Equation used in Wave Speed Calculator tool

  Product(s): HAMMER
  Version(s): CONNECT Edition, V8i
  Area: Calculations

Problem

What equation does HAMMER use to calculate Wave Speed in the Wave Speed Calculator Tool?

Solution

HAMMER uses the equation developed by Korteweg. See page 586 of Advanced Water Distribution Modeling and Management.

Where:

a = Wave speed (ft/s, m/s)
Ev = Bulk modulus of Elasticity (lbf/ft^2, Pa)
p = liquid density (slugs/ft^3, kg/m^3)
D = Diameter (in, mm)
e = wall thickness (in, mm)
E = Young's Modulus (lbf/ft^2 / Pa)
ψ = pipeline support factor

See Also

Advanced Water Distribution Modeling and Management.

Anonymous
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