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Pipe Friction Loss

hf = λ·(L/d)·v²/2g | Re = ρ·v·d/μ

Input Parameters

Flowm³/h

Pipe lengthm

Inner diametermm

Roughnessmm

Local loss Σζ−

Densitykg/m³

ViscosityPa·s

Results

Total head loss

—m

Velocity—m/s

Reynolds—

Velocity head—m

Friction λ—

Main-line loss—m

Local loss—m

Pressure drop—kPa

Flow regime—

Engineering estimate.