Compressed fluid

A compressed fluid (also called a compressed or unsaturated liquid,[1] subcooled fluid or liquid) is a fluid under mechanical or thermodynamic conditions that force it to be a liquid.

This is the case, for example, for liquid water at atmospheric pressure and room temperature.

In a plot that compares pressure and specific volume (commonly called a p-v diagram), compressed fluid is the state to the left of the saturation curve.

Conditions that cause a fluid to be compressed include: The term compressed liquid emphasizes that the pressure is greater than the saturation pressure for the given temperature.

Compressed liquid properties are relatively independent of pressure.