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Pressure Coefficient

The pressure coefficient is important in most fluid flow situations

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The pressure coefficient is is the ratio of pressure forces to inertial forces and can be expressed as

Cp = dP/(ρ v2 /2)

    = dh (ρ v2 /2 g)          (1)

where

Cp = pressure coefficient

dp = pressure difference (N)

ρ = fluid density (kg/m3)

v = flow velocity (m/s)

dh = head (m)

g = acceleration of gravity (= 9.91 m/s2)

The pressure coefficient is important in most fluid flow applications.

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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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