Cavitations Number

An introduction to and a definition of the Cavitations Number

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The Cavitations Number is a "special edition" of the dimensionless Euler Number.

The Cavitations Number is useful for analyzing fluid flow dynamics problems where cavitations may occur.

The Cavitations Number can be expressed as

Ca = ( pr - pv ) / 1/2 ρ v2 (1)

where

Ca = Cavitations number

pr = reference pressure (Pa)

pv = vapor pressure of the fluid (Pa)

ρ = density of the fluid (kg/m3)

v = velocity of fluid (m/s)

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Related Topics

  • Fluid Mechanics The study of fluids - liquids and gases. Involves various properties of the fluid, such as velocity, pressure, density and temperature, as functions of space and time.

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