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Analysis of turbulent diffusion in the temperature variance dissipation rate equation

  1. I. Otić*,
  2. G. Grötzbach

Article first published online: 13 DEC 2004

DOI: 10.1002/pamm.200410226

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PAMM

PAMM

Volume 4, Issue 1, pages 490–491, December 2004

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How to Cite

Otić, I. and Grötzbach, G. (2004), Analysis of turbulent diffusion in the temperature variance dissipation rate equation. Proc. Appl. Math. Mech., 4: 490–491. doi: 10.1002/pamm.200410226

Author Information

  1. Forschungszentrum Karlsruhe, Institute for Nuclear and Energy Technologies, Postfach 3640, 76021 Karlsruhe

*Phone: +49 7247 82 4149, Fax: +49 7247 82 4837

Publication History

  1. Issue published online: 13 DEC 2004
  2. Article first published online: 13 DEC 2004

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Abstract

Results of a new direct numerical simulation (DNS) for the Rayleigh-Bénard convection at Prandtl number Pr = 0.025 and Rayleigh number Ra = 100,000 are used to analyse the turbulent diffusion term in the transport equation for the temperature variance dissipation rate. These DNS results are also used to investigate the performance of statistical models for this turbulent diffusion term. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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