EPJ Web Conf.
Volume 196, 2019XV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|Number of page(s)||4|
|Published online||14 January 2019|
Experimental and numerical investigation of excitation of artificial disturbances in the supersonic boundary layer
1 Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, 630090, Novosibirsk, Russia
2 Novosibirsk State University, 630090, Novosibirsk, Russia
* Corresponding author: firstname.lastname@example.org
Published online: 14 January 2019
The influence of the parameters of the impulse action on the laminar supersonic flat-plate boundary layer on the excited localized perturbations is investigated at Mach 2. The influence of the duration of a pulsed discharge on the generated disturbances is studied experimentally. Also, a direct numerical simulation of the influence of the parameters of pulse injection on generated perturbations is carried out. It is obtained that as the duration of the action on the supersonic boundary layer increases, the amplitude of the generated disturbance increases. The velocity of the propagation downstream of localized disturbances in Mach 2 supersonic flat-plate boundary layer is estimated.
© The Authors, published by EDP Sciences, 2019
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