Problem 9 - Reversible Exothermic Gas Phase Reaction in PBR
d(T)/d(W)=(.8*(Ta-T)+rA*delH)/(CPA*FA0)
d(x)/d(W)=-rA/FA0
d(y)/d(W)=-0.015*(1-.5*x)*(T/450)/(2*y)
FA0=5
Ta=500
delH=-40000
CPA=40
k=.5*exp(5032*(1/450-1/T))
CA=.271*(1-x)*(450/T)/(1-.5*x)*y
CC=.271*.5*x*(450/T)/(1-.5*x)*y
Kc=25000*exp(delH/8.314*(1/450-1/T))
rA=-k*(CA^2-CC/Kc)
W(0)=0
T(0)=450
x(0)=0
y(0)=1
W(f)=20