Water Hammer Pressure Calculator

Pipe Anchored at the upstream end only condition

Flow Rate (L/s): Pipe Diameter (mm): Elastic Modulus (GPa): Wall Thickness (mm): Poisson Ratio: Calculate Pressure

General Values of Young’s Modulus and Poisson’s Ratio (Larock et.al 2001)

Material	E,GPa	Poisson’s ratio, u
Steel	207.7	0.30
Copper	110	0.36
Bronze	100	0.34
Asbestos cement	230	0.30
Fiberglass reinforced	9	0.22
PVC	2.8	0.45
Polyethylene	8	0.46