Review on Aerodynamic Characterization of Wind Turbine under different Flow conditions and drag
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 11
Abstract
The utilization of wind energy for power generation purpose is becoming increasingly attractive and gaining a great share in the electrical power production market worldwide .Most of the research on wind turbine constitutes condition monitoring and performance optimisation of Vertical axis wind turbine under a constant velocity of air where the transient effect have not been accounted .The non- uniform behaviour of the wind may change the nature of the flow field drag around the VAWT which could decrease its life cycle. This study is an attempt to use Computational Fluid Dynamics techniques to study and analyse the performance of a wind turbine under accelerating and decelerating air inlet velocity .This abrupt change in the instantaneous torque output of the turbine may give rise to highly transient loads on the turbine’s structure which may induce heavy stresses on the turbine leading to structural failure .The scope of this study is to investigate the transient response of the turbine under accelerating and decelerating wind flow using CFD and a mathematical model is developed to study the parameter that affect the electrical power generated by the wind turbines. The study shows that the operational aerodynamic parameters has a direct effect on the generated power which will lead the developed and researches to focus on the highest aerodynamic priority that should be considered for manufacturing and suitable the new generation of wind turbines. It has been shown that CFD can be used as an effective tool to predict the performance outputs of a VAWT under varying flow condition.
Authors and Affiliations
Alok Kumar Agrawal, Radheshyam Verma, Sheelesh Kumar Patel, Prakash Kumar Sen, Shailendra Kumar Bohidar
Keywords
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