@wikipedia
Fluid Compressibility of the fluid with density and molar volume is a function of temperature and pressure:
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c_f = \frac{1}{\rho_f} \frac{\partial \rho_f}{\partial p} = -\frac{1}{V_{mf}} \frac{\partial V_{mf}}{\partial p} |
The multi-phase compressibility is a linear sum of of compressibilities of of its phases.
Approximations
Incompressible fluid
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c_f(p) = 0 |
Slightly compressible fluid
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c_f(p) = \rm const |
Ideal gas
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c_f(p) = \frac{1}{p} |
Wide range compressibility proxy model
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Mathematical model of Fluid Compressibility is reviewed in Fluid Compressibility @model.
See also
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Physics / Mechanics / Continuum mechanics / Fluid Mechanics / Fluid Statics
[Compressibility] [Multi-phase compressibility] [ Fluid Compressibility @model ]
