Queries, comments, suggestions? Please contact us.



Area Lighting / Emission, optical properties of materials

IEV ref 845-24-007

en
Stefan-Boltzmann's law
relation between the radiant exitance, Me, of a Planckian radiator and its temperature, T, given by

Me = σ T4

where σ is the Stefan-Boltzmann constant and T is the thermodynamic temperature

Note 1 to entry: The Stefan-Boltzmann constant can be calculated by σ= 2 π 5 k 4 15 h 3 c 0 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai abeo8aZjabg2da9maalaaabaGaaGOmaGWaaiab=b8aWnaaCaaaleqa baGaaGynaaaakiaadUgadaahaaWcbeqaaiaaisdaaaaakeaacaaIXa GaaGynaiaadIgadaahaaWcbeqaaiaaiodaaaGccaWGJbWaa0baaSqa aiaaicdaaeaacaaIYaaaaaaaaaa@4533@ where h is the Planck constant, c0 is the speed of light in vacuum, and k is the Boltzmann constant.

Note 2 to entry: For the value of the Stefan-Boltzmann constant, σ, see CODATA.

Note 3 to entry: This entry was numbered 845-04-07 in IEC 60050-845:1987.


fr
loi de Stefan-Boltzmann, f
relation entre l'exitance énergétique, Me, d'un radiateur de Planck et sa température, T, donnée par

Me = σ T4

σ est la constante de Stefan-Boltzmann et T est la température thermodynamique

Note 1 à l'article: La constante de Stefan-Boltzmann peut être calculée par σ= 2 π 5 k 4 15 h 3 c 0 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai abeo8aZjabg2da9maalaaabaGaaGOmaGWaaiab=b8aWnaaCaaaleqa baGaaGynaaaakiaadUgadaahaaWcbeqaaiaaisdaaaaakeaacaaIXa GaaGynaiaadIgadaahaaWcbeqaaiaaiodaaaGccaWGJbWaa0baaSqa aiaaicdaaeaacaaIYaaaaaaaaaa@4533@ h est la constante de Planck, c0 est la vitesse de la lumière dans le vide, et k est la constante de Boltzmann.

Note 2 à l'article: Pour la valeur de la constante de Stefan-Boltzmann, σ, voir CODATA.

Note 3 à l'article: Cet article était numéroté 845-04-07 dans l'IEC 60050-845:1987.


ar
قانون ستيفان بولتزمان

de
Stefan–Boltzmannsches Gesetz, n

it
legge di Stefan–Boltzmann

ko
스테판–볼츠만 법칙

ja
シュテファン-ボルツマンの法則

pl
prawo Stefana–Boltzmana, n

pt
lei de Stefan–Boltzmann

zh
斯忒藩-玻尔兹曼定律

Publication date: 2020-12
Copyright © IEC 2021. All Rights Reserved.