{"id":331165,"date":"2024-06-19T21:04:07","date_gmt":"2024-06-19T20:04:07","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%97%b4-%ed%99%95%ec%82%b0%ec%9c%a8%ec%9d%b4-%ec%97%b4-%ec%a0%84%eb%8b%ac%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%98%81%ed%96%a5\/"},"modified":"2024-06-19T21:04:07","modified_gmt":"2024-06-19T20:04:07","slug":"%ec%97%b4-%ed%99%95%ec%82%b0%ec%9c%a8%ec%9d%b4-%ec%97%b4-%ec%a0%84%eb%8b%ac%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%98%81%ed%96%a5","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%97%b4-%ed%99%95%ec%82%b0%ec%9c%a8%ec%9d%b4-%ec%97%b4-%ec%a0%84%eb%8b%ac%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%98%81%ed%96%a5\/","title":{"rendered":"\uc5f4 \ud655\uc0b0\uc728\uc774 \uc5f4 \uc804\ub2ec\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5"},"content":{"rendered":"

\uc5f4 \ud655\uc0b0\uc728\uc774 \uc5f4 \uc804\ub2ec\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uacfc \uad00\ub828\ub41c \uc815\uc758, \uc5f4\uc804\ub3c4\uc728, \ube44\uc5f4, \ubc00\ub3c4\uc640\uc758 \uad00\uacc4 \ubc0f \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac, \uc7ac\ub8cc \uc120\ud0dd\uc758 \uc911\uc694\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n

\"\uc5f4<\/p>\n

\uc5f4 \ud655\uc0b0\uc728\uc774 \uc5f4 \uc804\ub2ec\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h2>\n

\uc5f4 \ud655\uc0b0\uc728(Thermal diffusivity)\uc740 \ubb3c\uc9c8\uc774 \uc5f4\uc744 \uc5bc\ub9c8\ub098 \ube60\ub974\uac8c \uc804\ub2ec\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \uc911\uc694\ud55c \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc785\ub2c8\ub2e4. \uc774\ub294 \uc5f4\uc804\ub3c4\uc728(Thermal conductivity), \ube44\uc5f4(Specific heat), \uadf8\ub9ac\uace0 \ubc00\ub3c4(Density)\uc758 \uc870\ud569\uc73c\ub85c \uc815\uc758\ub418\uba70, \uc5f4 \uc804\ub2ec \uc5d0\ub108\uc9c0\uc758 \uc804\ub2ec \uc18d\ub3c4\ub97c \ubd84\uc11d\ud558\ub294 \ub370 \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

<\/p>\n

  • \uc5f4 \ud655\uc0b0\uc728\uc758 \uc815\uc758<\/li>\n
  • \uc5f4 \ud655\uc0b0\uc728\uacfc \uc5f4 \uc804\ub2ec\uc758 \uad00\uacc4<\/li>\n
  • \uc5f4 \ud655\uc0b0\uc728\uc774 \uc911\uc694\ud55c \uc774\uc720<\/li>\n

    <\/u1><\/p>\n

    \uc5f4 \ud655\uc0b0\uc728\uc758 \uc815\uc758<\/h2>\n

    \uc5f4 \ud655\uc0b0\uc728(\u03b1)\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n

    \u03b1 = \\(\\frac{k}{\u03c1 \\cdot c_p}\\)<\/i><\/p>\n

    \uc5ec\uae30\uc11c:<\/p>\n

    <\/p>\n

  • \u03b1: \uc5f4 \ud655\uc0b0\uc728<\/li>\n
  • k: \uc5f4\uc804\ub3c4\uc728<\/li>\n
  • \u03c1: \ubc00\ub3c4<\/li>\n
  • cp<\/sub>: \ube44\uc5f4<\/li>\n

    <\/o1><\/p>\n

    \uc774 \ubc29\uc815\uc2dd\uc740 \uc5f4 \ud655\uc0b0\uc728\uc774 \ub2e8\uc704 \uc2dc\uac04\ub2f9 \ub2e8\uc704 \uba74\uc801\ub2f9 \uc5f4\uc744 \uc5bc\ub9c8\ub098 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub2ec\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

    \uc5f4 \ud655\uc0b0\uc728\uacfc \uc5f4 \uc804\ub2ec\uc758 \uad00\uacc4<\/h2>\n

    \uc5f4 \ud655\uc0b0\uc740 \ud655\uc0b0 \ubc29\uc815\uc2dd(Diffusion Equation)\uc73c\ub85c \uc124\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4 \ud655\uc0b0\uc728\uc774 \ub192\uc744\uc218\ub85d \ubb3c\uc9c8\uc740 \uc5f4\uc744 \ub354 \ube60\ub974\uac8c \uade0\ub4f1\ud558\uac8c \ubd84\ubc30\ud569\ub2c8\ub2e4. \uc774\ub294 \uc5f4\uc804\ub3c4 \ubc29\uc815\uc2dd\uc73c\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

    \\(\\frac{\u2202T}{\u2202t} = \u03b1 \\cdot \\frac{\u2202^2T}{\u2202x^2}\\)<\/p>\n

    \uc5ec\uae30\uc11c:<\/p>\n

    <\/p>\n

  • T: \uc628\ub3c4<\/li>\n
  • t: \uc2dc\uac04<\/li>\n
  • x: \uc704\uce58<\/li>\n

    <\/o1><\/p>\n

    \uc774 \ubc29\uc815\uc2dd\uc740 \uc2dc\uac04\uc5d0 \ub530\ub978 \uc628\ub3c4 \ubcc0\ud654\uac00 \uc5f4 \ud655\uc0b0\uc728\uacfc \ub450 \ubc88\uc9f8 \uc704\uce58 \ubbf8\ubd84\uc5d0 \ube44\ub840\ud568\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

    \uc5f4 \ud655\uc0b0\uc728\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n
      \n
    • \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac: \uc5f4 \ud655\uc0b0\uc728\uc744 \uc774\ud574\ud558\uba74 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub2e4\uc591\ud55c \uc18c\uc7ac\uc758 \uc5f4 \uad00\ub9ac \uc804\ub7b5\uc744 \ub354 \ud6a8\uc728\uc801\uc73c\ub85c \uc124\uacc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
    • \uc7ac\ub8cc \uc120\ud0dd: \uc5f4 \ud655\uc0b0\uc728\uc740 \uc804\uc790\uc7a5\uce58, \uac74\ucd95\ubb3c, \uc790\ub3d9\ucc28 \uc5d4\uc9c4 \ub4f1\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud558\ub294 \ub370 \uc911\uc694\ud55c \uae30\uc900\uc774 \ub429\ub2c8\ub2e4.<\/li>\n
    • \uc548\uc815\uc131: \uc5f4 \ud655\uc0b0\uc728\uc774 \ub0ae\ub2e4\uba74 \ud2b9\uc815 \ubd80\ubd84\uc774 \uacfc\uc5f4\ub420 \uc218 \uc788\uc5b4, \uc5f4\uc801 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uc5b4\ub824\uc6c0\uc744 \uacaa\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n

      \uacb0\ub860\uc801\uc73c\ub85c, \uc5f4 \ud655\uc0b0\uc728\uc740 \uc5f4 \uc804\ub2ec \uacfc\uc815\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ubb3c\uc9c8\uc758 \uc5f4\uc801 \ud2b9\uc131\uc744 \uc774\ud574\ud558\ub294 \ub370 \ubc18\ub4dc\uc2dc \uace0\ub824\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc62c\ubc14\ub978 \uc7ac\ub8cc \uc120\ud0dd\uacfc \uc5f4 \uad00\ub9ac \uc804\ub7b5\uc744 \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131\uc744 \ub192\uc774\uace0, \uc2dc\uc2a4\ud15c\uc758 \uc548\uc804\uc131\uacfc \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

      \uc5f4 \ud655\uc0b0\uc728\uc774 \uc5f4 \uc804\ub2ec\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uacfc \uad00\ub828\ub41c \uc815\uc758, \uc5f4\uc804\ub3c4\uc728, \ube44\uc5f4, \ubc00\ub3c4\uc640\uc758 \uad00\uacc4 \ubc0f \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac, \uc7ac\ub8cc \uc120\ud0dd\uc758 \uc911\uc694\uc131\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":"\n\uc5f4 \ud655\uc0b0\uc728\uc774 \uc5f4 \uc804\ub2ec\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/title>\n<meta name=\"description\" content=\"\uc5f4 \ud655\uc0b0\uc728\uc774 \uc5f4 \uc804\ub2ec\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uacfc \uad00\ub828\ub41c \uc815\uc758, \uc5f4\uc804\ub3c4\uc728, \ube44\uc5f4, \ubc00\ub3c4\uc640\uc758 \uad00\uacc4 \ubc0f \ud6a8\uc728\uc801\uc778 \uc5f4 \uad00\ub9ac, \uc7ac\ub8cc \uc120\ud0dd\uc758 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