Nebulous Art of Using Wind-Tunnel Airfoil Data for Predicting Rotor Performance: Preprint

Research output: Contribution to conferencePaper

Abstract

The objective of this study was threefold: to evaluate different two-dimensional S809 airfoil data sets in the prediction of rotor performance; to compare blade-element momentum rotor predicted results to lifting-surface, prescribed-wake results; and to compare the NASA Ames combined experiment rotor measured data with the two different performance prediction methods. The S809 airfoil data setsevaluated included those from Delft University of Technology, Ohio State University, and Colorado State University. The performance prediction comparison with NASA Ames data documents shortcomings of these performance prediction methods and recommends the use of the lifting-surface, prescribed-wake method over blade-element momentum theory for future analytical improvements.
Original languageAmerican English
Number of pages10
StatePublished - 2002
Event21st ASME Wind Energy Conference - Reno, Nevada
Duration: 14 Jan 200217 Jan 2002

Conference

Conference21st ASME Wind Energy Conference
CityReno, Nevada
Period14/01/0217/01/02

Bibliographical note

Prepared for the 21st ASME Wind Energy Conference, 14-17 January 2002, Reno, Nevada

NREL Publication Number

  • NREL/CP-500-31243

Keywords

  • rotor performance
  • wind energy
  • wind research
  • wind tunnel airfoil data

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