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Simulation of the turbulent-energy redistribution in a diluted polymer solution

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Journal of Engineering Physics and Thermophysics Aims and scope

A model of transfer of the Reynolds stresses in a turbulent flow of a low-concentration aqueous polymer solution, taking into account the weight of the polymer and its concentration in this solution, is proposed. The influence of a polymer additive in such a solution on the turbulent diffusion and the redistribution of turbulent energy between the Reynolds-stress tensor components was numerically investigated. It is shown that a high-molecular-weight polymer additive in the indicated flow plays a crucial role in changing the intensity of the energy exchange between the turbulent-stress components, which manifests itself as an increase in the anisotropy of the solution and a decrease in the turbulent-energy production and leads to a decrease in the friction drag in the flow.

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Authors and Affiliations

  1. Institute of Hydrodynamics, National Academy of Sciences of Ukraine, 8/4 Zhelyabov Str., Kiev, 03680, Ukraine

    G. A. Voropaev & N. F. Dimitrieva

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  1. G. A. Voropaev
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  2. N. F. Dimitrieva
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Correspondence to N. F. Dimitrieva.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 86, No. 1, pp. 126–137, January–February, 2013.

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Voropaev, G.A., Dimitrieva, N.F. Simulation of the turbulent-energy redistribution in a diluted polymer solution. J Eng Phys Thermophy 86, 131–144 (2013). https://doi.org/10.1007/s10891-013-0813-3

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  • DOI: https://doi.org/10.1007/s10891-013-0813-3

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