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  NPSHa °è»ê½Ä ¹®ÀÇ
  ±Û¾´ÀÌ : °Ô½´Å»Æ®   °íÀ¯ID : oldparao     ³¯Â¥ : 13-09-11 17:39     Á¶È¸ : 7543    
 
Centrifugal ¹× ratary pumpÀÇ npsha °è»ê½ÄÀÌ
 
NPSHA (m) = [P-Pv-Pf] * 10.2/SG + H ¶ó°í Çϴµ¥¿ä
 
¿Ö 10.2 ¿¡´Ù°¡ ºñÁßÀ» ³ª´²ÁØ °ªÀ» ¾Ð·Â¿¡ °öÇØÁÖ´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
ÀÌ Ã¥¿¡¼­ ³ª¿Â 10.2´Â ¾îµð¼­ ³ª¿Â°ÍÀÎÁö ÇØ°á ¿äûµå¸³´Ï´Ù.
 
 
 

éÌÜó yongbong   13-09-12 10:26
¾Ð·Â(kg/cm2)¿¡ 10À» °öÇÏ°í SG·Î ³ª´©¸é Head(m)°¡ ³ª¿À´Âµ¥,
10.2´Â 1.033/1.013*10 ¿¡¼­ ³ª¿Â °ÍÀÏ °Ø´Ï´Ù.
     
°Ô½´Å»Æ® oldparao   13-09-12 11:36
ÀÌÇØ°¡ µË´Ï´Ù. SG´Â g/cm3 ÀÌ°í m¸¦ ³ªÅ¸³»¾ßµÇ¹Ç·Î °öÇÏ´Ùº¸´Ï 10À» °öÇØÁÖ´Â°Ô ¸Â±º¿ä °¨»çÇÕ´Ï´Ù.
»ê¼Ò°°ÀºÈ÷¡¦ siloam16th   13-11-15 21:09
DXGXH (Density x Gravity x Height) = P = 10^5 N/m2 = 1BAR

--> 1000 kg /m3 X S.G X 9.8 m/s^2 X H = 10^5 N/m2

ÀÌ·¸°Ô µÎ°í °è¼Ó Ç®¾î°¡´Ùº¸¸é
H = P X 10.2 / S.G °¡ µË´Ï´Ù.
   

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