TERMIUM Plus®

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

reactor time constant [1 record]

Record 1 2009-03-01

English

Subject field(s)
  • Nuclear Fission Reactors
  • Atomic Physics
  • Nuclear Power Stations
DEF

Time required for the neutron flux density in a reactor to change by a factor e [= 2.718...] when the flux density is rising or falling exponentially. [Definition standardized by ISO.]

Key term(s)
  • time constant
  • period

French

Domaine(s)
  • Réacteurs nucléaires de fission
  • Physique atomique
  • Centrales nucléaires
DEF

Temps nécessaire pour que la densité de flux de neutrons dans un réacteur varie d'un facteur e [= 2,718...] lorsque le flux augmente ou diminue de façon exponentielle. [Définition normalisée par l'ISO.]

Key term(s)
  • constante de temps

Spanish

Campo(s) temático(s)
  • Reactores nucleares de fisión
  • Física atómica
  • Centrales nucleares
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