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Standard and Modified SST Models with the Consideration of the Streamline Curvature for Separated Flow Calculation in a Narrow Channel with a Conical Dimple on the Heated Wall

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  • Sergey Isaev

    (Research Department, Saint-Petersburg State Marine Technical University, Lotsmanskaya 3, 190121 Saint-Petersburg, Russia
    Research Department, Saint-Petersburg State University of Civil Aviation, Pilots Str. 38, 196210 Saint-Petersburg, Russia)

  • Dmitry Nikushchenko

    (Research Department, Saint-Petersburg State Marine Technical University, Lotsmanskaya 3, 190121 Saint-Petersburg, Russia)

  • Alexandr Sudakov

    (Research Department, Saint-Petersburg State University of Civil Aviation, Pilots Str. 38, 196210 Saint-Petersburg, Russia)

  • Nikita Tryaskin

    (Research Department, Saint-Petersburg State Marine Technical University, Lotsmanskaya 3, 190121 Saint-Petersburg, Russia)

  • Ann Egorova

    (Research Department, Saint-Petersburg State Marine Technical University, Lotsmanskaya 3, 190121 Saint-Petersburg, Russia)

  • Leonid Iunakov

    (Research Department, Baltic State Technical University, 1-a Krasnoarmejskaya 1, 190005 Saint-Petersburg, Russia)

  • Alexandr Usachov

    (Research Department, N.E. Zhukovskii Central Aerohydrodynamic Institute, Radio Str., 17, 107005 Moscow, Russia)

  • Valery Kharchenko

    (Research Department, Saint-Petersburg State University of Civil Aviation, Pilots Str. 38, 196210 Saint-Petersburg, Russia)

Abstract

The testing of the standard and modified SST models of the transfer of shear stresses was carried out on an example of calculating the heat transfer with an intense detached flow around a conical dimple with a slope angle of 45 ° on the heated wall of a narrow channel. It was shown that the standard turbulence model by Menter SST (MSST) of 2003, widely used in the packages Fluent, CFX, StarCCM+, etc., significantly underestimated the intensity of the return flow. A correction of this model was presented that took into account the influence of the curvature of streamlines within the framework of the Rodi-Leshziner-Isaev (RLI) approach for spatial separated flows. It was found that the predictions for the RLI MSST 2003 were close to the predictions for the original standard MSST 1993, in which the eddy viscosity was calculated using the vorticity modulus. At the same time, the predictions based on the modified one, following Smirnov-Menter (SM) MSST 2003, included in the ANSYS model catalog did not differ too much from the standard MSST 2003. The preference of the MSST modified within the RLI 2003 for calculating the heat transfer in intense separated flows was substantiated.

Suggested Citation

  • Sergey Isaev & Dmitry Nikushchenko & Alexandr Sudakov & Nikita Tryaskin & Ann Egorova & Leonid Iunakov & Alexandr Usachov & Valery Kharchenko, 2021. "Standard and Modified SST Models with the Consideration of the Streamline Curvature for Separated Flow Calculation in a Narrow Channel with a Conical Dimple on the Heated Wall," Energies, MDPI, vol. 14(16), pages 1-23, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:16:p:5038-:d:615839
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    References listed on IDEAS

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    1. Sergey Isaev & Alexandr Leontiev & Yaroslav Chudnovsky & Dmitry Nikushchenko & Igor Popov & Alexandr Sudakov, 2019. "Simulation of Vortex Heat Transfer Enhancement in the Turbulent Water Flow in the Narrow Plane-Parallel Channel with an Inclined Oval-trench Dimple of Fixed Depth and Spot Area," Energies, MDPI, vol. 12(7), pages 1-24, April.
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    Cited by:

    1. Sergey Isaev & Dmitry Nikushchenko & Alexandr Sudakov & Nikita Tryaskin & Leonid Iunakov & Alexandr Usachov & Valery Kharchenko, 2022. "Numerical Simulation of Heat Transfer Enhancement in the Paths of Propulsion Systems with Single-Row Spherical and Oval Dimples on the Wall," Energies, MDPI, vol. 15(19), pages 1-17, September.

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