TERMIUM Plus®

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

DENSITE PUISSANCE SURFACE [1 record]

Record 1 2023-05-16

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Electromagnetic Radiation
  • Optics
DEF

The power of the radiation that is transmitted relative to the cross-sectional area of a beam.

OBS

Power density is expressed in watts per square meter (W/m²).

OBS

This concept is related to "radiation power" (energy, in the form of electromagnetic radiation, per unit time).

OBS

power density: term and definition standardized by the International Organization for Standardization (ISO).

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Rayonnements électromagnétiques
  • Optique
DEF

Puissance du rayonnement transmis rapporté à l'aire de la section d'un faisceau.

OBS

Le flux énergétique surfacique est exprimé en watts par mètre carré (W/m²).

OBS

Cette notion est liée à celle de l'«éclairement énergétique» (énergie, sous forme de rayonnement électromagnétique, par unité de temps).

OBS

flux énergique surfacique : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

Key term(s)
  • flux énergétique de surface
  • flux énergique de surface
  • densité de puissance de surface

Spanish

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