Flow around a cylinder at the beginning of the critical region

Standard

Flow around a cylinder at the beginning of the critical region. / Dobrosel’skii, K. G.

In: Journal of Applied Mechanics and Technical Physics, Vol. 57, No. 2, 01.03.2016, p. 293-299.

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

Harvard

Dobrosel’skii, KG 2016, 'Flow around a cylinder at the beginning of the critical region', Journal of Applied Mechanics and Technical Physics, vol. 57, no. 2, pp. 293-299. https://doi.org/10.1134/S0021894416020127

APA

Dobrosel’skii, K. G. (2016). Flow around a cylinder at the beginning of the critical region. Journal of Applied Mechanics and Technical Physics, 57(2), 293-299. https://doi.org/10.1134/S0021894416020127

Vancouver

Dobrosel’skii KG. Flow around a cylinder at the beginning of the critical region. Journal of Applied Mechanics and Technical Physics. 2016 Mar 1;57(2):293-299. doi: 10.1134/S0021894416020127

Author

Dobrosel’skii, K. G. / Flow around a cylinder at the beginning of the critical region. In: Journal of Applied Mechanics and Technical Physics. 2016 ; Vol. 57, No. 2. pp. 293-299.

BibTeX

@article{a46922ae868f44609fd7a3b4b9c86b02,

title = "Flow around a cylinder at the beginning of the critical region",

abstract = "Results of experiments with a turbulent flow around a transversely aligned circular cylinder located at identical distances from the walls of a rectangular channel are reported. Data on averaged velocity fields around the cylinder are obtained by means of particle image velocimetry (PIV). Based on these fields, the near wake behind the cylinder is studied, and the kinematic characteristics for flow regimes with and without cavitation are compared. Based on the vector fields of averaged velocity, the angles of separation of the boundary layer from the cylinder surface in the considered flow regimes are determined. The drag coefficients of the cylinder for different flow regimes are calculated. It is demonstrated that the vortex region behind the cylinder and the drag coefficient of the cylinder increase in the case with cavitation. It is also shown that vortex shedding from the cylinder may be irregular, despite the fact that this process is quasi-periodic for most of the time.",

keywords = "boundary layer, cavitation, cylinder, drag coefficient, hydrodynamic testbench, PIV",

author = "Dobrosel{\textquoteright}skii, {K. G.}",

year = "2016",

month = mar,

day = "1",

doi = "10.1134/S0021894416020127",

language = "English",

volume = "57",

pages = "293--299",

journal = "Journal of Applied Mechanics and Technical Physics",

issn = "0021-8944",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "2",

}

RIS

TY - JOUR

T1 - Flow around a cylinder at the beginning of the critical region

AU - Dobrosel’skii, K. G.

PY - 2016/3/1

Y1 - 2016/3/1

N2 - Results of experiments with a turbulent flow around a transversely aligned circular cylinder located at identical distances from the walls of a rectangular channel are reported. Data on averaged velocity fields around the cylinder are obtained by means of particle image velocimetry (PIV). Based on these fields, the near wake behind the cylinder is studied, and the kinematic characteristics for flow regimes with and without cavitation are compared. Based on the vector fields of averaged velocity, the angles of separation of the boundary layer from the cylinder surface in the considered flow regimes are determined. The drag coefficients of the cylinder for different flow regimes are calculated. It is demonstrated that the vortex region behind the cylinder and the drag coefficient of the cylinder increase in the case with cavitation. It is also shown that vortex shedding from the cylinder may be irregular, despite the fact that this process is quasi-periodic for most of the time.

AB - Results of experiments with a turbulent flow around a transversely aligned circular cylinder located at identical distances from the walls of a rectangular channel are reported. Data on averaged velocity fields around the cylinder are obtained by means of particle image velocimetry (PIV). Based on these fields, the near wake behind the cylinder is studied, and the kinematic characteristics for flow regimes with and without cavitation are compared. Based on the vector fields of averaged velocity, the angles of separation of the boundary layer from the cylinder surface in the considered flow regimes are determined. The drag coefficients of the cylinder for different flow regimes are calculated. It is demonstrated that the vortex region behind the cylinder and the drag coefficient of the cylinder increase in the case with cavitation. It is also shown that vortex shedding from the cylinder may be irregular, despite the fact that this process is quasi-periodic for most of the time.

KW - boundary layer

KW - cavitation

KW - cylinder

KW - drag coefficient

KW - hydrodynamic testbench

KW - PIV

UR - http://www.scopus.com/inward/record.url?scp=84976274750&partnerID=8YFLogxK

UR - https://www.elibrary.ru/item.asp?id=27140439

U2 - 10.1134/S0021894416020127

DO - 10.1134/S0021894416020127

M3 - Article

AN - SCOPUS:84976274750

VL - 57

SP - 293

EP - 299

JO - Journal of Applied Mechanics and Technical Physics

JF - Journal of Applied Mechanics and Technical Physics

SN - 0021-8944

IS - 2

ER -

ID: 27437813