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传热学
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ISSN 打印: 1064-2285
ISSN 在线: 2162-6561

传热学

DOI: 10.1615/HeatTransRes.v31.i5.40
pages 333-340

THE k-ε MODEL FOR CALCULATION OF HEAT TRANSFER AND FRICTION IN PRESEPARATION FLOWS

E. V. Shishov
N. E. Bauman Moscow State Technical University, Russia
Alexander Leontiev
Joint Institute for High Temperatures
A. V. Gerasimov
Kazan State Technological University, Kazan, Russia

ABSTRACT

The "k-ε" model of turbulent viscosity for low-Reynolds numbers is suggested. Physically substantiated corrections, which allowed us to make agreement between the experiment and the distribution of a turbulence scale in the region of diffuse flows, are introduced into the dissipation equation of the model. These corrections improved the capability of the "k-ε" model for prediction of heat transfer and friction in the region of diffuse flows, pre-separation flows being included.


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