Transition control in a three-dimensional boundary layer at elevated free stream turbulence using dielectric barrier discharge

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Abstract


The results of an experimental study of the effect of dielectric barrier discharge (DBR) actuator on laminar-turbulent transition in a three-dimensional boundary layer under influence of elevated free-stream turbulence are presented. The travelling cross-flow instability modes are dominated in transition in a base configuration. Their characteristics do not depend on a spanwise position. The DBD-actuator that generated stationary cross-flow vortices with the predefined spanwise wavelength when turned on was capable to reduce a turbulent spots production rate in comparison to the base regime.


About the authors

S. A. Baranov

National research center "Institute named after N.E. Zhukovsky"

Email: t124@inbox.ru

Russian Federation, 7, Viktorenko street, Moscow, 125319

A. Ph. Kiselev

National research center "Institute named after N.E. Zhukovsky"

Email: t124@inbox.ru

Russian Federation, 7, Viktorenko street, Moscow, 125319

I. A. Moralev

National research center "Institute named after N.E. Zhukovsky"; Joint Institute of High Temperature of the Russian Academy of Sciences

Email: t124@inbox.ru

Russian Federation, 7, Viktorenko street, Moscow, 125319; 13/19, Izhorskaya street, Moscow, 125412

D. S. Sboev

National research center "Institute named after N.E. Zhukovsky"

Author for correspondence.
Email: t124@inbox.ru

Russian Federation, 7, Viktorenko street, Moscow, 125319

S. N. Tolkachev

National research center "Institute named after N.E. Zhukovsky"

Email: t124@inbox.ru

Russian Federation, 7, Viktorenko street, Moscow, 125319

S. L. Chernyshev

National research center "Institute named after N.E. Zhukovsky"

Email: t124@inbox.ru

Russian Federation, 7, Viktorenko street, Moscow, 125319

Academicain of the Russian Academy of Sciences

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