Numerical Study of Hydrodynamic Interaction between a Row of Spheroids in a Steady Stream of Viscous Fluid

Authors

  • Tsvetan Kotsev Department of Mathematics and Informatics - Sofia University “St. Kliment Ohridski”

DOI:

https://doi.org/10.7546/CRABS.2022.01.03

Keywords:

viscous flow, numerical simulation, spheroids

Abstract

This paper presents a numerical simulation of the flow past three equal or different spheroids arranged in line placed in a stream of viscous fluid with uniform velocity parallel to the centre line. The hydrodynamic interaction was studied for Reynolds numbers from 1 to 200, axis ratio 0.1, 0.2, 0.4 and 0.8 and different distances between them. The downstream and middle spheroid face reduced drag compared to a single one and at some values of Re and distances it takes negative values. The assemblage of touching spheroids has lower drag than a single one at some flow parameters.

Author Biography

Tsvetan Kotsev, Department of Mathematics and Informatics - Sofia University “St. Kliment Ohridski”

Department of Mathematics and Informatics Sofia University “St. Kliment Ohridski”
5, James Bourchier Blvd
1164 Sofia, Bulgaria
e-mail: tkotsev@fmi.uni-sofia.bg

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Published

02-02-2022

How to Cite

[1]
T. Kotsev, “Numerical Study of Hydrodynamic Interaction between a Row of Spheroids in a Steady Stream of Viscous Fluid”, C. R. Acad. Bulg. Sci. , vol. 75, no. 1, pp. 19–25, Feb. 2022.

Issue

Section

Mathematics