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- Publisher
- Springer Journals
- Copyright
- Copyright © Pleiades Publishing, Ltd. 2023
- ISSN
- 0021-8944
- eISSN
- 1573-8620
- DOI
- 10.1134/s0021894423010078
- Publisher site
- See Article on Publisher Site
Abstract
Investigation of hydro-turbine runner flow on a full-scale test rig consisting of a spiral casing, a stator, guide vanes, and a runner is difficult due to high cost and labor intensity. Therefore, an approach to modeling the inlet velocity profile of a hydro turbine draft tube is proposed that significantly reduces the cost of testing. In this approach, the draft tube inlet flow is modeled using a special swirl apparatus which is a combination of two swirlers: fixed and rotating. The paper presents the results of analytical calculation of the vane shape that provides a given velocity distribution corresponding to the optimal operation of the hydro turbine.
Journal
Journal of Applied Mechanics and Technical Physics – Springer Journals
Published: Feb 1, 2023
Keywords: modeling; design; hydro turbine