{"id":368774,"date":"2024-06-23T09:41:35","date_gmt":"2024-06-23T08:41:35","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/"},"modified":"2024-06-23T09:41:35","modified_gmt":"2024-06-23T08:41:35","slug":"%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/","title":{"rendered":"\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d"},"content":{"rendered":"

\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d: \uc5f4\uc751\ub825 \uc815\uc758, \uc5f4\ud33d\ucc3d \uac1c\ub150, \uc5f4\uc751\ub825 \uacc4\uc0b0 \ubc29\ubc95, \ubcf5\ud569 \uad6c\uc870\ubb3c\uc5d0\uc11c\uc758 \ubd84\uc11d, \uc608\uc2dc \ubb38\uc81c \ubc0f \uacb0\ub860 \uc81c\uacf5<\/p>\n

\"\uc7ac\ub8cc\uc758<\/p>\n

\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d<\/h2>\n

\uc5f4\uc751\ub825(thermal stress)\uc740 \uc628\ub3c4 \ubcc0\ud654\ub85c \uc778\ud574 \uc7ac\ub8cc\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uc751\ub825\uc785\ub2c8\ub2e4. \uc7ac\ub8cc\uac00 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \uc758\ud574 \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud560 \ub54c, \uadf8\uac83\uc774 \ub2e4\ub978 \uad6c\uc18d\uc694\uc18c\uc5d0 \uc758\ud574 \ubc29\ud574\ub97c \ubc1b\uc73c\uba74 \uc5f4\uc751\ub825\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5f4\uc751\ub825\uc740 \uad6c\uc870\ubb3c\uc758 \uc548\uc815\uc131\uacfc \ub0b4\uad6c\uc131\uc5d0 \uc911\uc694\ud55c \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc5f4\uc751\ub825\uc758 \uae30\ucd08 \uac1c\ub150\uacfc \ubd84\uc11d \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc5f4\ud33d\ucc3d \uac1c\ub150<\/h2>\n

\ub300\ubd80\ubd84\uc758 \uc7ac\ub8cc\ub294 \uc628\ub3c4\uac00 \uc99d\uac00\ud558\uba74 \ud33d\ucc3d\ud558\uace0, \uc628\ub3c4\uac00 \uac10\uc18c\ud558\uba74 \uc218\ucd95\ud569\ub2c8\ub2e4. \uc774\ub294 \uc7ac\ub8cc \ub0b4\ubd80\uc758 \uc6d0\uc790 \uac04\uaca9\uc774 \uc628\ub3c4\uc5d0 \ub530\ub77c \ubcc0\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc744 \uc5f4\ud33d\ucc3d(thermal expansion)\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \ud3c9\uade0\uc801\uc778 \uc5f4\ud33d\ucc3d\ub960(\\(\\alpha\\))\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n

\n\\[\\alpha = \\frac{\\Delta L}{L \\Delta T}\\]\n<\/p>\n

\uc5ec\uae30\uc11c \\(\\Delta L\\)\uc740 \uae38\uc774 \ubcc0\ud654\ub7c9, \\(L\\)\uc740 \uc6d0\ub798 \uae38\uc774, \\(\\Delta T\\)\ub294 \uc628\ub3c4 \ubcc0\ud654\ub7c9\uc785\ub2c8\ub2e4.<\/p>\n

\uc5f4\uc751\ub825\uc758 \uacc4\uc0b0<\/h2>\n

\uc5f4\ud33d\ucc3d\uc73c\ub85c \uc778\ud55c \uc751\ub825\uc740 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \uad6c\uc18d\ub41c \uc7ac\ub8cc\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc5f4\uc751\ub825 (\\(\\sigma_t\\))\uc740 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud574 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

\n\\[\\sigma_t = E \\alpha \\Delta T\\]\n<\/p>\n

\uc5ec\uae30\uc11c \\(E\\)\ub294 \uc7ac\ub8cc\uc758 \ud0c4\uc131\uacc4\uc218(Young’s modulus), \\(\\alpha\\)\ub294 \uc7ac\ub8cc\uc758 \uc5f4\ud33d\ucc3d \uacc4\uc218, \\(\\Delta T\\)\ub294 \uc628\ub3c4 \ubcc0\ud654\ub7c9\uc785\ub2c8\ub2e4.<\/p>\n

\ubcf5\ud569 \uad6c\uc870\ubb3c\uc758 \uc5f4\uc751\ub825<\/h2>\n

\uc77c\ubc18\uc801\uc73c\ub85c \ubcf5\ud569 \uad6c\uc870\ubb3c\uc5d0\uc11c\ub294 \uc11c\ub85c \ub2e4\ub978 \uc7ac\ub8cc\uc758 \uc870\ud569\uc774 \uc0ac\uc6a9\ub418\uba70, \uac01 \uc7ac\ub8cc\ub9c8\ub2e4 \uc5f4\ud33d\ucc3d \uacc4\uc218 (\\(\\alpha\\))\uac00 \ub2e4\ub985\ub2c8\ub2e4. \uc774\ub7f0 \uacbd\uc6b0 \uc5f4\uc751\ub825 \ubd84\uc11d\uc740 \uc870\uae08 \ub354 \ubcf5\uc7a1\ud574\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ub450 \uac00\uc9c0 \ub2e4\ub978 \uc7ac\ub8cc\uac00 \uacb0\ud569\ub41c \ub9c9\ub300\uc758 \uacbd\uc6b0, \uac01 \uc7ac\ub8cc\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc751\ub825\uc744 \uac1c\ubcc4\uc801\uc73c\ub85c \uacc4\uc0b0\ud55c \ud6c4 \uc774\ub97c \uc885\ud569\uc801\uc73c\ub85c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc608\uc2dc \ubb38\uc81c<\/h2>\n

\ud55c \uae08\uc18d \ub9c9\ub300\uac00 100\u00b0C\uc5d0\uc11c 200\u00b0C\ub85c \uc628\ub3c4\uac00 \ubcc0\ud654\ud558\uc600\uc744 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc751\ub825\uc744 \uacc4\uc0b0\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub9c9\ub300\uc758 \uae38\uc774\ub294 1m\uc774\uace0, \uc5f4\ud33d\ucc3d \uacc4\uc218\ub294 \\(12 \\times 10^{-6} \\, \/\u00b0C\\), \ud0c4\uc131\uacc4\uc218\ub294 \\(200 \\, GPa\\)\uc785\ub2c8\ub2e4.<\/p>\n

    \n
  1. \uc628\ub3c4 \ubcc0\ud654\ub7c9 (\\(\\Delta T\\)): \\(200\u00b0C – 100\u00b0C = 100\u00b0C\\)<\/li>\n
  2. \uc5f4\uc751\ub825 (\\(\\sigma_t\\)) \uacc4\uc0b0:
    \n \\[
    \n \\sigma_t = E \\alpha \\Delta T = (200 \\times 10^9 \\, Pa) \\times (12 \\times 10^{-6} \\, \/\u00b0C) \\times (100\u00b0C)
    \n \\]\n <\/li>\n
  3. \uacb0\uacfc:
    \n \\[
    \n \\sigma_t = 240 \\, MPa
    \n \\]\n <\/li>\n<\/ol>\n

    \uacb0\ub860<\/h2>\n

    \uc5f4\uc751\ub825\uc740 \uad6c\uc870\ubb3c\uc758 \uc124\uacc4 \ubc0f \uc548\uc804\uc5d0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \uc628\ub3c4 \ubcc0\ud654\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc751\ub825\uc744 \uc815\ud655\ud788 \uc608\uce21\ud558\uace0 \uad00\ub9ac\ud558\ub294 \uac83\uc740 \uad6c\uc870\ubb3c\uc758 \uc548\uc815\uc131\uc744 \ud655\ubcf4\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc7ac\ub8cc\uc758 \uc5f4\ud33d\ucc3d \uacc4\uc218, \ud0c4\uc131\uacc4\uc218 \ubc0f \uc628\ub3c4 \ubcc0\ud654\ub7c9\uc744 \uace0\ub824\ud55c \uc5f4\uc751\ub825 \uacc4\uc0b0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d: \uc5f4\uc751\ub825 \uc815\uc758, \uc5f4\ud33d\ucc3d \uac1c\ub150, \uc5f4\uc751\ub825 \uacc4\uc0b0 \ubc29\ubc95, \ubcf5\ud569 \uad6c\uc870\ubb3c\uc5d0\uc11c\uc758 \ubd84\uc11d, \uc608\uc2dc \ubb38\uc81c \ubc0f \uacb0\ub860 \uc81c\uacf5<\/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":"\n\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d<\/title>\n<meta name=\"description\" content=\"\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d: \uc5f4\uc751\ub825 \uc815\uc758, \uc5f4\ud33d\ucc3d \uac1c\ub150, \uc5f4\uc751\ub825 \uacc4\uc0b0 \ubc29\ubc95, \ubcf5\ud569 \uad6c\uc870\ubb3c\uc5d0\uc11c\uc758 \ubd84\uc11d, \uc608\uc2dc \ubb38\uc81c \ubc0f \uacb0\ub860 \uc81c\uacf5\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/ko\/\uc7ac\ub8cc\uc758-\uc5f4\uc751\ub825-\ubd84\uc11d\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d\" \/>\n<meta property=\"og:description\" content=\"\uc7ac\ub8cc\uc758 \uc5f4\uc751\ub825 \ubd84\uc11d: \uc5f4\uc751\ub825 \uc815\uc758, \uc5f4\ud33d\ucc3d \uac1c\ub150, \uc5f4\uc751\ub825 \uacc4\uc0b0 \ubc29\ubc95, \ubcf5\ud569 \uad6c\uc870\ubb3c\uc5d0\uc11c\uc758 \ubd84\uc11d, \uc608\uc2dc \ubb38\uc81c \ubc0f \uacb0\ub860 \uc81c\uacf5\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/ko\/\uc7ac\ub8cc\uc758-\uc5f4\uc751\ub825-\ubd84\uc11d\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-23T08:41:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\uc7ac\ub8cc\uc758_\uc5f4\uc751\ub825_\ubd84\uc11d.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"0\ubd84\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/ko\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/#primaryimage\",\"inLanguage\":\"ko-KR\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\\uc7ac\\ub8cc\\uc758_\\uc5f4\\uc751\\ub825_\\ubd84\\uc11d.png\",\"width\":1000,\"height\":1000,\"caption\":\"\\uc7ac\\ub8cc\\uc758 \\uc5f4\\uc751\\ub825 \\ubd84\\uc11d\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/ko\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/ko\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/\",\"name\":\"\\uc7ac\\ub8cc\\uc758 \\uc5f4\\uc751\\ub825 \\ubd84\\uc11d\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/ko\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/#primaryimage\"},\"datePublished\":\"2024-06-23T08:41:35+00:00\",\"dateModified\":\"2024-06-23T08:41:35+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"\\uc7ac\\ub8cc\\uc758 \\uc5f4\\uc751\\ub825 \\ubd84\\uc11d: \\uc5f4\\uc751\\ub825 \\uc815\\uc758, \\uc5f4\\ud33d\\ucc3d \\uac1c\\ub150, \\uc5f4\\uc751\\ub825 \\uacc4\\uc0b0 \\ubc29\\ubc95, \\ubcf5\\ud569 \\uad6c\\uc870\\ubb3c\\uc5d0\\uc11c\\uc758 \\ubd84\\uc11d, \\uc608\\uc2dc \\ubb38\\uc81c \\ubc0f \\uacb0\\ub860 \\uc81c\\uacf5\",\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/ko\/%ec%9e%ac%eb%a3%8c%ec%9d%98-%ec%97%b4%ec%9d%91%eb%a0%a5-%eb%b6%84%ec%84%9d\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"ko-KR\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/posts\/368774"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/comments?post=368774"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/posts\/368774\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/media?parent=368774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/categories?post=368774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/ko\/wp-json\/wp\/v2\/tags?post=368774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}