Tip Studies using CFD and Comparison with Tip Loss Models

Research output: Contribution to journalConference articleResearchpeer-review

Abstract

The flow past a 95 kW Tellus rotor equipped with LM8.2 blades is computed using computational fluid dynamics for a standard tip and a swept tip. The difference in the near-tip flow for the two tips for various tip speed ratios is examined and 3D airfoil data are extracted. The radial distribution of the averaged axial induction factor and the normal and tangential loads are compared with those of a standard blade element momentum code using 2D calibrated airfoil data for a wind speed of 9 m s(-1), where the agreement in computed power is good. Further, a comparison with a new tip loss model proposed by Shen et al. has been performed for the some wind speed. Copyright (C) 2004 John Wiley Sons, Ltd.
Original languageEnglish
JournalWind Energy
Volume17
Issue number4
Pages (from-to)343-356
ISSN1095-4244
DOIs
Publication statusPublished - 2004
EventConference on Science of Making Torque from Wind - Delft University Technol, Delft, Netherlands
Duration: 19 Apr 200421 Apr 2004

Conference

ConferenceConference on Science of Making Torque from Wind
LocationDelft University Technol
CountryNetherlands
CityDelft
Period19/04/200421/04/2004

Keywords

  • Tip flow
  • Aerodynamics
  • CFD

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