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Experimental Investigation of the Weak Shock Wave Influence on the Boundary Layer of a Flat Blunt Plate at the Mach Number 2.5. / Ermolaev, Yu G.; Kosinov, A. D.; Kocharin, V. L. и др.
в: Fluid Dynamics, Том 54, № 2, 01.03.2019, стр. 257-263.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Experimental Investigation of the Weak Shock Wave Influence on the Boundary Layer of a Flat Blunt Plate at the Mach Number 2.5
AU - Ermolaev, Yu G.
AU - Kosinov, A. D.
AU - Kocharin, V. L.
AU - Semenov, N. V.
AU - Yatskikh, A. A.
PY - 2019/3/1
Y1 - 2019/3/1
N2 - The generation of two weak shock waves by a two-dimensional roughness mounted on the side wall of the test section of a wind tunnel and their influence on the supersonic boundary layer of a flat blunt plate is experimentally investigated at the Mach number 2.5. The measurements are made using a constant temperature hot-wire anemometer. In the boundary layer of the plate the profiles of the mean mass flow rate and the r.m.s. fluctuations are measured in the region of streamwise vortices generated by the pairwise weak shock wave upon the interaction with the flow in the vicinity of the leading edge of the model. High-intensity fluctuations generated by the influence of the weak shock wave are found to exist.
AB - The generation of two weak shock waves by a two-dimensional roughness mounted on the side wall of the test section of a wind tunnel and their influence on the supersonic boundary layer of a flat blunt plate is experimentally investigated at the Mach number 2.5. The measurements are made using a constant temperature hot-wire anemometer. In the boundary layer of the plate the profiles of the mean mass flow rate and the r.m.s. fluctuations are measured in the region of streamwise vortices generated by the pairwise weak shock wave upon the interaction with the flow in the vicinity of the leading edge of the model. High-intensity fluctuations generated by the influence of the weak shock wave are found to exist.
KW - boundary layer
KW - experiment
KW - hot-wire anemometry
KW - N-wave
KW - supersonic flow
KW - turbulence
UR - http://www.scopus.com/inward/record.url?scp=85066797610&partnerID=8YFLogxK
U2 - 10.1134/S0015462819020058
DO - 10.1134/S0015462819020058
M3 - Article
AN - SCOPUS:85066797610
VL - 54
SP - 257
EP - 263
JO - Fluid Dynamics
JF - Fluid Dynamics
SN - 0015-4628
IS - 2
ER -
ID: 20537697