TERMIUM Plus®

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

CEILING JET [1 record]

Record 1 2020-01-27

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • Fire Safety
DEF

The gas motion in a hot gas layer near a ceiling that is generated by the buoyancy of a fire plume that is impinging upon the ceiling.

CONT

While combustion gases flowing under a ceiling are technically called ceiling jets, in the fire service this process has historically been termed mushrooming.

OBS

ceiling jet: designation and definition standardized by ISO.

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Sécurité incendie
DEF

Mouvement d'un gaz dans une couche de gaz chaud proche du plafond qui est engendré par la flottabilité du panache de feu incident sur le plafond.

CONT

Bien que les gaz de combustion qui se répandent sous le plafond soient appelés en termes techniques courant de diffusion, ils sont communément appelés effet champignon dans les services d'incendie.

OBS

jet en plafond : désignation et définition normalisées par l'ISO.

Spanish

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