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W=(k/k-1)*z1*R*T1*{(P2/P1)^[(k-1)/k]-1}------------------- eq. (1)
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1893.9KW·Î data sheet»ó¿¡ º¸ÀÌ´Â °ªÀ̶û ÇöÀúÈ÷ Â÷ÀÌ°¡³ª³×¿ä.
¿ø½ÉÇü¾ÐÃà±â¸¦ ±¸ÇÒ¶§¿¡´Â eq.(1) ¿¡ polytropic efficiency¸¦ ³ª´²¼ ±¸Çß¾ú´Âµ¥
reciprocating compressor°°Àº °æ¿ì¿¡´Â ¾î¶»°Ô ÇؾߵÉÁö Àß ¸ð¸£°Ú½À´Ï´Ù.
eq.(1) Àº gas horsepower ¶ó±âº¸´Ù´Â adiabatic horsepower¶ó°í »ý°¢ÀÌ µì´Ï´Ù.
¶§¹®¿¡ adiabatic efficiency¸¦ µû·Î ³ª´²Áà¾ß ÇÒ °Í °°Àºµ¥ ´Ù¸¥ ±Û¿¡ ´äº¯ÇϽŰÔ
½ÇÁ¦ ¾ÐÃà±â¿¡¼ ¾ÐÃàÀÌ ÀϾ ¶§¿¡´Â ¿Ïº®ÇÑ ´Ü¿ÀÌ ¾ÈµÇ±â¿¡ polytropic ¾ÐÃàÀÌ ÀϾ¼
polytropic efficiency¸¦ »ç¿ëÇÑ´Ù°í ÀÛ¼ºÇϽŠ´ñ±ÛÀ» º»°Í °°½À´Ï´Ù.
Ȥ eq.(1)¿¡¼ gas horsepower¸¦ ±¸ÇÏ·Á¸é ¾î¶»°Ô ÇؾߵǴÂÁö ±Ã±ÝÇÕ´Ï´Ù.
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mechanical loss¸¦ °í·ÁÇÑ °ªÀÌ ±âÀçµÇ¾îÀÖÁö¸¸ À̸¦ Á¦¿ÜÇÑ GHP´Â ¾î¶»°Ô ±¸ÇÏ´ÂÁö ¸÷½Ã ±Ã±ÝÇÕ´Ï´Ù.
Ȥ n/(n-1)=k/(k-1)*(polytropic eff.)
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1. ÷ºÎÇÑ datasheet¿¡¼ Temperature,expected¿Í Temperature,adiabaticÀÇ Â÷ÀÌ´Â ¹«¾ùÀÎÁö ¶ÇÇÑ ±Ã±ÝÇÕ´Ï´Ù.
2. ÀÎÅͳÝÀ» °è¼Ó ¼ÇÎÇÏ´Ù º¸´Ï reciprocating compressorÀÇ mechanical loss¸¦ ±¸ÇÏ´Â °ø½ÄÀº
mechanical loss = 0.882+3.07*10^(-5)*GHP - 2.4661*10^(-9)*GHP^2
¶ó´Â °ø½ÄÀ» ã¾Ò´Âµ¥ Ãâó°¡ ºÒºÐ¸íÇÏ¿© È®½ÇÄ¡¾Ê½À´Ï´Ù.
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