Psia:

See absolute pressure.

Terms Related to Psia

• Absolute pressure

  Total pressure measured from an absolute vacuum. It equals the sum of the gauge pressure and the atmospheric pressure corresponding to the barometer (expressed in ...

• Psi

  Abbreviation: pounds per square inch

• Psi/ft

  Abbreviation: pounds per square inch per foot.

• Psig

  Abbreviation: pounds per square inch, gauge.

• Pressure gradient

  1. A scale of pressure differences in which there is a uniform variation of pressure from point to point. For example, the pressure gradient of ...

• Normal formation pressure

  Formation fluid pressure equivalent to about 0.465 pounds per square foot of depth from the surface. If the formation pressure is 4,650 pounds per square ...

• Hydrostatic pressure

  The force exerted by a body of fluid at rest. It increases directly with the density and the depth of the fluid and is expressed ...