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TECHNICAL PAPERS

Rotor Configuration Effects on the Performance of a HAWT With Tip-Mounted Mie-Type Vanes

[+] Author and Article Information
Y. Shimizu, E. Ismaili, Y. Kamada, T. Maeda

Department of Mechanical Engineering, Mie University, 1515 Kamihama-cho,Tsu, Mie 514, Japan

J. Sol. Energy Eng 125(4), 441-447 (Nov 26, 2003) (7 pages) doi:10.1115/1.1621671 History: Received May 03, 2002; Revised April 01, 2003; Online November 26, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic drawing of the test section
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Planform configuration of test blades
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Schematic drawing of the Mie vane
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Relationships between power coefficient and tip speed ratio for various rotor configurations (Uncertainty in CP=0.448±0.007, in λ=4.27±0.01)
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Typical power curves for rotor with and without Mie vanes (Uncertainty in CP=0.466±0.007, in λ=5.42±0.01)
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(a) Relationships between maximum power coefficient and pitch angle. (b) Relationships between power augmentation and pitch angle for different aspect ratio. (Uncertainty in CP=0.515±0.007, in Pinc=14.5%±1.6%, in θ=±0.1 deg)
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(a) Relationships between maximum power coefficient and aspect ratio. (b) Relationships between power augmentation and aspect ratio. (Uncertainty in CP=0.499±0.007, in Pinc=8.75%±1.6%)
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Flow visualization on rotating blade with different aspect ratios for N=2,U=6 m/s: (a) AR=6.15; (b) AR=8.42; (c) arrangement of tufts
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(a) Relationships between maximum power coefficient and Reynolds number for AR=6.15. (b) Relationships between power augmentation and Reynolds number. (Uncertainty in CP=0.515±0.007, in Pinc=11.6%±1.6%)
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Flow visualization on rotating blade with Mie vane, AR=6.15,N=2 for different Reynolds numbers (a) Re=1.2×105 (b) Re=1.5×105 (c) Re=1.9×105
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Flow visualization on rotating blade without Mie vane, AR=6.15,N=2 for different Reynolds numbers (a) Re=1.2×105 (b) Re=1.5×105 (c) Re=1.9×105
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Overall schematic drawing of the Wind Tunnel

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