Application of a laser-Doppler anemometry for the study of unsteady flow structure in a model micro-hydro turbine

S. I. Shtork; I. V. Litvinov; E. Yu Gorelikov; D. G. Mukhin; S. V. Dremov; D. A. Suslov

doi:10.1088/1742-6596/1421/1/012068

Application of a laser-Doppler anemometry for the study of unsteady flow structure in a model micro-hydro turbine

S. I. Shtork, I. V. Litvinov, E. Yu Gorelikov, D. G. Mukhin, S. V. Dremov, D. A. Suslov

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

2 Scopus citations

Abstract

Current work deals with an LDA characterization of the velocity distributions and pressure pulsation maps in an axisymmetric draft tube for the flow conditions corresponding to wide range of the operating regimes of the micro-hydro turbine unit. For the detailed analysis of the velocity profiles, three characteristic regimes corresponding to part-load regime with precessing vortex core formation, best efficiency regime and overload regime of hydro turbine operation were selected. To capture spatial characteristics of the unsteady flow for part-load regime a phase averaging procedure for the LDA data has been employed.

Original language	English
Article number	012068
Journal	Journal of Physics: Conference Series
Volume	1421
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1421/1/012068
State	Published - 30 Dec 2019
Externally published	Yes
Event	15th International Conference on Optical Methods of Flow Investigation, OMFI 2019 - Moscow, Russian Federation Duration: 24 Jun 2019 → 28 Jun 2019

Funding

Funders	Funder number
Russian Foundation for Basic Research and Government of the Novosibirsk Region of the Russian Federation	18-48-540033
Siberian Branch, Russian Academy of Sciences	АААА-А17-117030910025-7

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1088/1742-6596/1421/1/012068

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abstract = "Current work deals with an LDA characterization of the velocity distributions and pressure pulsation maps in an axisymmetric draft tube for the flow conditions corresponding to wide range of the operating regimes of the micro-hydro turbine unit. For the detailed analysis of the velocity profiles, three characteristic regimes corresponding to part-load regime with precessing vortex core formation, best efficiency regime and overload regime of hydro turbine operation were selected. To capture spatial characteristics of the unsteady flow for part-load regime a phase averaging procedure for the LDA data has been employed.",

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AU - Mukhin, D. G.

AU - Dremov, S. V.

AU - Suslov, D. A.

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Application of a laser-Doppler anemometry for the study of unsteady flow structure in a model micro-hydro turbine

Abstract

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