two phase¸¦ °øºÎÇÏ°í ÀÖ½À´Ï´Ù.
¼¼°¡Áö Áú¹®ÀÌ Àִµ¥. ´Ù¼Ò ¹üÀ§°¡ ³ÐÀº Áú¹®ÀÏ ¼öµµ ÀÖÁö¸¸ ±¸Ã¼ÀûÀÌ°í Á÷Á¢ÀûÀÎ ´äº¯À» ±ÞÇÏ°Ô Ã£°í ÀÖ½À´Ï´Ù.
1. line calculation for liquid
Re>4000 (turbulent) À̸é colebrook ½ÄÀ» ÀÌ¿ëÇÏ¿© Iteration °è»êÀ» ÅëÇØ ¸¶Âû°è¼ö f¸¦ ±¸ÇÏ °Ô µÇ´Âµ¥,
À̶§ Iteration °è»ê°úÁ¤¿¡ ¾²ÀÌ´Â ½ÄµéÀÇ ÁøÇà°úÁ¤°ú ¿Ö IterationÀ» 3¹ø ÇÏ¿© f°ªÀ¸·Î µµÃâ½ÃÅ°´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
(Áï Tubulent À϶§ f±¸ÇÏ´Â °úÁ¤À» ÀÚ¼¼È÷ ¼³¸íÇØÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù.
- Ãʱâ Initial Guess½ÄÀÌ ¿Ö logÀÇ ¿¬¼ÓÇüÅ·Π³ª¿À´ÂÁö ±Ã±Ý)
2. two phase °æ¿ì
°è»ê°úÁ¤¿¡¼ C factor, Mach No., Slip Ratio, Void FractionÀÌ ÀǹÌÇÏ´Â °ÍÀÌ ¹«¾ùÀÎÁö, ¶ÇÇÑ two phase line calculationÀÇ
±Ã±ØÀûÀÎ ¸ñÀûÀº ¹«¾ùÀÎÁö ±Ã±ÝÇÕ´Ï´Ù.
(µè±â·Î´Â two phaseÀ϶§ Pressure DropÀ» °è»êÇÏ°í Vertical, horizontal À϶§ ±×·¡ÇÁÀÇ ¼öÄ¡¸¦ ÀÐ¾î¼ regime¸¦ Âï°í ±×¸¦
ÅëÇØ È帣´Â À¯Ã¼ÀÇ ÇüŸ¦ ÆľÇÇÏ¿© ¿Ã¹Ù¸¥ line sizingÀ» Çϴ°ŷΠ¾Ë°í Àִµ¥ ±¸Ã¼ÀûÀÌ°í Á¤È®ÇÏ°Ô ¾Ë°í ½Í½À´Ï´Ù.
- regime¸¦ Âï´Â ´Ù´Â °ÍÀÌ ¾î¶² ÀǹÌÀÎÁö, regimeÀ̶õ Á¤È®È÷ ¾î¶² °³³äÀÎÁö)
3. line calculation for vapor
vaporÀÏ °æ¿ì¿¡´Â Pressure Drop ±¸ÇÏ´Â Àü °úÁ¤ÀÌ ±Ã±ÝÇÕ´Ï´Ù.
ÀÌ °è»ê°úÁ¤¿¡¼µµ 7¹ø Iteration °úÁ¤ÀÌ ÀÖ°í Chocked ·Î µµÃâµÇ´Â °úÁ¤ÀÌ Àִµ¥, Á¤È®È÷ vaporÀÏ °æ¿ì Pressure Drop¸¦ ±¸ÇÏ´Â
°úÁ¤ÀÌ ±Ã±ÝÇÕ´Ï´Ù.
¸¹Àº ÀÚ·áµéÀ» ÀÌ°÷¿¡¼ º¸¾Ò´Âµ¥, ½±°Ô Àß ÀÌÇØ°¡ °¡Áú ¾Ê¾Æ¼ Ȥ½Ã Á÷Á¢ÀûÀÌ°í ±¸Ã¼ÀûÀ¸·Î ¼³¸íÇØÁֽøé Á¤¸» °¨»çÇÏ°Ú½À´Ï´Ù.