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Review Article

JCR. 2020; 7(2): 349-355


POWER COEFFICIENT IMPROVEMENT IN BOTTOM QUADRANT OF VERTICAL AXIS WIND TURBINE WITH DOWNSTREAM DEFLECTORS

Naveen Yadav Jathi, Althaf shaik, Anil Kumar K, D. Seshi Reddy, Jarupula Somlal.

Abstract
One of the significant wellsprings of sustainable power source is wind. To meet the present electrical demand we should capture the maximum wind energy. Availability of small windmills with less efficient in energy capture. In this paper, we will model and simulate power coefficient improvement in bottom deflector optimization with vertical axis wind turbine in ANSYS Fluent a two-dimensional vertical hub wind turbine (VAWT) and computational fluid dynamics (CDF) is used to solve the K-epsilon (RNG). First of all, open rotor design was optimized with the required parameters, to the impact speeding up that had on the turbine execution at the open rotor design 24.7208% achieved maximum efficiency. And the array of curved upstream deflector was used, in order to efficiency improvement at odds with the original rotor design. Arrange of deflector will represent the liquid type stream redirection from the returning turbine sharp edge, results negative torque actuated on the framework diminishes, redirector width edge of 45 and 36 degrees were found improve the exhibition of the turbine by almost 1%.

Key words: vertical axis wind turbine, ANSYS, CDF, bottom quadrant, deflectors.



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