THERMAL SCIENCE

International Scientific Journal

Bojan M. Perić

,

Aleksandar M. Simonović

,

Miloš D. Vorkapić

COMPARATIVE ANALYSIS OF NUMERICAL COMPUTATIONAL TECHNIQUES FOR DETERMINATION OF THE WIND TURBINE AERODYNAMIC PERFORMANCES

ABSTRACT
The purpose of this paper is to explore and define an adequate numerical setting for the computation of aerodynamic performances of wind turbines of various shapes and sizes, which offers the possibility of choosing a suitable approach of minimal complexity for the future research. Here, mechanical power, thrust, power coefficient, thrust coefficient, pressure coefficient, pressure distribution along the blade, relative velocity contoure, at different wind speeds and stream-lines were considered by two different methods: the blade element momentum and CFD, within which three different turbulence models were analyzed. The estimation of the mentioned aerodynamic performances was carried out on two different wind turbine blades. The obtained solutions were compared with the experimental and nominal (up-scaled) values, available in the literature. Although the flow was considered as steady, a satisfactory correlation between numerical and experimental results was achieved. The comparison between results also showed, the significance of selection, regarding the complexity and geometry of the analyzed wind turbine blade, the most appropriate numerical approach for computation of aerodynamic performances.
KEYWORDS
wind turbine blades, aerodynamic performances, BEM, CFD
PAPER SUBMITTED: 2020-02-16
PAPER REVISED: 2020-03-27
PAPER ACCEPTED: 2020-04-01
PUBLISHED ONLINE: 2020-05-02
DOI REFERENCE: https://doi.org/10.2298/TSCI200216175P
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 4, PAGES [2503 - 2515]
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Comparative analysis of numerical computational techniques for determination of the wind turbine aerodynamic performances

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence