Semiempirical hypotheses of the turbulence theory in anisotropic boundary layer

Victor V. Nosov; Oleg N. Emaleev; Vladimir P. Lukin; Evgenii V. Nosov

doi:10.1117/12.606281

15 December 2004 Semiempirical hypotheses of the turbulence theory in anisotropic boundary layer

Victor V. Nosov, Oleg N. Emaleev, Vladimir P. Lukin, Evgenii V. Nosov

Proceedings Volume 5743, Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; (2004) https://doi.org/10.1117/12.606281
Event: Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2004, Tomsk, Russian Federation

Abstract

With the use of semiempirical hypotheses of the turbulence theory it was shown theoretically and experimentally that an arbitrary anisotropic boundary layer can be considered to be locally weakly anisotropic. With the exception of tensor of coefficients of turbulent thermal conductivity, in the proximity of each point of the layer the positions of the theory of isotropic layer (for plane-parallel flows) were performed. In an arbitrary boundary layer the main turbulence parameter is the variable Monin-Obukhov number. It was determined that the anisotropic boundary layer can be changed by an effective isotropic layer. Theoretical expressions were obtained for vertical external scale of turbulence in anisotropic boundary layer, and the coincidence was shown of the experimental values of external scale with the theoretical ones.

Citation Download Citation

Victor V. Nosov, Oleg N. Emaleev, Vladimir P. Lukin, and Evgenii V. Nosov "Semiempirical hypotheses of the turbulence theory in anisotropic boundary layer", Proc. SPIE 5743, Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, (15 December 2004); https://doi.org/10.1117/12.606281

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