Experimental benchmarking of CFD codes used in simulations of heat exchangers for nuclear-power applications

Authors

  • Mikhail Aleksandrovich Bolshukhin Joint Stock Company "Afrikantov Experimental Design Bureau for Mechanical Engineering"
  • Andrey Yurievich Vasiliev Perm State National Research University
  • Aleksey Vladimirovich Budnikov Joint Stock Company "Afrikantov Experimental Design Bureau for Mechanical Engineering"
  • Dmitriy Nikolaevich Patrushev Joint Stock Company "Afrikantov Experimental Design Bureau for Mechanical Engineering"
  • Roman Igorevich Romanov Joint Stock Company "Afrikantov Experimental Design Bureau for Mechanical Engineering"
  • Dmitriy Nikolaevich Sveshnikov Joint Stock Company "Afrikantov Experimental Design Bureau for Mechanical Engineering"
  • Andrey Nikolaevich Sukhanovsky Institute of Continuous Media Mechanics UB RAS
  • Petr Gotlobovich Frick Institute of Continuous Media Mechanics UB RAS

DOI:

https://doi.org/10.7242/1999-6691/2012.5.4.55

Keywords:

turbulent convection, convective heat exchange, CFD packages, benchmarks

Abstract

This study is aimed to provide benchmark experimental data for CFD codes used in simulations of heat-exchangers for nuclear-power applications. The experimental results obtained in studying turbulent Raleigh–Benard convection in a rectangular tank with dimensions(where one of the horizontal dimensions) are proposed as a benchmark. Experiments were carried out for a fixed Raleigh numberand different values of aspect ratio Гand 1. It has been found that, for these aspect ratios, the large-scale circulation is characterized by different regimes. Numerical simulations made by ANSYS CFX for two cases (Г,and Г,) provide relevant results not only for the mean flow but also for the spatial and temporal distribution of turbulent fluctuations. Long-time simulations are able to reproduce the dynamics of large-scale circulation, yet they require a remarkable increase of computation time for accurate comparison of flow characteristics.

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Published

2012-12-25

Issue

Vol. 5 No. 4 (2012)

Section

Articles

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Copyright (c) 2012 Computational Continuum Mechanics

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How to Cite

Bolshukhin, M. A., Vasiliev, A. Y., Budnikov, A. V., Patrushev, D. N., Romanov, R. I., Sveshnikov, D. N., Sukhanovsky, A. N., & Frick, P. G. (2012). Experimental benchmarking of CFD codes used in simulations of heat exchangers for nuclear-power applications. Computational Continuum Mechanics, 5(4), 469-480. https://doi.org/10.7242/1999-6691/2012.5.4.55