Compressibility
Definition - What does Compressibility mean?
Compressibility is the measure of a liquid’s relative volume change when the pressure acting on it changes. Compressibility is related to thermodynamics and fluid mechanics. It is denoted by beta “B”. The Compressibility of a fluid depends on adiabatic or isothermal process. It can be represented in the formula below.
Where
B = compressibility
V = Volume
P = Pressure
Petropedia explains Compressibility
The compressibility of oil, gas and water depends on the volumetric and pressure conditions in a given temperature. There are two types of compressibility:
1. Isothermal Compressibility – It is the compressibility in which fluids are compressed at a constant pressure. This type of entropy is expressed as:
Where, T represents constant temperature.
2. Isentropic Compressibility - It is the compressibility in which the volume of the fluid reduces with the increase in pressure. This type of entropy is expressed as:
Where, S represents Entropy.
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