1. ½ÇÇè ¸ñÀû
©ç ¿Àü´ÞÀÇ ÇÑ ÇüÅÂÀÎ ´ë·ù¸¦ ÀÌÇØÇÑ´Ù.
©è ÀÚ¿¬´ë·ù¿¡ ÀÖ¾î¼ ´ë·ù ´ë»ó¹°ÀÇ ½Ã°£°æ°ú¿¡ µû¸¥ ¿Âµµº¯È¸¦ ±â·Ï °üÂûÇÔ À¸·Î ¿Àü´Þ °è¼ö¿Í Grashof, Prandtl Number¿ÍÀÇ °ü°è¸¦ Á¶»çÇÏ°í, ±× Çö »óÀ» ÀÌÇØÇÑ´Ù.
©é °Á¦´ë·ù¿¡ ÀÖ¾î¼ ¿Âµµ¿Í ½Ã°£°úÀÇ °ü°è¸¦ ¾Ë¾Æº»´Ù.
©ê ÀÚ¿¬´ë·ù¿Í °Á¦´ë·ùÀÇ Â÷ÀÌÁ¡À» ¾Ë¾Æº»´Ù.
2. ½ÇÇè ÀÌ·Ð
Heat ConvectionÀº Å©°Ô ÀÚ¿¬´ë·ù(Natural Convection)¿Í °Á¦´ë·ù(Forced Convection)À¸·Î ³ª´ ¼ö ÀÖ´Ù.
©ç Newton`s Equation
where, : Heat Transfer Coefficient
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Àü¿°è¼ö´Â Geometry, Physical Property, Flow Velocity, Temperature Profile µî¿¡ µû¶ó º¯ÇÑ´Ù.
©è ¹«Â÷¿ø±º(Dimensionless Group)
Dimension Analysis·Î ºÎÅÍ Nusselt Number, Reynolds Number, Prandtl Number, Grashof Number µîÀ» ±¸ÇÒ ¼ö Àִµ¥, ´ÙÀ½°ú °°ÀÌ ¾µ ¼ö ÀÖ´Ù.
where, : ¿ÆØâ °è¼ö(Termal Expansion Coefficient)
¡¦(»ý·«)
3. ½ÇÇè ÀåÄ¡ ¹× Áغñ¹°
4. ½ÇÇè ¹æ¹ý
5.½ÇÇè°á°úÀÚ¿¬´ë·ù°Á¦´ë·ù½Ã°£
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