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Vortex effect as a consequence of negative turbulent diffusivity and viscosity

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Abstract

Conditions of the appearance of negative turbulent viscosity and diffusivity have been analyzed. The vortex effect has been explained on the basis of negative turbulent diffusivity as a result of the reverse of the cascade of turbulent energy transfer.

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Authors and Affiliations

  1. Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, 2a Zhelyabov Str., Kiev, 03057, Ukraine

    A. A. Avramenko & B. I. Basok

Authors
  1. A. A. Avramenko
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  2. B. I. Basok
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 79, No. 5, pp. 112–117, September–October, 2006.

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Avramenko, A.A., Basok, B.I. Vortex effect as a consequence of negative turbulent diffusivity and viscosity. J Eng Phys Thermophys 79, 957–962 (2006). https://doi.org/10.1007/s10891-006-0191-1

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  • DOI: https://doi.org/10.1007/s10891-006-0191-1

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