TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

POUNDS PER SQUARE INCH ABSOLUTE [1 record]

Record 1 1999-05-07

English

Subject field(s)
  • Metrology and Units of Measure
  • Fluid Mechanics and Hydraulics (Physics)
DEF

The absolute, thermodynamic pressure, measured by the number of pounds-force exerted on an area of 1 square inch.

CONT

Psia is equal to the gauge pressure plus the pressure of the atmosphere at that point.

OBS

pounds per square inch absolute; PSIA: term and abbreviation officially approved by the ATSC (Aeronautical Term Standardization Committee) Helicopters.

Key term(s)
  • psi.a
  • pounds/square inch absolute

French

Domaine(s)
  • Unités de mesure et métrologie
  • Mécanique des fluides et hydraulique (Physique)
OBS

pression absolue en lb/po² : terme uniformisé par le CUTA (Comité d'uniformisation de la terminologie aéronautique) - Hélicoptères.

Spanish

Campo(s) temático(s)
  • Metrología y unidades de medida
  • Mecánica de fluidos e hidráulica (Física)
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