Problem 2.3 Correlation of Thermodynamic and Physical Properties of Propane
Part d1 - Heat of Vaporization of Propane - linear - regression solved by "trendline"
log(Tc-T)
2.4409090821
2.4248816366
2.4082399653
2.3909351071
2.372912003
2.3541084391
2.3344
Problem 2.3 Correlation of Thermodynamic and Physical Properties of Propane
Part b1 - Thermal conductivity of gas - polynomial representation
No. of data points (N)
10
k_calc=a0+a1*T_F+.+an*T_Fn
Model
Err=k-k_calc
Variance
First degree
Second degree
Third
Problem 2.1 Estimation of Antoine Equation Parameters Using Nonlinear Regression
No. of data points (N)
20
No. of parameters (m)
3
Model
Pvcalc=10^(A+B/(TC+C)
Err=PV-Pvcalc
TF
Initial estimate
Solution1
6.97908967
6
-886.921439897
-1000
258.530493197
200
Problem 1.12 Adiabatic Flame Temperature for Natural Gas Combustion
T
y = 0.75
x = 0.5
z = 1-y-0.02
CH4 = if(x<1)then(y*(1-x)else(0)
C2H6 = if(x<1)then(z*(1-x)else(0)
CO2 = if(x<1)then(y+2*z)*x)else(y+2*z)
H2O = if(x<1)then(2*y+3*z)*x)else(2*y+3*z)
N2 = 0
Problem 1.1 Molar Volume and Compressibility factor from Van Der Waals Equation
Part a - Solution for P=56 (atm) and T = 450 K
Equations Initial values
Solution1
V
0.5748919
0.7 0.5748919
P = 56
56
56
56
R = 0.08206
0.08206 0.08206 0.08206
T = 450
450
450