Fluid Compressibility is a function of temperature and pressure:
(1) | c = c(T, p) |
The multi-phase compressibility is a linear sum of compressibilities of its phases.
Approximations
Incompressible fluid
(2) | c(p) = 0 |
Slightly compressible fluid
(3) | c(p) = \rm const |
Ideal gas
(4) | c(p) = \frac{1}{p} |
Wide range compressibility proxy model
(5) | c(p) = \frac{c_0}{1+c_0 \cdot p} |
See also
Physics / Mechanics / Continuum mechanics / Fluid Mechanics / Fluid Statics / Fluid Compressibility
[Compressibility] [Multi-phase compressibility]