Experimental Study of Energy Separation in Compressible Air Cross Flow Over a Pair of Side-by-Side Circular Cylinders

Yu. A. Vinogradov; Виноградов Ю. А.; A. G. Zditovets; Здитовец А. Г.; N. A. Kiselev; Киселёв Н. А.; S. S. Popovich; Попович С. С.

doi:10.31857/S0568528122600904

Experimental Study of Energy Separation in Compressible Air Cross Flow Over a Pair of Side-by-Side Circular Cylinders

Authors: Vinogradov Y.A.¹, Zditovets A.G.¹, Kiselev N.A.¹, Popovich S.S.¹
Affiliations:
1. Moscow State University, Institute of Mechanics
Issue: No 2 (2023)
Pages: 102-112
Section: Articles
URL: https://rjmseer.com/1024-7084/article/view/672469
DOI: https://doi.org/10.31857/S0568528122600904
EDN: https://elibrary.ru/NTSOFA
ID: 672469

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Abstract

The influence of the distance between two circular side-by-side cylinders in a cross flow on the surface distribution of temperature and static pressure is experimentally studied. The studies were carried out at free-stream Mach numbers M equal to 0.295 and 0.365 and Reynolds numbers ReD equal to 6.4 × 104 and 7.9 × 104, respectively. The surface distributions of the pressure coefficient and the temperature recovery factor for one of the cylinders are obtained. It is shown that, depending on the distance between the cylinders, the pressure coefficient and temperature recovery factor can be both higher and lower than the values obtained in the flow over a single cylinder with the same free-stream parameters.

Keywords

energy separation, cross flow, circular cylinder, pressure coefficient, temperature recovery factor

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