Oneeq13

Name: Oneeq13- Gas Volume from Redlich Kwong Equation of State
Source:      
       
Reference/s Shacham, M. 1989, Chem. Engng. Sci., 44(7), 1495
       
Model: 1 implicit equation, indep. variable name: V
  Lower difficulty level
  Constraints: V>0
  Discontinuities: none in the range of interest
  Initial range: Vmin=0, Vmax=1.0
       
Solved by Shacham, M., POLYMATH 5.1, build 19, Dec. 12, 2000
       
Model Eqs. Gas Volume from Redlich Kwong Equation of State |POLVER05_1

EXCEL FILE 

f(V) = R*T^1.5*V*(V+B)/(P*sqrt(T)*V*(V+B)+A)+B-V #

TEXT FILE  

Pc=45.8 #

POLYMATH FILE 

Tc=191.0 #
  P=100 #
  T=210.0 #
  R=0.08205 #
  A = 0.42748*(R^2*Tc^2.5)/Pc #
  B=0.08664*R*Tc/Pc #
  V(min)=.01, V(max)=.3
       
Variable/function values Variable Value f(x)
  V

0.155

-2.7667E-02
  Pc

45.8
 
  Tc

191
 
  P

100
 
  T

210
 
  R

0.08205
 
  A

31.680418616986
 
  B

0.029645919039
 
       
Root Variable Value f(x)
  V

0.075699587993613 0

0.0000E+00
       
       
Function plot