Effect of Blade Cambering on Dynamic Stall in View of Designing Vertical Axis Turbines
نویسندگان
چکیده
منابع مشابه
Effect of Dynamic Stall on the Aerodynamics of Vertical-Axis Wind Turbines
Accurate simulations of the aerodynamic performance of vertical-axis wind turbines pose a significant challenge for computational fluid dynamics methods. The aerodynamic interaction between the blades of the rotor and the wake that is produced by the blades requires a high-fidelity representation of the convection of vorticity within the wake. In addition, the cyclicmotion of the blades induces...
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An inverse design process is applied to determine blade shapes used in vertical axis wind turbines (VAWTs). The method is based on the modified Garabedian-McFadden technique that uses the deviation of the pressure distribution or the velocity distribution on the surface from a target pressure or velocity distribution, and modifies the blade surface in order to reduce this deviation. The method ...
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Vertical axis wind turbines (VAWT) are an alternative to horizontal axis wind turbines (HAWT) for wind and tidal energy harvesting applications. Studies of vertical axis wind turbines have heavily invested in understanding the behaviour of the complete turbine, but often with only cursory assessment of the contributions of unsteady aerodynamics of individual blades. This paper experimentally ex...
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ژورنال
عنوان ژورنال: Journal of Fluids Engineering
سال: 2018
ISSN: 0098-2202,1528-901X
DOI: 10.1115/1.4039235