//Bore of the engine(in cm)
D=10;
//Length of stroke for square engine(in cm)
L=10;
//Number of cylinders
k=4;
//Volumetric effciency
nv=0.75;
//Speed(in rev/s)
N=40;
//Density of air
Pa=1.15;
//Coefficient of air flow
Cd=0.75;
//Area of orifice(in m^2)
A2=0.25*%pi*0.03^2;