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Boltzmann constant

- July 31, 2020 at 2:27 pm
  
  Karthik Remella
  Administrator
  
  Hello everyone,
  How does one define Boltzmann constant and what is its value?
  Thank you
- July 31, 2020 at 2:28 pm
  
  Keyur Kanade
  Ansys Employee
  
  Hello @Kremella
  The Boltzmann constant defines the proportionality of the fluid particles kinetic energy to the fluid temperature. It is commonly defined as:
  k_B = R/N_A
  where
  R is the gas constant (8.31446261815324 J⋅K−1⋅mol−1)
  N_A is the Avogadro's number (6.02214076×1023 mol−1)
  In November 2018 the Boltzmann constant value was revised to 1.380649×10−23 J/K

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