Transcription of Compressibility Factor from Redlick-Kwong Equations
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Compressibility Factor from Redlick-Kwong Equations
Compressibility Factor from Redlick-Kwong Equations (Dr. Tom Co 9/2/08) Working Equations : (based on Cutlip and Shacham, 2008, pp. 101-103) Let be pressure in atm, be temperature in K and be molar volume in . The Redlich- kwong equation is given by (1)where (2) (3) Suppose we want to obtain Compressibility Factor (4)as a function reduced pressure / , at various cases of reduced temperature / . First, solve for in (4), (5)then substitute (5) in (1) to obtain a cubic equation in given by (6)where, (7) (8) (9) (10) If we wish to obtain the Compressibility Factor of the vapor phase, we need the maximum real-valued root of the cubic equation.
Compressibility Factor from Redlick-Kwong Equations (Dr. Tom Co 9/2/08) Working Equations: (based on Cutlip and Shacham, 2008, pp. 101-103) Let be pressure in …
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