Combustion of Propane in Air - R = 40 |POLVER05_3 f(n1) = n1+n4-3 #Mol of Carbon Dioxide - Carbon Balance f(n2) = 2*n1+n2+n4+n7+n8+n9+2*n10-R #Mol of Water - Oxygen Balance f(n3) = 2*n2+2*n5+n6+n7-8 #Mol of Nitrogen - Hydrogen Balance f(n4) = 2*n3+n9-4*R #Mol of Carbon Monoxide - Nitrogen Balance f(n5) = K5*n2*n4-n1*n5 #Mol of Hydrogen - Equilibrium Expression f(n6) = K6*sqrt(n2*n4)-sqrt(n1)*n6*sqrt(p/nt) #Hydrogen atom - Equilibrium Expression f(n7) = K7*sqrt(n1*n2)-sqrt(n4)*n7*sqrt(p/nt) #Hydroxyl Radical - Equilibrium Expression f(n8) = K8*n1-n4*n8*(p/nt) #Oxygen Atom - Equilibrium Expression f(n9) = K9*n1*sqrt(n3)-n4*n9*sqrt(p/nt) #Mol Nitric Oxide - Equilibrium Expression f(n10) = K10*n1^2-n4^2*n10*(p/nt) #Mol of Oxygen - Equilibrium Expression nt = n1+n2+n3+n4+n5+n6+n7+n8+n9+n10 #Total Number of Moles of Combustion Products K5 = 0.193 #Equilibrium Constant at 2200 K K6 = 2.597e-3 #Equilibrium Constant at 2200 K K7 = 3.448e-3 #Equilibrium Constant at 2200 K K8 = 1.799e-5 #Equilibrium Constant at 2200 K K9 = 2.155e-4 #Equilibrium Constant at 2200 K K10 = 3.846e-5 #Equilibrium Constant at 2200 K R = 40 #Air to Fuel Ratio p = 40 #Pressure (atm.) n1(0)=1.5 n2(0)=2 n3(0)=35 n4(0)=0.5 n5(0)=0.05 n6(0)=0.005 n7(0)=0.04 n8(0)=0.003 n9(0)=0.02 n10(0)=5