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Evolution of a swirling flow in a draft tube model at transient operation regimes. / Shtork, S. I.; Suslov, D. A.; Litvinov, I. V. et al.

In: Thermophysics and Aeromechanics, Vol. 27, No. 1, 01.01.2020, p. 153-156.

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Shtork SI, Suslov DA, Litvinov IV, Gorelikov EY. Evolution of a swirling flow in a draft tube model at transient operation regimes. Thermophysics and Aeromechanics. 2020 Jan 1;27(1):153-156. doi: 10.1134/S0869864320010163

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Shtork, S. I. ; Suslov, D. A. ; Litvinov, I. V. et al. / Evolution of a swirling flow in a draft tube model at transient operation regimes. In: Thermophysics and Aeromechanics. 2020 ; Vol. 27, No. 1. pp. 153-156.

BibTeX

@article{70b5a9d964714a6886054c325caf32be,
title = "Evolution of a swirling flow in a draft tube model at transient operation regimes",
abstract = "This work deals with the experimental study of transient flow regimes occurring in the laboratory model of a hydraulic turbine draft tube at a change in the control parameters of setup. The transition from the partial load regime, when a precessing vortex core is formed, to the best efficiency point without a core is considered. To set accurately the speed of runner rotation and the flow rate of the working medium, the setup was controlled by special software. To ensure accurate multiple reproduction of a given transition cycle between two regimes, the control program has been upgraded. Using a specially developed procedure of phase averaging of a laser Doppler anemometer (LDA) signal recorded during multiple repetitions of transient regimes, the velocity profiles were obtained for different phases of changing the setup operating conditions.",
keywords = "acoustic sensors, draft tube, laser-Doppler anemometer, phase (conditional) averaging, precessing vortex core, transient regime",
author = "Shtork, {S. I.} and Suslov, {D. A.} and Litvinov, {I. V.} and Gorelikov, {E. Yu}",
year = "2020",
month = jan,
day = "1",
doi = "10.1134/S0869864320010163",
language = "English",
volume = "27",
pages = "153--156",
journal = "Thermophysics and Aeromechanics",
issn = "0869-8643",
publisher = "PLEIADES PUBLISHING INC",
number = "1",

}

RIS

TY - JOUR

T1 - Evolution of a swirling flow in a draft tube model at transient operation regimes

AU - Shtork, S. I.

AU - Suslov, D. A.

AU - Litvinov, I. V.

AU - Gorelikov, E. Yu

PY - 2020/1/1

Y1 - 2020/1/1

N2 - This work deals with the experimental study of transient flow regimes occurring in the laboratory model of a hydraulic turbine draft tube at a change in the control parameters of setup. The transition from the partial load regime, when a precessing vortex core is formed, to the best efficiency point without a core is considered. To set accurately the speed of runner rotation and the flow rate of the working medium, the setup was controlled by special software. To ensure accurate multiple reproduction of a given transition cycle between two regimes, the control program has been upgraded. Using a specially developed procedure of phase averaging of a laser Doppler anemometer (LDA) signal recorded during multiple repetitions of transient regimes, the velocity profiles were obtained for different phases of changing the setup operating conditions.

AB - This work deals with the experimental study of transient flow regimes occurring in the laboratory model of a hydraulic turbine draft tube at a change in the control parameters of setup. The transition from the partial load regime, when a precessing vortex core is formed, to the best efficiency point without a core is considered. To set accurately the speed of runner rotation and the flow rate of the working medium, the setup was controlled by special software. To ensure accurate multiple reproduction of a given transition cycle between two regimes, the control program has been upgraded. Using a specially developed procedure of phase averaging of a laser Doppler anemometer (LDA) signal recorded during multiple repetitions of transient regimes, the velocity profiles were obtained for different phases of changing the setup operating conditions.

KW - acoustic sensors

KW - draft tube

KW - laser-Doppler anemometer

KW - phase (conditional) averaging

KW - precessing vortex core

KW - transient regime

UR - http://www.scopus.com/inward/record.url?scp=85084425027&partnerID=8YFLogxK

U2 - 10.1134/S0869864320010163

DO - 10.1134/S0869864320010163

M3 - Article

AN - SCOPUS:85084425027

VL - 27

SP - 153

EP - 156

JO - Thermophysics and Aeromechanics

JF - Thermophysics and Aeromechanics

SN - 0869-8643

IS - 1

ER -

ID: 24260125