Numerical Simulation and Parametric Study of an Oscillating Twin-Wing Wind Generator

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ALISADEGHI H.; Safipour h.; Rezaei fard h.

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Journal: Modares Mechanical Engineering Year:2019 | Volume:19 | Issue:5 Page(s): 1115-1125

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Information Journal Paper

Title

Numerical Simulation and Parametric Study of an Oscillating Twin-Wing Wind Generator

Author(s)

ALISADEGHI H. | Safipour h. | Rezaei fard h. | Issue Writer Certificate

Keywords

Oscillating AirfoilQ1

Pitching MotionQ1

Heaving MotionQ1

Power Extraction RegimeQ1

Twin-Wing Wind GeneratorQ1

Abstract

An airfoil that is heaving and pitching simultaneously may extract energy from an oncoming flow, acting as a turbine. The extracting energy from a flow is possible if the effective parameter in performance of turbine is selected properly. In this study, the theoretical performance of an oscillating Twin-Wing Wind Generator is investigated through unsteady two-dimensional laminar-flow simulations, using the commercial computational fluid dynamics code FLUENT. Computations By examining various geometric, motor, and slippery parameters and investigating the effect of each of these parameters, we present a mapping of power-extraction efficiency in the frequency and pitching amplitude domain for a NACA 0015 airfoil at a Reynolds number of 41000. Results of a parametric study show that motion-related parameters such as heaving amplitude and frequency have a strong effect on airfoil performances, whereas geometry parameters turn out to play a secondary role. A power extraction efficiency of 49% is reached by twin-wing parallel configuration. This configuration improve the efficiency by around 7% as compared to the single foil configuration.

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APA: Copy

ALISADEGHI, H., Safipour, h., & Rezaei fard, h.. (2019). Numerical Simulation and Parametric Study of an Oscillating Twin-Wing Wind Generator. MODARES MECHANICAL ENGINEERING, 19(5 ), 1115-1125. SID. https://sid.ir/paper/178033/en

Vancouver: Copy

ALISADEGHI H., Safipour h., Rezaei fard h.. Numerical Simulation and Parametric Study of an Oscillating Twin-Wing Wind Generator. MODARES MECHANICAL ENGINEERING[Internet]. 2019;19(5 ):1115-1125. Available from: https://sid.ir/paper/178033/en

IEEE: Copy

H. ALISADEGHI, h. Safipour, and h. Rezaei fard, “Numerical Simulation and Parametric Study of an Oscillating Twin-Wing Wind Generator,” MODARES MECHANICAL ENGINEERING, vol. 19, no. 5 , pp. 1115–1125, 2019, [Online]. Available: https://sid.ir/paper/178033/en

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