Vortex Structure Intensity in Diffuser Dimples

A. V. Il’inkov; V. V. Takmovtsev; A. V. Shchukin; I. I. Khabibullin; I. Sh. Zaripov

doi:10.3103/S1068799818040128

Vortex Structure Intensity in Diffuser Dimples

Authors: Il’inkov A.V.¹, Takmovtsev V.V.¹, Shchukin A.V.¹, Khabibullin I.I.¹, Zaripov I.S.¹
Affiliations:
1. Tupolev Kazan National Research Technical University
Issue: Vol 61, No 4 (2018)
Pages: 586-592
Section: Aircraft and Rocket Engine Theory
URL: https://journals.rcsi.science/1068-7998/article/view/230716
DOI: https://doi.org/10.3103/S1068799818040128
ID: 230716

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Abstract

An experimental study of the hydrodynamic flow over a single diffuser dimple with a separated flow is carried out. The results of the study are presented, which show that the rotation of the diffuser dimple in plan by 15 deg relative to the main flow direction leads to formation of a single self-organizing large-scale vortex structure in its cavity providing a continuous mass exchange process with the external flow.