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Keywords: wakes
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Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. November 2011, 133(4): 041011.
Published Online: October 13, 2011
...G. Kocer; M. Mansour; N. Chokani; R.S. Abhari; M. Müller In this paper, the first-ever measurements of the wake of a full-scale wind turbine using an instrumented uninhabited aerial vehicle (UAV) are reported. The key enabler for this novel measurement approach is the integration of fast response...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. November 2010, 132(4): 041014.
Published Online: October 14, 2010
...H. Aa. Madsen; G. C. Larsen; T. J. Larsen; N. Troldborg; R. Mikkelsen As the major part of new wind turbines are installed in clusters or wind farms, there is a strong need for reliable and accurate tools for predicting the increased loadings due to wake operation and the associated reduced power...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. August 2008, 130(3): 031009.
Published Online: July 1, 2008
.... The combined recording of blade loads and rotor wake is desired, because of the coupled blade and wake aerodynamics. In general, however, the small size of model rotors prohibits detailed blade load measurements; only the rotor wake is recorded. To estimate the experimental blade flow conditions, a measurement...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. August 2008, 130(3): 031007.
Published Online: July 1, 2008
...Hugh D. Currin; Frank N. Coton; Byard Wood A new aerodynamic wake model has been developed for horizontal axis wind turbines. The aim is to develop an engineering tool for investigation and design of furling turbines. The prescribed vortex wake code HAWTDAWG , developed at the University of Glasgow...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. November 2006, 128(4): 487–497.
Published Online: August 1, 2006
...Carlos J. Simão Ferreira; Gerard J. W. van Bussel; Gijs A. M. van Kuik The results of experimental research on the wake and induced flow around a vertical axis wind turbine (VAWT) in skew are presented. The previous research on VAWTs in skew is limited because this operation mode has only recently...
Journal Articles
Article Type: Solar Scenery
J. Sol. Energy Eng. November 2003, 125(4): 377.
Published Online: November 26, 2003
...L. G. J. Janssen 26 11 2003 wind turbines test facilities wakes data acquisition The Energy Research Center of the Netherlands (ECN) is completing its new Wind Turbine Test Site in Wieringermeer, The Netherlands. This research facility consists of two parts: a prototype...
Journal Articles
Article Type: Technical Papers
J. Sol. Energy Eng. November 2003, 125(4): 425–432.
Published Online: November 26, 2003
...Matthew M. Duquette; Kenneth D. Visser A numerical study was conducted to examine the impact of rotor solidity and blade number on the aerodynamic performance of small wind turbines. Blade element momentum theory and lifting line based wake theory were utilized to parametrically assess the effects...
Journal Articles
Article Type: Technical Papers
J. Sol. Energy Eng. November 2001, 123(4): 290–295.
Published Online: July 1, 2001
... overshoots in power and loads at higher wind speeds. Of the two, the prediction of the center of thrust location upwind of the center of a yawed rotor disk appears to be the most uncertain and potentially in serious error. This error is due to uncertainties in skewed wake effects on the thrust distribution...