//Volume of fuel in barrel(in cc) Vpb=6; //Diameter of fuel line(in cm) d=2.5/10; //Length of fuel line(in cm) L=60; //Volume of fuel in injection valve(in cc) Vin=2; //Injection pressure(in bar) p2=150; //Pump inlet pressure(in bar) p1=1; //Coefficient of compressibility K=75*10^-6; //Delivery volume(in cc) Vdel=0.10; //New diameter(in cm) dn=0.7;