A P-v diagram for liquid water. The compressed fluid region is located to the left of the blue line (the liquid-vapor phase boundary).

A compressed fluid (also called a subcooled fluid) is a fluid under thermodynamic conditions that force it to be a steam. In a plot comparing absolute pressure and specific volume (commonly called a P-v diagram), of a real gas, a compressed fluid is to the left of the liquid-vapor phase boundary; that is, it will be to the left of the vapor dome.

Some of the conditions that cause a fluid to be compressed are the following:

• A specific volume lesser than the specific volume of a saturated liquid
• A fluid temperature below the saturation temperature
• A pressure exceeding the saturation pressure
• An enthalpy smaller than the enthalpy of a saturated liquid

[edit] See also

• Gas cylinder

[edit] References

Turns, Stephen R. (2006). Thermal-Fluid Sciences: An Integrated Approach (1st edition ed.). Cambridge University Press. pp. 90–103. ISBN 0-521-85043-6. 

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