Reduced Pressure

The Reduced Pressure calculator computes the reduced pressure (p_r), one of a set of reduced properties of a fluid substance, defined by the ratio of the actual pressure (p), to the substance's critical pressure (p_cr).  

INSTRUCTIONS:  Choose the preferred units and enter the following:

• (p) Actual Measured Pressure
• (p_cr) Critical Pressure for Fluid

Reduced Pressure (p_r):  The calculator returns the ratio as a real number.  However, this can be automatically converted to other pressure units via the pull-down menu.

NOTES

The reduced properties of a fluid are a set of state variables normalized by the fluid's state properties at the fluid's critical point.