The ESD equation of state is given by P = b, c is a shape parameter
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The ESD equation of state is given by
ηP = bρ, c is a “shape parameter” which represents the effect of non-sphericity on the repulsive term, and q = 1 + 1.90476(c - 1). A value of c = 1 corresponds to a spherical molecule. Y is a temperature-dependent function whose role is similar to the temperature dependence of the a parameter in the Peng-Robinson equation. Use the methods of Example 7.7 to fit b and Y to the critical point for ethylene using c = 1.3.
Transcribed Image Text:
PV RT = 1 + 4(cnp) 1-1.97p 9.5 (qYnp) 1+1.7745(Yp)
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To find the values of Z use the procedure given in Example 77 In order to determine A and B for the van der Waals equation we must first remember the ...View the full answer
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Related Book For
Introductory Chemical Engineering Thermodynamics
ISBN: 9780136068549
2nd Edition
Authors: J. Elliott, Carl Lira
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