0
Research Papers

Aerodynamic Performance of a Small Horizontal Axis Wind Turbine

[+] Author and Article Information
Maryam Refan, Horia Hangan

The Wind Engineering, Energy and Environment Research Institute,  The University of Western Ontario, London, ON, N6A 5B9, Canadamrefan@uwo.ca

J. Sol. Energy Eng 134(2), 021013 (Mar 19, 2012) (7 pages) doi:10.1115/1.4005751 History: Received January 12, 2011; Revised November 08, 2011; Published March 15, 2012; Online March 19, 2012

The aerodynamic performance of an upwind, three-bladed, small horizontal axis wind turbine (HAWT) rotor of 2.2 m in diameter was investigated experimentally and theoretically in order to assess the applicability of the blade element momentum (BEM) theory for modeling the rotor performance for the case of small HAWTs. The wind turbine has been tested in the low and high speed sections of the Boundary Layer Wind Tunnel 2 (BLWT2) at the University of Western Ontario (UWO) in order to determine the power curve over a wide range of wind speeds. Afterward, the BEM theory has been implemented to evaluate the rotor performance and to investigate three-dimensionality effects on power prediction by the theory. Comparison between the theoretical and experimental results shows that the overall prediction of the theory is within an acceptable range of accuracy. However, the BEM theory prediction for the case of small wind turbines is not as accurate as the prediction for larger wind turbines.

FIGURES IN THIS ARTICLE
<>
Copyright © 2012 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Figure 1

Drawing of the BLWT2

Grahic Jump Location
Figure 2

(a) Schematic drawing of the rotor test configuration in low speed test section (modified image from Natural Resources Canada) and (b) Installation setup in the wind tunnel

Grahic Jump Location
Figure 3

Blade element geometry, velocities, and forces

Grahic Jump Location
Figure 4

Power output versus rotor rotational speed for various wind tunnel speeds (low speed tests)

Grahic Jump Location
Figure 5

Power output versus rotor rotational speed for various wind tunnel speeds (high speed tests)

Grahic Jump Location
Figure 6

Experimental aerodynamic performance of the rotor for a wide range of tunnel wind speeds

Grahic Jump Location
Figure 7

Power output prediction by BEM theory as a function of rotor speed for various wind speeds

Grahic Jump Location
Figure 8

Experimental and theoretical power output of the rotor for various tunnel wind speeds

Grahic Jump Location
Figure 9

Comparison between experimental results and BEM theory prediction at low tunnel wind speeds

Grahic Jump Location
Figure 10

Power output prediction for high tunnel wind speeds considering blockage and stall delay corrections

Grahic Jump Location
Figure 11

Comparison of experimental and theoretical power coefficients

Grahic Jump Location
Figure 12

Theoretical and experimental power curve of the rotor for a wide range of wind speeds

Grahic Jump Location
Figure 13

Percent of difference between predicted power by BEM theory and the measured power

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In