Laboratory Modeling of an Axial Flow Micro Hydraulic Turbine

Daniil Suslov, Ivan Litvinov, Evgeny Gorelikov, Sergey Shtork, David Wood

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

This article is devoted to detailed experimental studies of the flow behind the impeller of an air model of a propeller-type microhydroturbine in a wide range of operating parameters. The measurements of two component distributions of averaged velocities and pulsations for conditions from part load to strong overload are conducted. It is shown that the flow at the impeller outlet becomes swirled when the hydraulic turbine operating mode shifts from the optimum one. The character of the behavior of the integral swirl number, which determines the state of the swirled flow, is revealed. Information about the flow peculiarities can be used when adjusting the hydraulic unit mode to optimal conditions and developing recommendations to expand the hydraulic turbine operation control range with preservation of high efficiency. This stage will significantly save time at the stage of equipment design for specific field conditions of water resource.

Язык оригиналаанглийский
Номер статьи573
ЖурналApplied Sciences (Switzerland)
Том12
Номер выпуска2
DOI
СостояниеОпубликовано - 1 янв. 2022

Предметные области OECD FOS+WOS

  • 1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
  • 2.11 ПРОЧИЕ ТЕХНОЛОГИИ
  • 2.05 ТЕХНОЛОГИЯ МАТЕРИАЛОВ
  • 2.04 ХИМИЧЕСКИЕ ТЕХНОЛОГИИ

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