Pressure Drop Calculator
Find pressure loss using the Darcy-Weisbach equation.
CALCULATE
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Formulas
ΔP = f(L/D)(ρv²/2)Laminar: f = 64/Re. Turbulent: use Moody chart.
Darcy-Weisbach
Most general pressure drop formula. Smooth pipes: f = 0.01-0.03. Rough pipes: 0.03-0.05. Add fitting losses using equivalent length or K-factors.
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