{"id":339494,"date":"2024-06-19T22:37:58","date_gmt":"2024-06-19T21:37:58","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%ec%97%b4%ec%a0%84%eb%8f%84-%eb%b0%a9%ec%8b%9d%ec%9d%98-5%ea%b0%80%ec%a7%80-%ec%9c%a0%ed%98%95\/"},"modified":"2024-06-19T22:37:58","modified_gmt":"2024-06-19T21:37:58","slug":"%ec%97%b4%ec%a0%84%eb%8f%84-%eb%b0%a9%ec%8b%9d%ec%9d%98-5%ea%b0%80%ec%a7%80-%ec%9c%a0%ed%98%95","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ko\/%ec%97%b4%ec%a0%84%eb%8f%84-%eb%b0%a9%ec%8b%9d%ec%9d%98-5%ea%b0%80%ec%a7%80-%ec%9c%a0%ed%98%95\/","title":{"rendered":"\uc5f4\uc804\ub3c4 \ubc29\uc2dd\uc758 5\uac00\uc9c0 \uc720\ud615"},"content":{"rendered":"

\uc5f4\uc804\ub3c4 \ubc29\uc2dd\uc758 5\uac00\uc9c0 \uc720\ud615\uc774\ub780 \uace0\uccb4, \uc561\uccb4, \uae30\uccb4 \ub0b4 \uc804\ub3c4, \uc811\ucd09 \uc5f4\uc804\ub3c4, \uc801\uc678\uc120 \uc804\ub3c4, \uc88c\uad74 \uc804\ub3c4\ub85c \uc5f4 \uc5d0\ub108\uc9c0\uac00 \uc774\ub3d9\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n

\"\uc5f4\uc804\ub3c4<\/p>\n

\uc5f4\uc804\ub3c4 \ubc29\uc2dd\uc758 5\uac00\uc9c0 \uc720\ud615<\/h2>\n

\uc5f4\uc804\ub3c4\ub294 \uc5f4\uc774 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \uc774\ub3d9\ud558\ub294 \uc8fc\uc694 \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc5f4\uc804\ub3c4\ub294 \uace0\uccb4, \uc561\uccb4, \uae30\uccb4\uc5d0\uc11c \ubaa8\ub450 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \uc5f4 \uc5d0\ub108\uc9c0\uac00 \uace0\uc628\uc5d0\uc11c \uc800\uc628\uc73c\ub85c \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc5f4\uc804\ub3c4\uc758 \uc8fc\uc694 \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n

    \n
  1. \uace0\uccb4 \ub0b4\uc758 \uc804\ub3c4 (Conduction in Solids)<\/li>\n
  2. \uc561\uccb4 \ubc0f \uae30\uccb4 \ub0b4\uc758 \uc804\ub3c4 (Conduction in Liquids and Gases)<\/li>\n
  3. \uc811\ucd09 \uc5f4\uc804\ub3c4 (Contact Conductance)<\/li>\n
  4. \uc801\uc678\uc120 \uc804\ub3c4 (Radiative Conduction)<\/li>\n
  5. \uc88c\uad74 \uc804\ub3c4 (Eddy Current Conduction)<\/li>\n<\/ol>\n

    \uace0\uccb4 \ub0b4\uc758 \uc804\ub3c4 (Conduction in Solids)<\/h2>\n

    \uace0\uccb4 \ub0b4\uc758 \uc5f4\uc804\ub3c4\ub294 \uc8fc\ub85c \uc804\uc790\uc640 \uaca9\uc790 \uc9c4\ub3d9\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uae08\uc18d\uc758 \uacbd\uc6b0, \uc790\uc720 \uc804\uc790\uac00 \uc5f4\uc744 \uc6b4\ubc18\ud558\ub294 \uc8fc\uc694 \ub9e4\uac1c\uccb4\uc785\ub2c8\ub2e4. \uc774\ub294 Fourier’s \ubc95\uce59\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

    Fourier’s \ubc95\uce59:<\/b><\/p>\n

    q = -k \u2207T<\/p>\n

    \uc5ec\uae30\uc11c q\ub294 \uc5f4 \ud750\ub984, k\ub294 \uc5f4\uc804\ub3c4\ub3c4, T\ub294 \uc628\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n

    \uc561\uccb4 \ubc0f \uae30\uccb4 \ub0b4\uc758 \uc804\ub3c4 (Conduction in Liquids and Gases)<\/h2>\n

    \uc561\uccb4\uc640 \uae30\uccb4\uc5d0\uc11c\ub294 \ubd84\uc790\uc758 \ucda9\ub3cc\uc744 \ud1b5\ud574 \uc5f4\uc774 \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc774\ub294 \uace0\uccb4\uc758 \uacbd\uc6b0\ubcf4\ub2e4 \ud6e8\uc52c \ub35c \ud6a8\uc728\uc801\uc774\uc9c0\ub9cc \uc5ec\uc804\ud788 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0\uc5d0\ub3c4 Fourier’s \ubc95\uce59\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

    \uc811\ucd09 \uc5f4\uc804\ub3c4 (Contact Conductance)<\/h2>\n

    \ub450 \uace0\uccb4\uac00 \uc811\ucd09\ud560 \ub54c, \uc811\ucd09\uba74\uc5d0\uc11c \uc5f4\uc774 \uc804\ub2ec\ub429\ub2c8\ub2e4. \uc774 \uc720\ud615\uc758 \uc5f4\uc804\ub3c4\ub294 \uc811\ucd09\uba74\uc758 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc811\ucd09 \uc5f4\uc804\ub3c4\ub294 \uacf5\ud559\uc801 \uc751\uc6a9\uc5d0\uc11c \uc911\uc694\ud55c \uc694\uc18c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n

    \uc801\uc678\uc120 \uc804\ub3c4 (Radiative Conduction)<\/h2>\n

    \uc801\uc678\uc120 \uc804\ub3c4\ub294 \ubb3c\uc9c8\uc774 \uc801\uc678\uc120 \ud615\ud0dc\ub85c \uc5f4\uc744 \ubc29\ucd9c\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \uace0\uccb4 \ud45c\uba74\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud558\uba70, Stefan-Boltzmann \ubc95\uce59\uc5d0 \uc758\ud574 \uc124\uba85\ub429\ub2c8\ub2e4:<\/p>\n

    Stefan-Boltzmann \ubc95\uce59:<\/b><\/p>\n

    q = \u03b5\u03c3T^4<\/p>\n

    \uc5ec\uae30\uc11c \u03b5\ub294 \ubc29\ucd9c\ub960, \u03c3\ub294 Stefan-Boltzmann \uc0c1\uc218, T\ub294 \uc628\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n

    \uc88c\uad74 \uc804\ub3c4 (Eddy Current Conduction)<\/h2>\n

    \uc88c\uad74 \uc804\ub3c4\ub294 \uc8fc\ub85c \uc804\ub3c4\uc131 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \ubc1c\uc0dd\ud558\uba70, \ubcc0\ud654\ud558\ub294 \uc790\uae30\uc7a5\uc774 \uc18c\uc6a9\ub3cc\uc774 \uc804\ub958(eddy currents)\ub97c \uc720\ub3c4\ud558\uc5ec \uc5f4\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \uc804\uae30\uae30\uacc4 \uc2dc\uc2a4\ud15c \ubc0f \ube44\ud30c\uad34 \uac80\uc0ac(NDT)\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \uacf5\ud559\uc801 \uc751\uc6a9\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

    \uc694\uc57d\ud558\uc790\uba74, \uc5f4\uc804\ub3c4\ub294 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \ubc1c\uc0dd\ud558\uba70, \uc774\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \uc5f4 \uad00\ub9ac\uc640 \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \uc788\uc5b4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \uc5f4\uc804\ub3c4 \ubc29\uc2dd\uc758 5\uac00\uc9c0 \uc720\ud615\uc774\ub780 \uace0\uccb4, \uc561\uccb4, \uae30\uccb4 \ub0b4 \uc804\ub3c4, \uc811\ucd09 \uc5f4\uc804\ub3c4, \uc801\uc678\uc120 \uc804\ub3c4, \uc88c\uad74 \uc804\ub3c4\ub85c \uc5f4 \uc5d0\ub108\uc9c0\uac00 \uc774\ub3d9\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":"\n\uc5f4\uc804\ub3c4 \ubc29\uc2dd\uc758 5\uac00\uc9c0 \uc720\ud615<\/title>\n<meta name=\"description\" content=\"\uc5f4\uc804\ub3c4 \ubc29\uc2dd\uc758 5\uac00\uc9c0 \uc720\ud615\uc774\ub780 \uace0\uccb4, \uc561\uccb4, \uae30\uccb4 \ub0b4 \uc804\ub3c4, \uc811\ucd09 \uc5f4\uc804\ub3c4, \uc801\uc678\uc120 \uc804\ub3c4, \uc88c\uad74 \uc804\ub3c4\ub85c \uc5f4 \uc5d0\ub108\uc9c0\uac00 \uc774\ub3d9\ud558\ub294 \ubc29\ubc95\uc744 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