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

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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.

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Funding

In the work, elements of the system for panoramic diagnostics of subsonic and supersonic gas flows, purchased under the Development Program of Moscow State University (Identifier no. 470040072), were used. The study was supported by the Russian Science Foundation grant No. 22-29-00443, https://rscf.ru/project/22-29-00443/.

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Authors and Affiliations

  1. Moscow State University, Institute of Mechanics, Moscow, Russia

    Yu. A. Vinogradov, A. G. Zditovets, N. A. Kiselev & S. S. Popovich

Authors
  1. Yu. A. Vinogradov
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  2. A. G. Zditovets
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  3. N. A. Kiselev
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  4. S. S. Popovich
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Corresponding authors

Correspondence to Yu. A. Vinogradov, A. G. Zditovets, N. A. Kiselev or S. S. Popovich.

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Translated by I.G. Brykina

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Vinogradov, Y.A., Zditovets, A.G., Kiselev, N.A. et al. Experimental Study of Energy Separation in Compressible Air Cross Flow Over a Pair of Side-by-Side Circular Cylinders. Fluid Dyn 58, 252–262 (2023). https://doi.org/10.1134/S0015462822602017

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