Pipeline Pressure Drop Calculator

Enter pipe geometry, flow conditions and roughness. The Colebrook-White equation is solved iteratively for the Darcy friction factor. Assumes pure H2 gas at specified conditions.
mm
m
Nm³/hr
bar
°C
mm

Pressure Drop Results

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Pressure Drop
mbar
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Pressure Drop
bar
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Pressure Drop
% of inlet
-
Outlet Pressure
bar abs
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Flow Velocity
m/s
-
Reynolds Number
-

Pressure Profile Along Pipeline

Assuming isothermal flow. H2 viscosity ~9×10⁻⁶ Pa·s. Pressure profile shown at 20 equal segments.