//Stroke length(in cm) L=40; //Diameter of bore(in cm) D=20; //Speed of the engine(in rpm) N=250; //Compression ratio r=6; //Adiabatic constant y=1.4; //Pressure at beginning(in bar) p2=0.98; //Ambient pressure(in bar) p=1; //Ambient temperature(in K) T=273; //Temperature at beginning(in K) T2=350; //Calorific value(in kJ/kg) CV=12000; //Indicated mean effecive pressure(in bar) pim=5; //Air fuel ratio AF=6;