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Heat Transfer Research
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ISSN Imprimir: 1064-2285
ISSN En Línea: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v31.i5.10
pages 312-318

LOW-REYNOLDS k-ε MODEL OF TURBULENCE

V. I. Mikhin
State Scientific Center of Russian Federation, A. I. Leipunskii Institute of Physics and Power Engineering, Obninsk, Russia

SINOPSIS

A low-Reynolds k-ε model of turbulence with model functions not containing a spatial coordinate similar to y+ as an argument (this coordinate is usually used to correctly model turbulence near walls) is suggested. The model which is tried out on the developed flow of an incompressible fluid in a plane channel describes the laminar-to-turbulent flow transition correctly. The obtained coefficients of resistance obey the known Dean and Zarbi-Reynolds laws. Mean-velocity distributions virtually coincide with those calculated by the three-layer Karman model.


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