Effect of δ3 angle on the teeter response of an unstalled wind turbine rotor determined by analysis, experiment, and computer simulation

Andrew H.P. Swift, Emil M. Moroz, W. Lionel Craver

Research output: Contribution to conferencePaper

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Abstract

A large, positive δ3 angle offers some advantages over the usual zero δ3 teeter rotor; such as reduced flapping angles, reduced in-plane excitations, and reduced teeter restraint impact loading. This paper discusses these advantages and presents results from theoretical analyses, computer simulations, and atmospheric tests on the University of Texas at El Paso (UTEP) test-bed turbine. Results from these simulations and tests indicate stable and controlled teeter response at high yaw angles and yaw rates at wind speeds up to 30 m/s. Results of atmospheric tests also show reasonable correlation with the code TEETER, but some discrepancies with past and present versions of the code YAWDYN.

Original languageEnglish
Pages217-226
Number of pages10
StatePublished - Jan 1 1995
EventProceedings of the Energy-Sources Technology Conference and Exhibition - Houston, TX, USA
Duration: Jan 29 1995Feb 1 1995

Conference

ConferenceProceedings of the Energy-Sources Technology Conference and Exhibition
CityHouston, TX, USA
Period01/29/9502/1/95

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Swift, A. H. P., Moroz, E. M., & Craver, W. L. (1995). Effect of δ3 angle on the teeter response of an unstalled wind turbine rotor determined by analysis, experiment, and computer simulation. 217-226. Paper presented at Proceedings of the Energy-Sources Technology Conference and Exhibition, Houston, TX, USA, .