218 $\\mu$\uc758 \uacf1\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li>$\\tau = \\mu \\frac{du}{dy}$<\/li>\n<\/ul>\n<li>\ube44\ub274\ud134 \uc720\uccb4 \ubaa8\ub378<\/li>\n<p>\ube44\ub274\ud134 \uc720\uccb4\ub294 \ubcc0\ud615\ub960\uacfc \uc804\ub2e8 \uc751\ub825 \uc0ac\uc774\uc758 \uad00\uacc4\uac00 \uc120\ud615\uc774 \uc544\ub2cc \uc720\uccb4\ub97c \ud3ec\ud568\ud558\uba70, \ub2e4\uc591\ud55c \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc608\ub85c \uc810\ud0c4\uc131 \uc720\uccb4\uc640 \ube44\uc810\uc131 \uc720\uccb4\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<li>\uc774\uc0c1 \uc720\ub3d9 \ubaa8\ub378<\/li>\n<p>\uc774\uc0c1 \uc720\ub3d9\uc740 \uc810\uc131 \ud6a8\uacfc\ub97c \ubb34\uc2dc\ud55c \uc720\uccb4 \ud750\ub984\uc744 \uac00\uc815\ud569\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 \uc8fc\ub85c \uc720\ub3d9 \ubc29\uc815\uc2dd\uc744 \uacc4\uc0b0\ud560 \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<li>\uc555\ucd95\uc131 \uc720\ub3d9 \ubaa8\ub378<\/li>\n<p>\uc555\ucd95\uc131 \uc720\ub3d9\uc740 \uc720\uccb4\uc758 \ubc00\ub3c4\uac00 \uc555\ub825 \ubcc0\ud654\uc5d0 \ub530\ub77c \ubcc0\ud558\ub294 \uc720\ub3d9\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc774\ub294 \ub300\uae30\uc5ed\ud559, \ud130\ubcf4 \uae30\uacc4, \ucd08\uc74c\uc18d \ube44\ud589\uae30 \ub4f1\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<li>\uce35\ub958\uc640 \ub09c\ub958 \ubaa8\ub378<\/li>\n<p>\uce35\ub958\ub294 \uc720\uccb4\uac00 \ud3c9\ud589\ud558\uac8c \uc6c0\uc9c1\uc774\uba70, \ub09c\ub958\ub294 \ubcf5\uc7a1\ud558\uace0 \ud63c\ub780\uc2a4\ub7fd\uac8c \uc6c0\uc9c1\uc785\ub2c8\ub2e4. \uac01\uac01\uc758 \ud750\ub984\uc740 \ub808\uc774\ub180\uc988 \uc218(Re)\ub85c \uad6c\ubcc4\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>Re < 2300 - \uce35\ub958<\/li>\n<li>Re > 4000 &#8211; \ub09c\ub958<\/li>\n<\/ul>\n<li>\uacbd\uacc4\uce35 \ubaa8\ub378<\/li>\n<p>\uc720\uccb4\uac00 \uace0\uccb4 \uacbd\uacc4\ub97c \ub530\ub77c \ud750\ub97c \ub54c \ubc1c\uc0dd\ud558\ub294 \uc587\uc740 \uce35\uc744 \uacbd\uacc4\uce35\uc774\ub77c \ud569\ub2c8\ub2e4. \uacbd\uacc4\uce35 \uc774\ub860\uc740 \ud56d\uacf5\uae30 \ub0a0\uac1c \uc124\uacc4\ub098 \ud56d\ub825 \uacc4\uc0b0 \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<li>\uc218\ub825\ud559 \ubc0f \uacf5\ub825\ud559<\/li>\n<p>\uc218\ub825\ud559\uc740 \ubb3c\uacfc \uac19\uc740 \uc561\uccb4\uc758 \ub3d9\uc5ed\ud559\uc744 \uc5f0\uad6c\ud558\uace0, \uacf5\ub825\ud559\uc740 \uacf5\uae30\uc640 \uac19\uc740 \uae30\uccb4\uc758 \ub3d9\uc5ed\ud559\uc744 \uc5f0\uad6c\ud569\ub2c8\ub2e4. \ub450 \ubd84\uc57c \ubaa8\ub450 \uc720\uccb4\uc758 \uc6c0\uc9c1\uc784\uacfc \ud798\uc744 \uace0\ub824\ud569\ub2c8\ub2e4.<\/p>\n<li>\ub09c\ub958 \ubaa8\ub378<\/li>\n<p>\ub09c\ub958 \ubaa8\ub378\uc740 \uc9c4\ud3ed\uacfc \uc2dc\uac04 \ub0b4\uc5d0 \ubcc0\ub3d9\ud558\ub294 \ub09c\ub958 \ud750\ub984\uc744 \uc608\uce21\ud569\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 \uc5d4\uc9c4, \ud56d\uacf5\uae30, \uac74\ubb3c\uc758 \uacf5\uae30\uc5ed\ud559\uc801 \uc124\uacc4 \ub4f1\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p><\/u1><\/p>\n<p>\uc774\uc0c1 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\ub4e4\uc740 \uac01\uac01\uc758 \ud2b9\uc131\uacfc \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub9ce\uc740 \ucc28\uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc774\ub7ec\ud55c \ub2e4\uc591\ud55c \ubaa8\ub378\uc744 \uc774\ud574\ud568\uc73c\ub85c\uc368 \uc2e4\uc9c8\uc801\uc778 \uc751\uc6a9\uacfc \uc124\uacc4\uc5d0 \uc801\uc6a9\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\uc744 \uc124\uba85\ud55c \uae00\ub85c, \ub274\ud134 \uc720\uccb4\ubd80\ud130 \ub09c\ub958 \ubaa8\ub378\uae4c\uc9c0 8\uac00\uc9c0 \uc911\uc694\ud55c \ubaa8\ub378\uc744 \ub2e4\ub8f9\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>\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 8\uac00\uc9c0 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378<\/title>\n<meta name=\"description\" content=\"\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc54c\uc544\uc57c \ud560 \uc720\uccb4 \uc5ed\ud559 \ubaa8\ub378\uc744 \uc124\uba85\ud55c \uae00\ub85c, \ub274\ud134 \uc720\uccb4\ubd80\ud130 \ub09c\ub958 \ubaa8\ub378\uae4c\uc9c0 8\uac00\uc9c0 \uc911\uc694\ud55c \ubaa8\ub378\uc744 \ub2e4\ub8f9\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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