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taki0912

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[ÇóÖú] matlabÈçºÎµ÷ÓÃrefprop£¬Óï¾äÔõôд£¿ ÒÑÓÐ2È˲ÎÓë

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±ÈÈç h=refpropm('h','p',p4,'Q',0,'R123');       Q ºÍ 0  ÊÇʲôÒâ˼

h1=refpropm('h','p',p1,'s',s1,'R123');

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[ Last edited by nono2009 on 2015-4-22 at 08:25 ]
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taki0912

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ÒýÓûØÌû:
8Â¥: Originally posted by sherry89 at 2015-04-23 09:15:30
2 Çó 1,3£»3Çó4£»3µãÊÇÔÚ±¥ºÍÏßÉϰɣ¿...

T1=input('Enter the temperature t1(C):')+273.15;
T2=input('Enter the temperature t2(C):')+273.15;
P1=input('Enter the pressure p1(MPa):')*1000;
H1=refpropm('h','T',T1,'P',P1,'water');
S1=refpropm('S','T',T1,'P',P1,'water');
S2=S1;
H2=refpropm('h','T',T2,'s',S2,'water');
P2=refpropm('P','T',T2,'s',S2,'water');
P3=P2;
H3=refpropm('h','P',P3,'Q',0,'water');
S3=refpropm('S','P',P3,'Q',0,'water');
T3=refpropm('T','P',P3,'s',S3,'water');
S4=S3;
P4=P1;
H4=refpropm('h','P',P4,'s',S4,'water');
T4=refpropm('T','P',P4,'s',S4,'water');
y=1-(H2-H3)/(H1-H4£©;

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10Â¥2015-04-23 16:27:21
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huakelikun

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2Â¥2015-04-21 21:06:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huakelikun

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¡¾´ð°¸¡¿Ó¦Öú»ØÌû

´ò´íÁË£¬Èí¼þÃûÓ¦¸ÃÊÇrefprop £¬²»ÊÇrefpropm
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3Â¥2015-04-21 21:07:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

taki0912

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ÒýÓûØÌû:
3Â¥: Originally posted by huakelikun at 2015-04-21 21:07:31
´ò´íÁË£¬Èí¼þÃûÓ¦¸ÃÊÇrefprop £¬²»ÊÇrefpropm

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