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¿±³È¯±â¿¡¼ LMTD¿ë F
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°íÀ¯ID
: djlee66
³¯Â¥
: 09-02-03 14:18
Á¶È¸
: 7809
¿±³È¯±â LMTD¿¡¼ º¸Á¤ factor F¿¡¼ P¿Í RÀÇ Á¤ÀÇ
1. P(¿ÂµµÈ¿°ú) =(t2-t1)/(T1-t1) ¿¡¼
(t2-t1)ÀÇ Á¤ÀÇ°¡ Æ©ºêÃø ¿ÂµµÂ÷, Àú¿ÂÀ¯Ã¼ÀÇ ¿ÂµµÂ÷, CminÃø ¿ÂµµÂ÷ Áß ¾î´ÀÇ×ÀÌ ¸Â´ÂÁö¿ä
¶ÇÇÑ Æ©ºêÃøÀÌ °í¿ÂÀÏ°æ¿ìµµ ÀÖ½À´Ï´Ù.
2. RÀÇ Á¤Àǵµ ±Ã±ÝÇÕ´Ï´Ù.
Stefano
09-02-03 15:25
(1) ¿±³È¯±â LMTD °è»ê¿¡¼ P¿Í R°ªÀÇ Á¤ÀÇ
P = (Rise)/(Maximin Temperature Difference)
R = (Fall)/(Rise)
(2) Example
Àú¿ÂÀ¯Ã¼ t1-->t2 .............t1=32, t2=42
°í¿ÂÀ¯Ã¼ T1-->T2............T1=132, T2=82
P = (t2-t1)/(T1-t1) = (42-32)/(132-32)=0.1
R = (T1-T2)/(t2-t1) = (132-82)/(42-32)=5
(1) ¿±³È¯±â LMTD °è»ê¿¡¼ P¿Í R°ªÀÇ Á¤ÀÇ P = (Rise)/(Maximin Temperature Difference) R = (Fall)/(Rise) (2) Example Àú¿ÂÀ¯Ã¼ t1-->t2 .............t1=32, t2=42 °í¿ÂÀ¯Ã¼ T1-->T2............T1=132, T2=82 P = (t2-t1)/(T1-t1) = (42-32)/(132-32)=0.1 R = (T1-T2)/(t2-t1) = (132-82)/(42-32)=5
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