The Distributed-Suction Effect on the Development of Disturbances at the Nonlinear Stage of Their Evolution in the Boundary Layer

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The Distributed-Suction Effect on the Development of Disturbances at the Nonlinear Stage of Their Evolution in the Boundary Layer. / Kozlov, V. V.; Grek, G. R.; Katasonov, M. M. и др.

в: Doklady Physics, Том 65, № 8, 08.2020, стр. 276-280.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{036409515c5a4efeb60224fbae5881c4,

title = "The Distributed-Suction Effect on the Development of Disturbances at the Nonlinear Stage of Their Evolution in the Boundary Layer",

abstract = "The results of experimental investigations into the effect of distributed suction through a finely perforated permeable section on the spatial development of disturbances at the nonlinear stage of their evolution in the boundary layer of a straight wing are presented. It is shown that distributed suction makes possible reducing the intensity of both natural pulsations of the boundary-layer velocity and artificial ones generated by an external acoustic field at the fundamental frequency and its harmonics by two orders of magnitude. Affecting significantly the average flow, suction rules out the turbulent state of the boundary layer below the impact area and shifts the flow separation keeping it in the laminar state.",

keywords = "boundary layer, distributed suction, disturbance spectrum, nonlinear evolution stage, Tollmien–Schlichting waves, wing profile",

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

year = "2020",

month = aug,

doi = "10.1134/S1028335820080054",

language = "English",

volume = "65",

pages = "276--280",

journal = "Doklady Physics",

issn = "1028-3358",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "8",

}

RIS

TY - JOUR

T1 - The Distributed-Suction Effect on the Development of Disturbances at the Nonlinear Stage of Their Evolution in the Boundary Layer

AU - Kozlov, V. V.

AU - Grek, G. R.

AU - Katasonov, M. M.

AU - Kornilov, V. I.

AU - Sadovskii, I. A.

PY - 2020/8

Y1 - 2020/8

N2 - The results of experimental investigations into the effect of distributed suction through a finely perforated permeable section on the spatial development of disturbances at the nonlinear stage of their evolution in the boundary layer of a straight wing are presented. It is shown that distributed suction makes possible reducing the intensity of both natural pulsations of the boundary-layer velocity and artificial ones generated by an external acoustic field at the fundamental frequency and its harmonics by two orders of magnitude. Affecting significantly the average flow, suction rules out the turbulent state of the boundary layer below the impact area and shifts the flow separation keeping it in the laminar state.

AB - The results of experimental investigations into the effect of distributed suction through a finely perforated permeable section on the spatial development of disturbances at the nonlinear stage of their evolution in the boundary layer of a straight wing are presented. It is shown that distributed suction makes possible reducing the intensity of both natural pulsations of the boundary-layer velocity and artificial ones generated by an external acoustic field at the fundamental frequency and its harmonics by two orders of magnitude. Affecting significantly the average flow, suction rules out the turbulent state of the boundary layer below the impact area and shifts the flow separation keeping it in the laminar state.

KW - boundary layer

KW - distributed suction

KW - disturbance spectrum

KW - nonlinear evolution stage

KW - Tollmien–Schlichting waves

KW - wing profile

UR - http://www.scopus.com/inward/record.url?scp=85096037547&partnerID=8YFLogxK

U2 - 10.1134/S1028335820080054

DO - 10.1134/S1028335820080054

M3 - Article

AN - SCOPUS:85096037547

VL - 65

SP - 276

EP - 280

JO - Doklady Physics

JF - Doklady Physics

SN - 1028-3358

IS - 8

ER -

ID: 26027527