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  hydraulic complex factor Áú¹®ÀÔ´Ï´Ù.
  ±Û¾´ÀÌ : rndtkdwlwl¡¦   °íÀ¯ID : pwh303     ³¯Â¥ : 18-08-15 22:05     Á¶È¸ : 2833    
º¸Åë ±æÀÌ°¡ ª°í fittingÀÌ ¾ø´Â °æ¿ì hydraulic°è»ê½Ã complex factor¸¦ 1·Î ³õ´Â °ÍÀ¸·Î ¾Ë°í ÀÖ½À´Ï´Ù.

±×·±µ¥ ±æÀÌ°¡ ±æ°í fittingÀÌ À־(·¹µà¼­ 1°³, 100~200m) ±×³É ¾Æ¹«»ó°ü ¾øÀÌ factor¸¦ 1·Î ¾²´Â ºÐµéÀ» ºÃ½À´Ï´Ù.
¾Æ¹«·± »ó°üÀÌ ¾ø´Â°Ç°¡¿ä?

ÀúÀÇ ¼±ÀÓºÐÀÌ ¾Æ¹«·¸Áö ¾Ê°Ô »ç¿ëÇ϶ó°í ÇϽô٠º¸´Ï ¿©Â庻 °á°ú Å͹«´Ï ¾øÀÌ length¿¡ Â÷ÀÌ°¡ ¾ø´Ù¸é ¹®Á¦ ¾ø´Ù´Â ¸»¾¸À» Çϼż­ °³³äÀÌ Èçµé·Á¼­ ¹®ÀÇ µå¸³´Ï´Ù.
1À̳ª 2, 0.5µîÀ» ¾î¶² °æ¿ì¿¡ »ç¿ëÇÏ´ÂÁö¿¡ ´ëÇÑ ¹®ÀǸ¦ µå¸³´Ï´Ù.

°¨»çÇÕ´Ï´Ù.

ÀÌÁ¾¼® chemtech   18-08-16 10:07
Hydraulic CalculationÀ» À§ÇÑ ÇÁ·Î±×·¥Àº »ç¿ëÀÚ ¸¶´Ù ´Ù¸£¸ç Ç¥ÁØÀ¸·Î µÇ¾î ÀÖÁö´Â ¾Ê½À´Ï´Ù
Complex Factor¸¦ ÀÔ·ÂÇÏ´Â °ÍÀ¸·Î º¼¶§ ±Í»ç¸¸ÀÌ »ç¿ëÇÏ´Â ÇÁ·Î±×·¥ À̹ǷΠ±Í»çÀÇ ¼±¹èµé²² ¹®ÀÇ
¸¦ Çؼ­ ¾Ë¾Æº¸´Â°ÍÀÌ Á¤È®ÇÒ°Í °°½À´Ï´Ù

Åë»óÀûÀ¸·Î ¿£Áö´Ï¾î¸µ ȸ»ç¿¡¼­´Â Fitting·ù¿¡ ´ëÇØ °¢°¢ÀÇ ¼ö·®¿¡´ëÇØ À̸¦ k°ªÀ» ÀÌ¿ëÇؼ­ »ó´ç±æÀÌ·Î
¾ó¸¶ÀÎÁö¸¦ °è»êÇÏ¿© Hydraulic °è»ê ¾÷¹«¸¦ ¼öÇà ÇÕ´Ï´Ù.
Stefano    18-08-16 15:25
(1) Á÷¼±±æÀ̸¦ Equivalent Length·Î ȯ»ê

Áú¹®°ú °ü·ÃµÈ ¾÷¹«¿¡¼­  °³³ä¼³°è Á¤µµ ȤÀº ±âº»¼³°è Á¤µµÀÇ InformationÀ» ÀÌ¿ëÇؼ­ Æò¸é»óÀÇ °Å¸®¸¦ ÀÌ¿ëÇؼ­ Equivalent Length¸¦ ±¸ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ ÀÖ½À´Ï´Ù.  ¹°·Ð ÀÌ°ÍÀº Á¤ÇüÈ­ µÇ¾î ÀÖ´Â °ÍÀÌ ¾Æ´Ï°í ¸¹Àº °øÀåÀ» Áö¾îº» ¿£Áö´Ï¾î¸µ »ç°¡ Åë°èÀûÀ¸·Î ¾ò¾îÁø µ¥ÀÌÅÍ¿¡ ±âº»À» µÎ°í ¸¸µé¾î³½ ȸ±Í½ÄÀÌ¶ó¼­ ±×ÀÇ ½Å·Ú¼º¿¡ ´ëÇØ Àǹ®À» °¡Áú ¼ö ÀÖÁö¸¸,  ´Ù¸¥ ¹æ¹ýÀÌ ¾øÀ» ¶§ ±ä¿äÇÏ°Ô ÀÌ¿ëÇÏ´Â ¹æ¹ýÀÔ´Ï´Ù.

Equvalent Length  Le/L =  1+ (0.347 d^0.5+0.216) Fc  ...................(1)

d= ȣĪ°æ (inch) , Fc = Complexity Factor    Le/L = Dimension Less (m/m  or ft/ft)
ÀÌ Complexity Factor´Â  ¸¶Ä§ ÀÌ°÷¿¡¼­ ã¾Æº¼ ¼ö ÀÖ½À´Ï´Ù.

http://jnujprdistance.com/assets/lms/LMS%20JNU/MBA/MBA%20-%20Piping%20Design%20Management/Sem%20III/Fluid%20Handling/Version%202/Fluid%20Handling.pdf

*Reference:  1) Original Reference:  Chem Engineering V.94, 1-9, 1987
                  2) J.J. Mcketta, Piping Design Handbook, Marcel Dekker, 1992, pp393ff

À¯»çÇÑ ¹æ¹ýÀ¸·Î ¹è°ü°æ°ú ±æÀ̸¦ ±âÁØÀ¸·Î Complexity Factorº° Equivalent Length¸¦ ±¸ÇÒ ¼ö ÀÖ´Â µµÇ¥µµ »ç¿ëµË´Ï´Ù.

(2) Á÷¼±±æÀÌ´ç ¹ëºê ¼öÈ¿ ¹× Fitting (El or Tee) ¼öÈ¿

¿©±â¿¡ ÀοëÇÏÁö´Â ¾Ê¾ÒÁö¸¸.. ¸¶Âù°¡Áö À¯»çÇÑ ¹æ¹ýÀ¸·Î  ÀÏÁ¤±æÀÌ´ç ¹ëºê³ª FittingÀÇ ¼öÈ¿¸¦ °è»êÇÏ´Â ¼ö½Äµµ ÀÖ½À´Ï´Ù.  ÀÌ ¼ö½ÄÀº ¿ø·¡ ³Ãµ¿ºÐ¾ß¿¡¼­ »ç¿ëÇÏ°í ÀÖ´Â ¼ö½ÄÀ¸·Î ÀÌÀÇ Àû¿ëÇÑ°è¶óµç°¡ ½Å·Ú¼º µîÀ» ¹«½ÃÇÏ°í ¿£Áö´Ï¾îµéÀÌ »ç¿ëÇÏ°í ÀÖ½À´Ï´Ù.  °ßÀû »êÃâ½Ã À̵û±Ý¾¿ »ç¿ëµÈ´Ù°í ÇÕ´Ï´Ù.  ±â°è(¹è°ü)ºÐ¾ß¿¡¼­´Â °ßÀû»êÃâ µî °£ÀÌ Hydraulic °³·« °è»ê¿¡ (1)¼ö½ÄÀ» ÁÖ·Î ¸¹ÀÌ »ç¿ëÇÏ°í ÀÖ½À´Ï´Ù. 

ÀÌµé ¼ö½ÄµéÀº Preliminary Estimation ´Ü°è¿¡¼­ »ç¿ëµÇ±â ¶§¹®¿¡ Â÷ÈÄ »ó¼¼¼³°è½Ã ¼³°èµµ¸éÀ» ±âÁØÀ¸·Î È®ÀÎÇØ ºÁ¾ß ÇÕ´Ï´Ù.

Áú¹®¿¡¼­ Á÷¼±°£¿¡ Reducer Çѵΰ³ ¸¸À¸·Î´Â (1)½Ä¿¡¼­ Å« Â÷ÀÌ°¡ ³ªÁö ¾ÊÀ¸¹Ç·Î Fitting ¼öÈ¿¸¦ Conting Çؼ­ °è»êÇÒ °æ¿ì°¡ ¾Æ´Ï¶ó¸é Fc=1·Î ºÃ´Ù´Â À̾߱âÀÔ´Ï´Ù.
   

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