Abstract—A hybrid turbine with combination of Savonius
and Darrieus is being investigated in an effort to improve the
coefficient of power with same aspect ratio. To achieve this
objective, first Savonius turbine is experimentally tested with
gap between central shaft and rotor with two blades, three
blades and four blades. Tests show that the coefficient of power
of three blades rotor is higher than that of the two and four
blades at low wind speed. Further the Savonius, Darrieus and
modified Hybrid turbines are tested at different wind velocities
through wind tunnel. Investigation is carried out to study the
effect of geometrical and operational parameters on the
performance of a turbine in terms of coefficient of power,
coefficient of static torque and coefficient of torque. The
modified hybrid turbine gives higher coefficient of power (0.23)
at a low wind speed, as compared to that of Savonius rotor (0.19)
and Darrieus three blade rotor (0.21). Hence it is proposed to be
used for household application for power generation at rural
and urban areas. However the parameters of the hybrid turbine
need to be optimized to commercialize this turbine.
Index Terms—Coefficient of power, hybrid turbine,
Renewable energy, vertical axis wind turbine (VWAT), wind
energy.
Ramesh Krishnat Kavade is with Dr. D. Y. Patil Institute of Engineering
and Technology, Pimpri, Pune, Maharashtra, India (e-mail:
kawade.ramesh@gmail.com).
Pravin M. Ghanegaonkarwas is with the Mechanical Engineering
Department, Dr. D. Y. Patil Institute of Engineering and Technology, Pimpri,
Pune, Maharashtra, India (e-mail: pmghanegaonkar@yahoo.com).
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Cite:Ramesh K. Kavade and Pravin M. Ghanegaonkar, "Design and Analysis of Vertical Axis Wind Turbine for Household Application," Journal of Clean Energy Technologies vol. 5, no. 5, pp. 353-358, 2017.
