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Effect of Macro-, Micro-, and Nanoparticles on Turbulence in a Carrier Gas

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Abstract

A relation that takes into account all the main mechanisms of the effect of particles on gas turbulence is obtained for the first time using the two-parameter turbulence model for a two-phase flow. The expression found makes it possible to analyze the effect of particles on the turbulence energy of the carrier phase in a wide range of inertia. It is shown that the turbulizing effect of extremely low-inertia particles (nanoparticles) is replaced by the laminarizing effect of low-inertia particles (microparticles), and, then again, is replaced by the turbulizing effect due to the additional generation of turbulence in the wakes behind large particles (macroparticles).

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Authors and Affiliations

  1. Joint Institute for High Temperatures, Russian Academy of Sciences, 127412, Moscow, Russia

    A. Yu. Varaksin

  2. Bauman Moscow State Technical University, 105005, Moscow, Russia

    A. Yu. Varaksin

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  1. A. Yu. Varaksin
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Correspondence to A. Yu. Varaksin.

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Translated by V. Bukhanov

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Varaksin, A.Y. Effect of Macro-, Micro-, and Nanoparticles on Turbulence in a Carrier Gas. Dokl. Phys. 66, 72–75 (2021). https://doi.org/10.1134/S1028335821030058

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  • DOI: https://doi.org/10.1134/S1028335821030058

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