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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN En Línea: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2014010933
pages 575-600

CIRCULAR CYLINDER IN A TRANSONIC FLOW OF A PERFECT GAS

Vyacheslav Antonovich Bashkin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow region, Russia
Ivan Vladimirovich Egorov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Ivan Valeryevich Ezhov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky Str. 1, Zhukovsky, 140180, Russia
Sergey Vladimirovich Utyuzhnikov
The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom

SINOPSIS

The transonic cross flow of a viscous perfect gas around a circular cylinder is numerically simulated using nonstationary two-dimensional flow models. The computations are fulfilled in a sufficiently wide range of similarity parameters: 0.8 ≤ M ≤ 1.3, 103 ≤ Re ≤ 106 (laminar flow), and 106 ≤ Re ≤ 107 (turbulent flow). A streamlined surface is considered to be either adiabatic or isothermic with the temperature factor Tw0 = 0.5 (cooled surface) and 1.5 (overheated surface). The impact of the variable factors on the flow structure and aerodynamic characteristics of a circular cylinder are discussed.

REFERENCIAS

  1. Bashkin, V. A. and Egorov, I. V. , Numerical Simulation of Viscous Perfect Gas Dynamics.

  2. Bashkin, V. A., Egorov, I. V., Ezhov, I. V., and Ivanov, D. V. , Circular cylinder in a transonic viscous perfect gas flow.

  3. Bashkin, V. A., Egorov, I. V., Ezhov, I. V., and Utyuzhnikov, S. V. , Transonic cross flow (M<sub>&#8734;</sub> &#61; 0.8) over a circular cylinder at high Reynolds numbers.

  4. Bashkin, V. A. and Ezhov, I. V. , Circular cylinder in the transonic flow of a viscous perfect gas.

  5. Botta, N. , The inviscid transonic flow about a cylinder.

  6. Ishii, K. and Kuwahara, K. , Computation of compressible flow around a circular cylinder.