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- Title
On the moment system and a flexible Prandtl number.
- Authors
Machado, Raúl
- Abstract
The Maxwell-Boltzmann moment system can be seen as a particular case of a mathematically more general moment system proposed by Machado.1 These last moments, of which a suggested continuous distribution and an integral generating form are presented here for some orders, are used in this paper to theoretically show (one of) their usefulness: A flexible Prandtl number can be obtained in both the Boltzmann equation and in the lattice Boltzmann equation with a conventional single relaxation time Bhatnagar-Gross-Krook (BGK) collision model.
- Subjects
MAXWELL-Boltzmann function; PRANDTL number; ANGULAR momentum (Nuclear physics); BOLTZMANN'S equation; COLLISIONS (Physics); LATTICE Boltzmann methods; HEAT transfer; CONTINUOUS distributions
- Publication
Modern Physics Letters B, 2014, Vol 28, Issue 6, p-1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984914500481