Effect of Distributed Suction on the Development of Disturbances on the Wing Profile

Standard

Effect of Distributed Suction on the Development of Disturbances on the Wing Profile. / Grek, G. R.; Katasonov, M. M.; Kozlov, V. V. et al.

In: Doklady Physics, Vol. 65, No. 4, 01.04.2020, p. 157-160.

Research output: Contribution to journal › Article › peer-review

Harvard

Grek, GR, Katasonov, MM, Kozlov, VV & Kornilov, VI 2020, 'Effect of Distributed Suction on the Development of Disturbances on the Wing Profile', Doklady Physics, vol. 65, no. 4, pp. 157-160. https://doi.org/10.1134/S1028335820040059

APA

Grek, G. R., Katasonov, M. M., Kozlov, V. V., & Kornilov, V. I. (2020). Effect of Distributed Suction on the Development of Disturbances on the Wing Profile. Doklady Physics, 65(4), 157-160. https://doi.org/10.1134/S1028335820040059

Vancouver

Grek GR, Katasonov MM, Kozlov VV, Kornilov VI. Effect of Distributed Suction on the Development of Disturbances on the Wing Profile. Doklady Physics. 2020 Apr 1;65(4):157-160. doi: 10.1134/S1028335820040059

Author

Grek, G. R. ; Katasonov, M. M. ; Kozlov, V. V. et al. / Effect of Distributed Suction on the Development of Disturbances on the Wing Profile. In: Doklady Physics. 2020 ; Vol. 65, No. 4. pp. 157-160.

BibTeX

@article{c2e1398f0a714a158d556801d52d140f,

title = "Effect of Distributed Suction on the Development of Disturbances on the Wing Profile",

abstract = "The results of experimental investigations of the effect of distributed suction through a perforated section of a symmetric wing profile on the spatial development of disturbances in the boundary layer are presented. It is shown that this method of control makes it possible to reduce by ten times the intensity of natural pulsations of the boundary-layer velocity, while the disturbance intensity decreases by about 20 times, when an acoustic field is applied at the subharmonic frequency of the fundamental wave. The suction also significantly affects the mean flow up to eliminating the separation of the boundary layer near the trailing edge of the wing instead of contributing only a decrease in the intensity of high-frequency pulsations for natural and forced disturbances.",

keywords = "boundary layer, distributed suction, disturbance spectrum, linear stability",

author = "Grek, {G. R.} and Katasonov, {M. M.} and Kozlov, {V. V.} and Kornilov, {V. I.}",

year = "2020",

month = apr,

day = "1",

doi = "10.1134/S1028335820040059",

language = "English",

volume = "65",

pages = "157--160",

journal = "Doklady Physics",

issn = "1028-3358",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "4",

}

RIS

TY - JOUR

T1 - Effect of Distributed Suction on the Development of Disturbances on the Wing Profile

AU - Grek, G. R.

AU - Katasonov, M. M.

AU - Kozlov, V. V.

AU - Kornilov, V. I.

PY - 2020/4/1

Y1 - 2020/4/1

N2 - The results of experimental investigations of the effect of distributed suction through a perforated section of a symmetric wing profile on the spatial development of disturbances in the boundary layer are presented. It is shown that this method of control makes it possible to reduce by ten times the intensity of natural pulsations of the boundary-layer velocity, while the disturbance intensity decreases by about 20 times, when an acoustic field is applied at the subharmonic frequency of the fundamental wave. The suction also significantly affects the mean flow up to eliminating the separation of the boundary layer near the trailing edge of the wing instead of contributing only a decrease in the intensity of high-frequency pulsations for natural and forced disturbances.

AB - The results of experimental investigations of the effect of distributed suction through a perforated section of a symmetric wing profile on the spatial development of disturbances in the boundary layer are presented. It is shown that this method of control makes it possible to reduce by ten times the intensity of natural pulsations of the boundary-layer velocity, while the disturbance intensity decreases by about 20 times, when an acoustic field is applied at the subharmonic frequency of the fundamental wave. The suction also significantly affects the mean flow up to eliminating the separation of the boundary layer near the trailing edge of the wing instead of contributing only a decrease in the intensity of high-frequency pulsations for natural and forced disturbances.

KW - boundary layer

KW - distributed suction

KW - disturbance spectrum

KW - linear stability

UR - http://www.scopus.com/inward/record.url?scp=85087973527&partnerID=8YFLogxK

U2 - 10.1134/S1028335820040059

DO - 10.1134/S1028335820040059

M3 - Article

AN - SCOPUS:85087973527

VL - 65

SP - 157

EP - 160

JO - Doklady Physics

JF - Doklady Physics

SN - 1028-3358

IS - 4

ER -

ID: 24782667