General Information
    • ISSN: 1793-821X (Print)
    • Abbreviated Title: J. Clean Energy Technol.
    • Frequency: Quarterly
    • DOI: 10.18178/JOCET
    • Editor-in-Chief: Prof. Haider F. Abdul Amir
    • Executive Editor: Ms. Jennifer Zeng
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Universiti Malaysia Sabah, Malaysia.
I would like to express my appreciation to all the reviewers and editors, who have been working
very hard to ensure the quality of the journal. It's my honor to work with such a wonderful team.

JOCET 2015 Vol.3(2): 83-90 ISSN: 1793-821X
DOI: 10.7763/JOCET.2015.V3.174

Study of Wind Turbine Aerodynamic Performance Using Numerical Methods

S. Derakhshan and A. Tavaziani
Abstract—Design of wind turbine blades strictly depends on high precision, reliable and robust numerical predictions of its performance in all of operation conditions. This paper aims to simulate the flow around horizontal wind turbine blade with Computational Flow Dynamics (CFD) using a validated 3D Navier–Stokes flow solver. The main objectives of this study are investigating of different turbulence models and aerodynamic performance of wind turbine blades. The NREL Phase VI rotor used for CFD simulations and testing. Three different turbulence models included of Spalart- Allmaras, k-epsilon (Launder Sharma) and k-ω SST tested and the best model for prediction of wind turbine performance is provided. Since Mach number is less than 0.3, the flow around wind turbine blade is incompressible and precondition used. For all cases the structure grid used for Fluid reticulation grid. For results more accuracy, use of preconditioning is necessary. Outputs of flow solver are t power and pressure coefficients for each section. At the final the k-epsilon with preconditioning code is selected the best model for simulation of flow around wind turbine blades.

Index Terms—Computational fluid dynamics (CFD), horizontal wind turbine (HWT), aerodynamic design, turbulence models.

The authors are with Iran University of Science and Technology, Tehran, Irhm2431 Iran (e-mail:,


Cite:S. Derakhshan and A. Tavaziani, "Study of Wind Turbine Aerodynamic Performance Using Numerical Methods," Journal of Clean Energy Technologies vol. 3, no. 2, pp. 83-90, 2015.

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