UAE6 - Wind Tunnel Tests Data - UAE6 - Sequence 7 - Raw Data [electronic resource]

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 621.4 Prime movers and heat engineering

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2021

Mô tả vật lý: : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 257525

Sequence 7: Shroud Operating (P) This test sequence used a downwind, rigid turbine with a 3.4� cone angle. The wind speed ranged from 5 m/s to 25 m/s. Turntable angles from 0� to 30� were achieved, but the yaw error angle was maintained at 0� by adjusting the nacelle yaw. The blade tip pitch was 3�. The rotor rotated at 72 RPM. Blade and probe pressure measurements were collected. The teeter dampers were replaced with rigid links, and these two channels were flagged as not applicable by setting the measured values in the data file to ?99999.99 Nm. The teeter link load cell was pre-tensioned to 40,000 N. An airfoil-shaped aluminum shroud was placed on the tower below the 34% span five-hole probe. It extended below the 91% span five-hole probe. The turntable angle was adjusted to position the shroud at various angles relative to the flow, but the turbine yaw error angle was maintained at 0�. Two additional points were collected where the turntable angle was 0�, and the turbine yaw angle was 20� (71000200) or -20� (710M0200).
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