Solution

Cylinder bore, B = Stroke, S =76 mm
Clearance between cylinder and piston, dc = 0.035 mm
Piston top land height, h = 7 mm Swept volume of the engine cylinder,

Volume of the cylinder at the end of intake stroke,

Volume of the top land crevice can be approximated,

Mass of charge stored in the crevice

Molecular weight of the stoichiometric charge of C8H18 and air (O2 +3.76 N2)

Mass of charge stored in the crevice at peak pressure,

Fraction of inducted charge stored in the crevice from Eq.2.32

Ans.