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Blades Optimization for Maximum Power Output of Vertical Axis Wind Turbine

1Department of Mechanical Engineering, Institute of Space Technology, Islamabad, Pakistan

2Department of Mechanical Engineering, International Islamic University, Islamabad, Pakistan

3Department of Mechanical Engineering, Sungkyunkwan University, South Korea

4 Department of Mechanical Engineering, Istanbul Medeniyet University, Turkey

5 Department of Mechanical Engineering, CECOS University of IT and Emerging Science, Peshawar, Pakistan

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Received: 1 Jan 2021; Revised: 4 Mar 2021; Accepted: 12 Mar 2021; Available online: 25 Mar 2021; Published: 1 Aug 2021.
Editor(s): H. Hadiyanto
Open Access Copyright (c) 2021 The Authors. Published by Centre of Biomass and Renewable Energy (CBIORE)
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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Wind power is a significant and urging sustainable power source asset to petroleum derivatives. Wind machines, for example, H-Darrieus vertical pivot wind turbines (VAWTs) have increased much notoriety in research network throughout the most recent couple of decades because of their applications at destinations having moderately low wind speed. Be that as it may, it is noticed that such wind turbines have low effectiveness. The point of this examination is to plan rotor cutting edges which could create most extreme power yield and execution. Different plan factors, for instance, harmony length, pitch edge, rotor distance across, cutting edge length and pitch point are explored to upgrade the presentation of VAWT. Rotor cutting edges are manufactured using the NACA-0030 structure and tried in wind burrow office and contrast its outcomes and DSM 523 profile. Numerical simulations are performed to get best geometry and stream conduct for achieving greatest power. It is seen that for higher tip-speed-proportion (TSR), shorter harmony length and bigger distance across the rotor (i.e., lower robustness) yields higher effectiveness in NACA 0030. Nevertheless, for lower TSR, the more drawn out agreement length and slighter distance across rotor (i.e., higher strength) gives better implementation. The pitch point is - 2° for TSR = 3 and - 3° for TSR = 2.5. The most extreme power yield of the wind turbine is acquired for the sharp edge profile NACA 0030. Besides, instantaneous control coefficient, power coefficient (CP) is the greatest reason for azimuthal edge of 245° and least esteem for 180°.

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Keywords: Design optimization; H-Darrieus VAWT; NACA 0030; DSM 523; Maximum power; TSR; Optimum azimuthal angle.

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