a Chemical Engineer

Fogler

Example 8.1 Adiabatic Operation

Polymath link....

https://hotfile.com/dl/224410829/95704cf/Example_81_Adiabatic_Operation.pol.html

ODE Report (RKF45)

Differential equations as entered by the user
[1] d(X)/d(V) = -ra/Fao

Explicit equations as entered by the user
[1] Hrx = -20000
[2] th = 2
[3] cpinert = 18
[4] Cao = 2
[5] Ca = Cao*(1-X)
[6] cpa = 160
[7] Cpt = cpa+cpinert*th
[8] Cb = Cao*X
[9] Fao = 5
[10] E = 10000
[11] R = 1.987
[12] To = 300
[13] T1 = 300
[14] Kc2 = 1000
[15] k1 = 0.1
[16] T = To+(-Hrx*X)/Cpt
[17] Kc = Kc2*exp(Hrx/R*(1/T1-1/T))
[18] k = k1*exp((E/R)*(1/T1-1/T))
[19] ra = -k*(Ca-Cb/Kc)
[20] Xe = Kc/(1+Kc)

Independent variable
variable name : V
initial value : 0
final value : 10