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Comparisons between the Wake of a Wind Turbine Generator Operated at Optimal Tip Speed Ratio and the Wake of a Stationary Disk
Joint Authors
Ohya, Yuji
Sugitani, Kenichiro
Uchida, Takanori
Source
Modelling and Simulation in Engineering
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-04-20
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
The wake of a wind turbine generator (WTG) operated at the optimal tip speed ratio is compared to the wake of a WTG with its rotor replaced by a stationary disk.
Numerical simulations are conducted with a large eddy simulation (LES) model using a nonuniform staggered Cartesian grid.
The results from the numerical simulations are compared to those from wind-tunnel experiments.
The characteristics of the wake of the stationary disk are significantly different from those of the WTG.
The velocity deficit at a downstream distance of 10D (D: rotor diameter) behind the WTG is approximately 30 to 40% of the inflow velocity.
In contrast, flow separation is observed immediately behind the stationary disk (≤2D), and the velocity deficit in the far wake (10D) of the stationary disk is smaller than that of the WTG.
American Psychological Association (APA)
Uchida, Takanori& Ohya, Yuji& Sugitani, Kenichiro. 2011. Comparisons between the Wake of a Wind Turbine Generator Operated at Optimal Tip Speed Ratio and the Wake of a Stationary Disk. Modelling and Simulation in Engineering،Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-495672
Modern Language Association (MLA)
Uchida, Takanori…[et al.]. Comparisons between the Wake of a Wind Turbine Generator Operated at Optimal Tip Speed Ratio and the Wake of a Stationary Disk. Modelling and Simulation in Engineering No. 2011 (2011), pp.1-7.
https://search.emarefa.net/detail/BIM-495672
American Medical Association (AMA)
Uchida, Takanori& Ohya, Yuji& Sugitani, Kenichiro. Comparisons between the Wake of a Wind Turbine Generator Operated at Optimal Tip Speed Ratio and the Wake of a Stationary Disk. Modelling and Simulation in Engineering. 2011. Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-495672
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-495672