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Abstract <p> Equations of the double-deck boundary layer structure are obtained in the problem of a flow of a viscous incompressible fluid around a small irregularity on a curved surface at high Reynolds numbers. It is shown that ,due to the chosen coordinate system, the form of the equations of the double-deck structure coincides with those of the previously studied case of a small irregularity on a flat surface; the difference lies only in the values of the coefficients. This means that the results of flow modelling for the flat case can be qualitatively transferred to the curvilinear case. </p> <p> <b> DOI</b> 10.1134/S1061920825600461 </p>

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Double-Deck Structure of the Boundary Layer in the Flow Around a Small Localized Irregularity on a Curved Surface

  • 期刊论文

  • 发表日期：

    2025年9月29日

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  • R.K. Gaydukov

摘要

Abstract

Equations of the double-deck boundary layer structure are obtained in the problem of a flow of a viscous incompressible fluid around a small irregularity on a curved surface at high Reynolds numbers. It is shown that ,due to the chosen coordinate system, the form of the equations of the double-deck structure coincides with those of the previously studied case of a small irregularity on a flat surface; the difference lies only in the values of the coefficients. This means that the results of flow modelling for the flat case can be qualitatively transferred to the curvilinear case.

DOI 10.1134/S1061920825600461