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The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil : High-speed visualization and velocity measurements. / Pervunin, Konstantin S.; Timoshevskiy, Mikhail V.; Zapryagaev, Ivan I. et al.

In: IOP Conference Series: Earth and Environmental Science, Vol. 240, No. 6, 062040, 28.03.2019.

Research output: Contribution to journal › Conference article › peer-review

Harvard

Pervunin, KS, Timoshevskiy, MV, Zapryagaev, II, Markovich, DM, Semenov, GA & Zakharov, AV 2019, 'The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil: High-speed visualization and velocity measurements', IOP Conference Series: Earth and Environmental Science, vol. 240, no. 6, 062040. https://doi.org/10.1088/1755-1315/240/6/062040

APA

Pervunin, K. S., Timoshevskiy, M. V., Zapryagaev, I. I., Markovich, D. M., Semenov, G. A., & Zakharov, A. V. (2019). The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil: High-speed visualization and velocity measurements. IOP Conference Series: Earth and Environmental Science, 240(6), [062040]. https://doi.org/10.1088/1755-1315/240/6/062040

Vancouver

Pervunin KS, Timoshevskiy MV, Zapryagaev II, Markovich DM, Semenov GA, Zakharov AV. The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil: High-speed visualization and velocity measurements. IOP Conference Series: Earth and Environmental Science. 2019 Mar 28;240(6):062040. doi: 10.1088/1755-1315/240/6/062040

Author

Pervunin, Konstantin S. ; Timoshevskiy, Mikhail V. ; Zapryagaev, Ivan I. et al. / The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil : High-speed visualization and velocity measurements. In: IOP Conference Series: Earth and Environmental Science. 2019 ; Vol. 240, No. 6.

BibTeX

@article{a6a74f75ce3f4a9ab8203ed64b304d0c,
title = "The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil: High-speed visualization and velocity measurements",
abstract = "In the study, tip-clearance cavitation inception and development was studied in the gap between an end face of a NACA0022-34 hydrofoil and a transparent sidewall of a test channel. The experiments were carried out for the attack angles of 3° and 9° and the gap width of 0.4 to 0.8 mm under various flow conditions on the cavitation number. In order to observe the tip-clearance cavitation inception and its dynamics, a high-speed visualization was applied. The leakage flow velocity was measured inside the clearance by a modified PTV technique. It was shown that unsteady dynamics of the primary cavity on the foil suction side affects the leakage flow direction and the gap cavitation evolution. An increase of the gap width causes the gap cavitation to be initiated at higher cavitation numbers.",
author = "Pervunin, {Konstantin S.} and Timoshevskiy, {Mikhail V.} and Zapryagaev, {Ivan I.} and Markovich, {Dmitriy M.} and Semenov, {Georgy A.} and Zakharov, {Aleksandr V.}",
year = "2019",
month = mar,
day = "28",
doi = "10.1088/1755-1315/240/6/062040",
language = "English",
volume = "240",
journal = "IOP Conference Series: Earth and Environmental Science",
issn = "1755-1307",
publisher = "IOP Publishing Ltd.",
number = "6",
note = "29th IAHR Symposium on Hydraulic Machinery and Systems, IAHR 2018 ; Conference date: 16-09-2018 Through 21-09-2018",

}

RIS

TY - JOUR

T1 - The gap size effect on leakage flow and cavitation in the clearance of a 2D hydrofoil

T2 - 29th IAHR Symposium on Hydraulic Machinery and Systems, IAHR 2018

AU - Pervunin, Konstantin S.

AU - Timoshevskiy, Mikhail V.

AU - Zapryagaev, Ivan I.

AU - Markovich, Dmitriy M.

AU - Semenov, Georgy A.

AU - Zakharov, Aleksandr V.

PY - 2019/3/28

Y1 - 2019/3/28

N2 - In the study, tip-clearance cavitation inception and development was studied in the gap between an end face of a NACA0022-34 hydrofoil and a transparent sidewall of a test channel. The experiments were carried out for the attack angles of 3° and 9° and the gap width of 0.4 to 0.8 mm under various flow conditions on the cavitation number. In order to observe the tip-clearance cavitation inception and its dynamics, a high-speed visualization was applied. The leakage flow velocity was measured inside the clearance by a modified PTV technique. It was shown that unsteady dynamics of the primary cavity on the foil suction side affects the leakage flow direction and the gap cavitation evolution. An increase of the gap width causes the gap cavitation to be initiated at higher cavitation numbers.

AB - In the study, tip-clearance cavitation inception and development was studied in the gap between an end face of a NACA0022-34 hydrofoil and a transparent sidewall of a test channel. The experiments were carried out for the attack angles of 3° and 9° and the gap width of 0.4 to 0.8 mm under various flow conditions on the cavitation number. In order to observe the tip-clearance cavitation inception and its dynamics, a high-speed visualization was applied. The leakage flow velocity was measured inside the clearance by a modified PTV technique. It was shown that unsteady dynamics of the primary cavity on the foil suction side affects the leakage flow direction and the gap cavitation evolution. An increase of the gap width causes the gap cavitation to be initiated at higher cavitation numbers.

UR - http://www.scopus.com/inward/record.url?scp=85063951197&partnerID=8YFLogxK

U2 - 10.1088/1755-1315/240/6/062040

DO - 10.1088/1755-1315/240/6/062040

M3 - Conference article

AN - SCOPUS:85063951197

VL - 240

JO - IOP Conference Series: Earth and Environmental Science

JF - IOP Conference Series: Earth and Environmental Science

SN - 1755-1307

IS - 6

M1 - 062040

Y2 - 16 September 2018 through 21 September 2018

ER -

ID: 19354658