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The development of a fatigue loading spectrum for small wind turbine blades

journal contribution
posted on 06.12.2017, 00:00 authored by Jayantha EpaarachchiJayantha Epaarachchi, P Clausen
This paper details a formulation to create a fatigue loading procedure for the blade of a small wind turbine using a combination of detailed short-term aeroelastic and wind measurements and averaged long-term wind data from the Australian Bureau of Meteorology. Detailed aeroelastic measurements from the blade of an operating small wind turbine were acquired simultaneously with wind speed measurements and show that the blade does not respond instantaneously to all changes in wind speed. A methodology has been developed to create a fatigue loading procedure using the blade stress cycles determined from the detailed measurements in conjunction with long-term wind data. The proposed method overcomes the necessity to acquire long-term detailed operational data before developing a blade fatigue loading procedure without compromising on accuracy.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

94

Issue

4

Start Page

207

End Page

223

Number of Pages

17

ISSN

0167-6105

Location

Netherlands

Publisher

Elsevier

Language

en-aus

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Faculty of Sciences, Engineering and Health; Mechanical Engineering; School of Engineering; TBA Research Institute;

Era Eligible

Yes

Journal

Journal of Wind Engineering and Industrial Aerodynamics.