Recommendations
Septic tank project - SALUTAR dimensionsCelerity in pipes filled with waterPound forceEstimated time for manual use of gate valvesEstimated inertiaHead loss coefficient applicable to partially open diaphragm valve
Parmakian's curves
Default

Input data

Flow

Diameter

Celerity

Geometric disparity

Extension of the settlement line

Total head loss

Rotation

Inertia (kgf.m²)

Pump efficiency

Output data

ΔHb

ΔHm

ΔHb - hf

ΔHm - (hf/2)

References

  • Parmakian, John. Waterhammer analysis. New York: Prentice, 1955.