Formula

Euler Number :
Eu = Δp/ ρV2

 

Pressure Change :
Δp= EuρV2

Density :
ρ = Δp/ EuV2

Characteristic Velocity :
V =√ Δp/ Euρ

Where,
Eu = Euler Number,
Δp = Pressure Change,
ρ = Density,
V = Characteristic Velocity.