Optimized Blade Design of Counter-Rotating-Type Pump-Turbine Unit Operating in Pump and Turbine Modes
Joint Authors
Lee, Kyoung-Yong
Kim, Jin-Hyuk
Choi, Young-Seok
Kim, Jin-Woo
Suh, Jun-Won
Kanemoto, Toshiaki
Source
International Journal of Rotating Machinery
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-04-03
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
In this study, a counter-rotating-type pump-turbine unit was optimized to improve the pump and turbine mode efficiencies simultaneously.
Numerical analysis was carried out by solving three-dimensional Reynolds-averaged Navier–Stokes equations using the shear stress turbulence model.
The hub and tip blade angles of the rear impeller (in the pump mode) were selected as the design variables by conducting a sensitivity test.
An optimization process based on steady flow analysis was conducted using a radial basis neural network surrogate model with Latin hypercube sampling.
The pump and turbine mode efficiencies of the unit were selected as the objective functions and they combined into a single specific objective function with the weighting factors.
Consequently, the pump and turbine mode efficiencies of the optimum design increased simultaneously at overall range of flow rate, except for low flow rate of turbine mode, compared to the reference design.
American Psychological Association (APA)
Kim, Jin-Woo& Suh, Jun-Won& Choi, Young-Seok& Lee, Kyoung-Yong& Kanemoto, Toshiaki& Kim, Jin-Hyuk. 2018. Optimized Blade Design of Counter-Rotating-Type Pump-Turbine Unit Operating in Pump and Turbine Modes. International Journal of Rotating Machinery،Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1175592
Modern Language Association (MLA)
Kim, Jin-Woo…[et al.]. Optimized Blade Design of Counter-Rotating-Type Pump-Turbine Unit Operating in Pump and Turbine Modes. International Journal of Rotating Machinery No. 2018 (2018), pp.1-12.
https://search.emarefa.net/detail/BIM-1175592
American Medical Association (AMA)
Kim, Jin-Woo& Suh, Jun-Won& Choi, Young-Seok& Lee, Kyoung-Yong& Kanemoto, Toshiaki& Kim, Jin-Hyuk. Optimized Blade Design of Counter-Rotating-Type Pump-Turbine Unit Operating in Pump and Turbine Modes. International Journal of Rotating Machinery. 2018. Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1175592
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1175592