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Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations. / Severin, A. S.; Timoshevskiy, M. V.; Ilyushin, B. B. et al.

In: Journal of Applied Mechanics and Technical Physics, Vol. 64, No. 6, 12.2023, p. 1011-1014.

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

Harvard

Severin, AS, Timoshevskiy, MV, Ilyushin, BB & Pervunin, KS 2023, 'Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations', Journal of Applied Mechanics and Technical Physics, vol. 64, no. 6, pp. 1011-1014. https://doi.org/10.1134/S002189442306010X

APA

Severin, A. S., Timoshevskiy, M. V., Ilyushin, B. B., & Pervunin, K. S. (2023). Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations. Journal of Applied Mechanics and Technical Physics, 64(6), 1011-1014. https://doi.org/10.1134/S002189442306010X

Vancouver

Severin AS, Timoshevskiy MV, Ilyushin BB, Pervunin KS. Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations. Journal of Applied Mechanics and Technical Physics. 2023 Dec;64(6):1011-1014. doi: 10.1134/S002189442306010X

Author

Severin, A. S. ; Timoshevskiy, M. V. ; Ilyushin, B. B. et al. / Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations. In: Journal of Applied Mechanics and Technical Physics. 2023 ; Vol. 64, No. 6. pp. 1011-1014.

BibTeX

@article{1fe05fba2c47455fba7629e14f22f67b,
title = "Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations",
abstract = "This paper presents the results of a statistical analysis of turbulent structure in a free bubbly jet at a Reynolds number of 12 500 based on PIV measurements of the carrier-phase velocity. Distributions of higher-order statistical moments for velocity fluctuations (coefficients of skewness and excess) and the turbulence energy spectra for single-phase and gas-saturated jets were obtained after statistical filtering of instantaneous velocity fields. The influence of the dispersed phase (bubbles with an average diameter of 0.8 mm) with a volumetric gas fraction of 0, 1, 2, and 3% on the specified characteristics of the continuous phase was analyzed.",
keywords = "PIV method, bubbles, flow structure, free jet, gas fraction, higher-order moments, statistical filtering, turbulence, velocity fluctuations",
author = "Severin, {A. S.} and Timoshevskiy, {M. V.} and Ilyushin, {B. B.} and Pervunin, {K. S.}",
note = "This study was supported by the Russian Science Foundation (Grant No. 19-79-30075-P). The experiment was carried out under a state contract with the Institute of Thermophysics SB RAS.",
year = "2023",
month = dec,
doi = "10.1134/S002189442306010X",
language = "English",
volume = "64",
pages = "1011--1014",
journal = "Journal of Applied Mechanics and Technical Physics",
issn = "0021-8944",
publisher = "Maik Nauka-Interperiodica Publishing",
number = "6",

}

RIS

TY - JOUR

T1 - Turbulence structure in a free bubbly jet: analysis of higher-order statistical moments of velocity fluctuations

AU - Severin, A. S.

AU - Timoshevskiy, M. V.

AU - Ilyushin, B. B.

AU - Pervunin, K. S.

N1 - This study was supported by the Russian Science Foundation (Grant No. 19-79-30075-P). The experiment was carried out under a state contract with the Institute of Thermophysics SB RAS.

PY - 2023/12

Y1 - 2023/12

N2 - This paper presents the results of a statistical analysis of turbulent structure in a free bubbly jet at a Reynolds number of 12 500 based on PIV measurements of the carrier-phase velocity. Distributions of higher-order statistical moments for velocity fluctuations (coefficients of skewness and excess) and the turbulence energy spectra for single-phase and gas-saturated jets were obtained after statistical filtering of instantaneous velocity fields. The influence of the dispersed phase (bubbles with an average diameter of 0.8 mm) with a volumetric gas fraction of 0, 1, 2, and 3% on the specified characteristics of the continuous phase was analyzed.

AB - This paper presents the results of a statistical analysis of turbulent structure in a free bubbly jet at a Reynolds number of 12 500 based on PIV measurements of the carrier-phase velocity. Distributions of higher-order statistical moments for velocity fluctuations (coefficients of skewness and excess) and the turbulence energy spectra for single-phase and gas-saturated jets were obtained after statistical filtering of instantaneous velocity fields. The influence of the dispersed phase (bubbles with an average diameter of 0.8 mm) with a volumetric gas fraction of 0, 1, 2, and 3% on the specified characteristics of the continuous phase was analyzed.

KW - PIV method

KW - bubbles

KW - flow structure

KW - free jet

KW - gas fraction

KW - higher-order moments

KW - statistical filtering

KW - turbulence

KW - velocity fluctuations

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85184951959&origin=inward&txGid=161424ef28d58454b904c50e78931a9b

UR - https://www.mendeley.com/catalogue/aae8119b-c9a1-3b29-802c-81b18a391bcb/

U2 - 10.1134/S002189442306010X

DO - 10.1134/S002189442306010X

M3 - Article

VL - 64

SP - 1011

EP - 1014

JO - Journal of Applied Mechanics and Technical Physics

JF - Journal of Applied Mechanics and Technical Physics

SN - 0021-8944

IS - 6

ER -

ID: 59722230