Global ETD Search
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Showing 1 to 14 of 14 for “"VAWT"”.
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The aerodynamic control of the v-type vertical axis wind turbine
The V-type vertical axis wind turbine (V-VAWT) is of simple design and construction, has a low aerodynamic efficiency, yet its originators consider that it will be a cost effective configuration in electricity generation applications. However, the quality and reliability of its power output must be …
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Computational and Experimental Study on Vertical Axis Wind Turbine in Search for an Efficient Design
… On the other hand Vertical Axis Wind Turbine (VAWT) needs low wind speed and can be installed anywhere which are some of the reasons for this research. The main objective of this research is to improve the design and performance of VAWT to make it more attractive, efficient, durable and …
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CFD Analysis for Optimization of Vertical Axis Wind Turbine Farms
Vertical Axis Wind Turbines (VAWT) have gained more importance due to their compactness, adaptability and ease of installation. However, the efficiency of VAWT is much lesser than that of Horizontal Axis Wind Turbine (HAWT). Substantial research is going on to improve the efficiency of VAWT. One of …
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Desarrollo y aplicación de procedimientos experimentales para el ensayo en túnel de viento de modelos a escala de turbinas eólicas de eje vertical (VAWT)
… como las turbinas eólicas de eje vertical (VAWT).
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Aerodynamic Enhancement and Reduced Order Modeling of Vertical Axis Wind Turbines
Vertical-axis wind turbines (VAWTs) are recognized as a viable solution for wind energy harvesting. This study discusses VAWT performance in different aspects. First, using computational fluid dynamics (CFD) simulations, the impact of various deflector angles as an auxiliary augmentation on turbine …
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Experimental and simulation study on the aerodynamic performance of a counter rotating vertical axis wind turbine
… predictions of a unique contra-rotating VAWT have been studied through experimental and computational approaches as it has yet to be applied to a VAWT. The main purpose of this study is to develop and investigate the practicality of employing the contra-rotating concept to a VAWT system …
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Optimization of Renewable Energy Siting Decisions through Vertical Axis Wind Turbine Integration
… these constraints, Vertical Axis Wind Turbines (VAWTs) offer a spatially compact alternative, enabling deployment in space-constrained areas. This study investigates the feasibility of VAWTs as a complementary wind technology by integrating them into a renewable energy siting optimization …
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Analysis and Improvement of Aerodynamic Performance of Straight Bladed Vertical Axis Wind Turbines
Vertical axis wind turbines (VAWTs) with straight blades are attractive for their relatively simple structure and aerodynamic performance. Their commercialization, however, still encounters many challenges. A series of studies were conducted in the current research to improve the VAWTs design and …
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Optimization of a Vertical-Axis Wind Turbine Airfoils Using Machine Learning, Numerical and Experimental Methodologies
… performance of a Vertical-Axis Wind Turbine (VAWT) airfoil through a multidisciplinary approach that combines Machine Learning (ML), Computational Fluid Dynamics (CFD), and experimental validation. The focus was on enhancing the lift-to-drag coefficients ratio (퐶 푙 /퐶 퐷 ), particularly at …
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Vertical axis wind turbine acoustics
… small-scale vertical axis wind turbines (VAWTs) have been proposed as an efficient solution for deployment in built up areas, where the wind is more gusty in nature. If VAWTs are erected in built up areas they will be inherently close to people; consequently, public acceptance of the …
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Vertical Axis Hybrid Wind Turbine
… and investigate the self-starting issue of VAWT. The development of sustainable energy sources has become increasingly critical in recent years because of growing worries about climate change, finite fossil fuel supplies, and the need for energy sustainability. Wind power stands out as a …
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Effects of blade configuration on flow distribution and power output of a zephyr vertical axis wind turbine.
… a novel Zephyr vertical axis wind turbine(VAWT). Simulations of air flow through the turbine rotor were performed to analyze the performance characteristics of the device. Major blade geometries were examined. A multiple reference frame (MRF) model capability of FLUENT was used to express …
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Time-domain and harmonic balance turbulent Navier-Stokes analysis of wind turbine aerodynamics using a fully coupled low-speed preconditioned multigrid solver
… turbine (HAWT) and vertical axis wind turbine (VAWT) operating at design and off-design conditions. On the algorithmic side, the main contribution of this research is the successful development of a rigorous novel approach to low-speed preconditioning (LSP) for the multigrid fully coupled …
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Optimization of Wind Turbine Airfoils/Blades and Wind Farm Layouts
… Turbines (HAWT) and Vertical-Axis Wind Turbines (VAWT) are considered. The goal of the optimization problem is to optimally position the turbines within the wind farm such that the wake effects are minimized and the power production is maximized. The reasonably accurate modeling of the turbine …