Proceedings ArticleDOI
Effects of Gurney Flaps on the Performance of Diffuser Augmented Wind Turbine
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The article was published on 2017-01-09. It has received 13 citations till now. The article focuses on the topics: Diffuser (sewage) & Turbine.read more
Citations
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Journal ArticleDOI
Review of Flow-Control Devices for Wind-Turbine Performance Enhancement
Zishan Akhter,Farag K. Omar +1 more
TL;DR: This review performs a comprehensive and up-to-date literature survey of selected flow-control devices, from their time of development up to the present, along with a comparative analysis centered on their aerodynamic controllability.
Journal ArticleDOI
Characterization of aerodynamic performance of ducted wind turbines: A numerical study
TL;DR: In this paper, a numerical study to investigate the characteristics of flow around the DWT using a simplified duct-actuator disc (AD) model is carried out to understand the effects of the duct shape and variable AD loadings on the aerodynamic performance coefficients.
Journal ArticleDOI
A novel design of nozzle-diffuser to enhance performance of INVELOX wind turbine
S. Rasoul Hosseini,D.D. Ganji +1 more
TL;DR: In this paper, the performance of Invelox wind turbine, under the effect of geometric changes in the nozzle-diffuser section, is investigated by Finite Volume Method, where the wind speed equation is applied to the inlet.
Journal ArticleDOI
Review on Diffuser Augmented Wind Turbine (DAWT)
Balasem Abdulameer Jabbar Al-quraishi,Norzelawati Asmuin,Sofian Mohd,Wisam A. Abd Al-Wahid,Akmal Nizam Mohammed +4 more
TL;DR: In this paper, a comprehensive review of previous studies on improving or augmentation power of Horizontal Axis Wind Turbines (HAWT) have been reviewed in two categories, first related with relative improvement of energy by improving the aerodynamic forces that affecting on HAWT in some different modifications for blades.
References
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Journal ArticleDOI
Development of a shrouded wind turbine with a flanged diffuser
TL;DR: In this paper, a wind turbine system consisting of a diffuser shroud with a broad-ring flange at the exit periphery and a turbine inside it was developed, and demonstrated power augmentation for a given turbine diameter and wind speed by a factor of about 4-5 compared to a standard (bare) wind turbine.
Journal ArticleDOI
A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology
Yuji Ohya,Takashi Karasudani +1 more
TL;DR: In this paper, a diffuser shroud with a broad-ring brim at the exit periphery and a wind turbine inside it is used to augment the power of a single wind turbine by a factor of about 2-5 compared with a bare wind turbine.
Journal ArticleDOI
Effect of Placing a Diffuser around a Wind Turbine
TL;DR: In this article, an actuator disc CFD model of the flow through a wind turbine in a diffuser is developed and validated, and it is shown theoretically from a 1D analysis that the Betz limit can be exceeded by a factor proportional to the relative increase in mass flow through the rotor induced by the diffuser.
Journal ArticleDOI
Research and development for shrouded wind turbines
TL;DR: In this paper, it is shown that up to 80% improvement in the shroud power augmentation can be obtained by the use of an appropriate ring-shaped flap and proper bleeding of the shroud's external flow into its inner rear part.
Journal ArticleDOI
Analysis of wake states by a full‐field actuator disc model
TL;DR: In this article, a numerical method that combines the actuator disc principle with the Navier-Stokes equations was used to analyze various wake status of rotors working in the windmill brake state as well as in the propeller and hover states.