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Title:
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An engineering model for yawed conditions, developed on the basis of wind tunnel measurements
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Author(s):
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Published by:
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Publication date:
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ECN
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1-10-1998
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ECN report number:
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Document type:
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ECN-RX--98-057
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Article (scientific)
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Number of pages:
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11
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Published in: Paper will be presented at the AIAA ASME conference, January 1999, Reno, USA (), , , Vol., p.-.
Abstract:
The project on the title subject aimed at the development of an improvedengineering model for the prediction of the unbalance in the inflow of a wind
turbine rotor at yawed conditions. The yaw model was derived from inflow
measurements which are performed in the rotorplane of a 1.2 m diameter wind
turbine, placed in the open jet wind tunnel of the Delft University of
Technology (DUT) in Delft, Netherlands. The model has been validated with
load measurements in yaw which were made on several model wind turbines
placed in wind tunnels and on a full scale wind turbine. In many validation
cases, the new yaw model resulted in a considerable improvement of the
prediction of the loads at yawed conditions. 7 refs.
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