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ÄÁÅÙÃ÷ | contents |
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½ºÅ͵ð | study |
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NPSH Margin °ª °è»ê ¹®ÀÇ µå¸³´Ï´Ù. |
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±Û¾´ÀÌ : ±¸»ó °íÀ¯ID : wook5338
³¯Â¥ : 24-02-05 19:38
Á¶È¸ : 1539
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Pump »ç¾ç ¹× ¿îÀü Á¶°Ç.png (698.5K), Down : 7, 2024-02-05 19:39:27 |
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¾È³çÇϼ¼¿ä. NPSH Margin ±¸ÇÒ ¶§ÀÇ ±Ã±ÝÇÑ »çÇ×ÀÌ ÀÖ¾î¼ Áú¹® °Ô½ÃÆÇ¿¡ ÁúÀÇ µå¸³´Ï´Ù. ÈÇаøÇÐ Àü°øÀÌ ¾Æ´Ï´Ù º¸´Ï ´Ù¼Ò ¼öÁØ ³·Àº »çÇ×ÀÌÁö¸¸ ´äº¯ÇØÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù!
À¯Ã· Data Sheet »ç¾ç°ú °°ÀÌ ±¸¸ÅµÈ Pump°¡ ÀÖ½À´Ï´Ù. Data Sheet Áß ¾Æ·¡¿Í °°ÀÌ NPSHa°ª°ú NPSHr°ª¿¡ ´ëÇÑ À¯Ã¼ ±âÁØ ´Ù¸¨´Ï´Ù. - SP.GR : 0.58 (Hydrocarbon) - NPSHa : 3m (Process À¯Ã¼(Hydrocarbon) ±âÁØ) - NPSHr : 2.24 (Water ±âÁØ)
À§¿Í °°ÀÌ a°ª°ú r°ª¿¡ ´ëÇÑ ±âÁØÀÌ ´Ù¸¦ ¶§ NPSH MarginÀ» ¾î¶»°Ô ±¸ÇØ¾ß µÇ´Â °Ç°¡¿ä? (Á¦ ªÀº »ý°¢À¸·Î´Â ¾Æ·¡ 2°¡Áö Áß Çϳª¶ó°í »ý°¢Çϴµ¥.. ÀÌ¿¡ ´ëÇÑ ´äº¯ ȸ½Å ºÎŹ µå¸³´Ï´Ù.)
1. 3m(NPSHa) - 2.24m(NPSHr) = 0.76m
2. 1.74m(NPSHa) - 2.24m(NPSHr) = -0.5 (cavitation ¹ß»ý) (*1.74mÀÇ °ªÀº Hydrocarbon ±âÁØ NPSHa 3m¿¡ ¹° ±âÁØ NPSHa·Î º¯È¯Çϱâ À§ÇØ SP.GR.(0.58)À» °öÇÏ¿© °è»êÇß½À´Ï´Ù.)
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