TERMIUM Plus®

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

ABSOLUTE PRESSURE [1 record]

Record 1 2015-04-14

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Aircraft Systems
DEF

The pressure reckoned from absolute zero pressure; or, commonly, gauge pressure plus the pressure of the atmosphere.

OBS

The true total pressure equal to the gauge pressure plus approximately 101.3 kPa.

OBS

Absolute pressure is expressed in units of force per unit of area, as pounds per square inch absolute (psia).

OBS

Gauge pressure and absolute pressure are related, absolute pressure being equal to gauge pressure plus atmospheric pressure.

OBS

Absolute pressure can be zero only in a perfect vacuum.

OBS

absolute pressure : term standardized by ISO.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Circuits des aéronefs
DEF

Mesure de pression utilisant le vide absolu comme référence.

CONT

Il importe cependant de connaître la pression absolue [...] régnant dans une enceinte : elle est la somme pression relative [...] + pression atmosphérique [...]

OBS

pression absolue : terme normalisé par l'ISO.

OBS

pression absolue : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.

Spanish

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