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Rotationally-sampled flow-field measurements for vertical-axis wind turbines

Author
Akins, R. E.
Published
United States : [publisher not identified], 1983
Springfield, Va.: National Technical Information Service, [approximately 1983]
Physical Description
microfiche : negative ; 11 x 15 cm

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Summary
This effects a wind-turbine blade moving through a turbulent flow field have on the feequency content of the relative velocity seen by the blade are an important aspect of the aerodynamically induced loads and may also contribute to the fatigue loads. Recent work has emphasized these effects in large horizontal-axis turbines. Measurements of a rotationally-sampled flow field using the DOE/Sandia 17-m research turbine have been completed. These measurements show increased energy content at integer multiples of rotation rate and indicate why rotational sampling may be an important concept in rotor design. These measurements are the first to have been conducted on an operational turbine in a field environment.
Report Numbers
DE83009550; SAND-82-2341C; CONF-830432-2
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AC04-76DP00789
OSTI Identifier 6463236
Research organization: Sandia National Labs., Albuquerque, NM (USA).
View MARC record | catkey: 47329779