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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.2020033001
pages 329-335

TOWARD OPTIMAL WAVY SURFACE SHAPE FOR HIGH-SPEED BOUNDARY LAYER STABILIZATION

Alexander Vitalyevich Fedorov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation; Moscow Institute of Physics and Technology (MIPT), 9 Institutskiy Per., Dolgoprudny, Moscow Region, 141701, Russian Federation
Andrey V. Novikov
Central Aerohydrodynamic Institute, Zhukovsky, 140180, Russia; Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, 141701, Russia
Nikolai N. Semenov
Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, 141701, Russia

Краткое описание

Aerodynamic parameters and stability of a near-wall flow over wavy plates of varying shapes in the free stream of Mach = 6 are investigated by means of numerical simulations. The wavy wall produces a stabilizing effect on a highspeed boundary layer by reducing second-mode instability amplitudes that may eventually delay the laminar-turbulent transition onset. However, the wavyness changes an aerodynamic drag of the surface. In this work a dependency of the stabilizing effect and aerodynamic parameters on the wavy wall shape are investigated. The simulations are done by integrating Navier-Stokes equations using an in-house HSFlow solver, which implements an implicit finite-volume shock-capturing method with the second-order approximation in space and time. Second-mode instabilities are excited by a high-frequency actuator of suction-blowing type placed on the wall. It is shown that with an increasing number of cavities the stabilizing effect is enhanced while the total aerodynamic drag coefficient reaches a certain level. This study helps to clarify robustness of the wavy wall stabilization concept at high speeds.

ЛИТЕРАТУРА

  1. Bountin, D., Chimitov, T., Maslov, A., Novikov, A., Egorov, I., Fedorov, A., and Utyuzhnikov, S., Stabilization of a Hypersonic Boundary Layer Using a Wavy Surface, AIAA J, vol. 51, no. 5, pp. 1203-1210,2013.

  2. Egorov, I.V., Novikov, A.V., and Fedorov, A.V., Direct Numerical Simulation of the Laminar-Turbulent Transition at Hypersonic Flow Speeds on a Supercomputer, Comput. Math. Mathemat. Phys, vol. 57, no. 8, pp. 1335-1359,2017.

  3. Kirilovskiy, S.V. and Poplavskaya, T.V., Hypersonic Boundary Layer Stabilization by Using a Wavy Surface, J. Phys. Conf. Ser., vol. 894, p. 012040,2017.

  4. Novikov, A., Egorov, I., and Fedorov, A., Direct Numerical Simulation of Supersonic Boundary Layer Stabilization Using Grooved Wavy Surface, 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, paper no. 2010-1245,2010.

  5. Sawaya, J., Sassanis, V., Yassir, S., Sescu, A., and Visbal, M., Assessment of the Impact of Two-Dimensional Wall Deformation Shape on High-Speed Boundary-Layer Disturbances, AIAA J, vol. 56,no. 12, pp. 4787-4800,2018.

  6. Si, W., Huang, G., Zhu, Y., Chen, S., and Lee, C., Hypersonic Aerodynamic Heating over a Flared Cone with Wavy Wall, Phys. Fluids, vol. 31, no. 5, p. 051702,2019.

  7. Zhou, Y., Liu, W., Chai, Z., and Yang, X., Numerical Simulation of Wavy Surface Effect on the Stability of a Hypersonic Boundary Layer, Acta Astronaut., vol. 140, pp. 485-496,2017.


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