//number of cylinders
n=4;
//brake power(in kW)
bp=50;
//air gas ratio
Rag=9;
//compression ratio
Rc=10;
//volumetric efficiency
nv=0.7;
//indicated thermal efficiency
nth=0.35;
//indicated mechanicalted efficiency
nm=0.8;
//total volume of the engine(in cc)
Vall=2000;