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Numerical Study of Mixed Convection in Vertical Tubes under Conditions of Unstable Stratification

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Abstract

The present numerical study was performed using a three-parameter turbulence model supplemented by the thermogravitational terms and the transport equation for the transverse turbulent heat flux. The results obtained are compared with the few available experimental data for downward water and air flows through vertical heated tubes and with calculations for upward flow.

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Authors
  1. V. G. Lushchik
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  2. A. E. Yakubenko
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Lushchik, V.G., Yakubenko, A.E. Numerical Study of Mixed Convection in Vertical Tubes under Conditions of Unstable Stratification. Fluid Dynamics 37, 396–402 (2002). https://doi.org/10.1023/A:1019654422859

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