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Energies 2016, 9(10), 820; doi:10.3390/en9100820

Electric Circuit Model for the Aerodynamic Performance Analysis of a Three-Blade Darrieus-Type Vertical Axis Wind Turbine: The Tchakoua Model

1
Department of Applied Sciences, University of Québec at Chicoutimi, 555 Boulevard de l’Université, Chicoutimi, QC G7H 2B1, Canada
2
School of Engineering, University of Québec in Abitibi-Témiscamingue (UQAT), 445 Boulevard de l’Université, Rouyn-Noranda, QC J9X 5E4, Canada
3
Department of Industrial Engineering of the University of Padua, Via Venezia 1, Padua 35131, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Frede Blaabjerg
Received: 24 July 2016 / Revised: 28 September 2016 / Accepted: 30 September 2016 / Published: 14 October 2016
(This article belongs to the Special Issue Wind Turbine 2017)
View Full-Text   |   Download PDF [5177 KB, uploaded 18 October 2016]   |  

Abstract

The complex and unsteady aerodynamics of vertical axis wind turbines (VAWTs) pose significant challenges for simulation tools. Recently, significant research efforts have focused on the development of new methods for analysing and optimising the aerodynamic performance of VAWTs. This paper presents an electric circuit model for Darrieus-type vertical axis wind turbine (DT-VAWT) rotors. The novel Tchakoua model is based on the mechanical description given by the Paraschivoiu double-multiple streamtube model using a mechanical‑electrical analogy. Model simulations were conducted using MATLAB for a three-bladed rotor architecture, characterized by a NACA0012 profile, an average Reynolds number of 40,000 for the blade and a tip speed ratio of 5. The results obtained show strong agreement with findings from both aerodynamic and computational fluid dynamics (CFD) models in the literature. View Full-Text
Keywords: wind energy; Darrieus turbines; vertical axis wind turbine; modelling; electric circuit model; aerodynamic characteristics; performance analysis; Tchakoua model wind energy; Darrieus turbines; vertical axis wind turbine; modelling; electric circuit model; aerodynamic characteristics; performance analysis; Tchakoua model
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MDPI and ACS Style

Tchakoua, P.; Wamkeue, R.; Ouhrouche, M.; Benini, E.; Ekemb, G. Electric Circuit Model for the Aerodynamic Performance Analysis of a Three-Blade Darrieus-Type Vertical Axis Wind Turbine: The Tchakoua Model. Energies 2016, 9, 820.

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