en

Boltzmann constant

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Terminological databases

Metroloogia terminibaas

ID 573810 Last modified 25.09.2026
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Domain Standardisation - Metrology
  • proportsionaalsuse konstant suuruste temperatuur (ühikuga Kelvin) ja energia (ühikuga džaul) vahel, kusjuures väärtusarv saadakse temperatuuriskaala ajaloolistest spetsifikatsioonidest
  • proportionality constant between the quantities temperature (with unit kelvin) and energy (with unit joule), whereby the numerical value is obtained from historical specifications of the temperature scale
Boltzmanni konstant
Usage examples
  • Boltzmanni konstant k on võrdelisustegur ühikuga kelvin temperatuuri ja ühikuga džaul energia vahel, kusjuures selle väärtusarv tuleneb temperatuuriskaala ajaloolistest määratlustest, mis ütleb, et süsteemi temperatuur on võrdeline soojusenergiaga, kuid mitte tingimata süsteemi siseenergiaga.
Good to know
  • Boltzmanni konstandi k leppeliselt kinnistatud väärtus on 1,380 649 × 10 –23 J/K
k symbol
Usage examples
  • k = 1,380 649 × 10–23 J∙K-1 on konstandi väärtus, mis eeldatakse olevat muutumatu.
Boltzmann constant
Usage examples
  • The Boltzmann constant k is a proportionality constant between the quantities temperature(with unit kelvin) and energy (with unit joule), whereby the numerical value is obtainedfrom historical specifications of the temperature scale. The temperature of a system scaleswith the thermal energy, but not necessarily with the internal energy of a system.
Good to know
  • Conventional fixed value of the Boltzmann constant k is 1,380 649 × 10 –23 J/K
k symbol
Usage examples
  • k = 1,380 649 × 10–23 J∙K-1 is the value of the constant that is assumed to be invariant.

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