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[ÇóÖú] Çó½âÊÍrefpropÖÐһЩ¸ÅÄî

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1 pseudo-pure fluidÊÇʲôÒâ˼£¿
2 mass fractionºÍmole fractionÊÇʲôÒâ˼£¿ÈçrefpropÖÐ subroutine XMOLE (xkg,xmol,wmix)¡£¼ÙÈçR22È«²¿ÊÇÒºÌ壬ÄÇôxkg¸ÃÈ¡¶àÉÙÄØ£¿0»òÕß1Âð£¿

subroutine XMOLE (xkg,xmol,wmix)
c
c converts composition on a mass fraction basis to mole fraction
c
c input:
c xkg--composition array [array of mass frac]
c outputs:
c xmol--composition array [array of mol frac]
c wmix--molar mass of the mixture [g/mol], a.k.a. "molecular weight"
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