Calculate Friction Loss in Pipe Contraction Under Pressure Flow

Upstream Velocity (V1)

Downstream Velocity (V2)

Area Upstream Pipe (A1)

Area Downstream Pipe (A2)

Result

Head Loss (H)

V1 - Upstream Velocity
V2 - Downstream Velocity
A1 - Area Upstream Pipe
A2 - Area Downstream Pipe
K - Transition Loss Coefficient
g - Gravity
H - Head Loss