Symbol

Definition

P

Pressure

ρ

Fuel density

E

Elastic modulus

Q

Fuel flow per unit time

m_in

Quality of fuel flowing into high-pressure fuel pipe

m_out

The quality of the fuel from the fuel injection nozzle

C

Flow coefficient

A

Area of small holes

V

Volume of high-pressure oil pipe

h

Piston lift

S

Area of ring hole