Prandtl number of lattice Bhatnagar–Gross–Krook fluid

Y. Chen; Hirotada Ohashi; Mitsuyoshi Akiyama

doi:10.1063/1.868771

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Prandtl number of lattice Bhatnagar–Gross–Krook fluid

Y. Chen Hirotada Ohashi Mitsuyoshi Akiyama

Year: 1995 Journal: Physics of Fluids Vol: 7 (9)Pages: 2280-2282 Publisher: American Institute of Physics

DOI: 10.1063/1.868771

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Abstract

The lattice Bhatnagar–Gross–Krook modeled fluid has an unchangeable unit Prandtl number. A simple method is introduced in this report to formulate a flexible Prandtl number for the modeled fluid. The effectiveness of this method was demonstrated by numerical simulation of the Couette flow.

Keywords:

Prandtl number Turbulent Prandtl number Physics Magnetic Prandtl number Fluid dynamics Couette flow Mechanics Statistical physics Classical mechanics Flow (mathematics) Turbulence Reynolds number Heat transfer

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Lattice Boltzmann Simulation Studies

Physical Sciences → Engineering → Computational Mechanics

Fluid Dynamics and Turbulent Flows

Physical Sciences → Engineering → Computational Mechanics

Fluid Dynamics and Vibration Analysis

Physical Sciences → Engineering → Computational Mechanics

Prandtl number of lattice Bhatnagar–Gross–Krook fluid

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