Comprehensive Analysis of Factors Underpinning the Superior Performance of Ducted Horizontal-Axis Helical Wind Turbines

Shaikh Zishan Suheel, Ahmad Fazlizan (), Halim Razali, Kok Hoe Wong, Altaf Hossain Molla, Rajkumar Singh Rathore, M. S. Hossain Lipu () and Mahidur R. Sarker
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Shaikh Zishan Suheel: Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
Ahmad Fazlizan: Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
Halim Razali: Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
Kok Hoe Wong: Carbon Neutrality Research Group (CNRG), University of Southampton Malaysia, Iskandar Puteri 79200, Malaysia
Altaf Hossain Molla: Department of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
Rajkumar Singh Rathore: Cardiff School of Technologies, Llandaff Campus, Cardiff Metropolitan University, Western Avenue, Cardiff CF5 2YB, UK
M. S. Hossain Lipu: Department of Electrical and Electronic Engineering, Green University of Bangladesh, Dhaka 1207, Bangladesh
Mahidur R. Sarker: Institute of Visual Informatics, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia

Energies, 2024, vol. 17, issue 12, 1-15

Abstract: The societal and economic reliance on non-renewable energy sources, primarily fossil fuels, has raised concerns about an imminent energy crisis and climate change. The transition towards renewable energy sources faces challenges, notably in understanding turbine shear forces within wind technology. To address this gap, a novel solution emerges in the form of the ducted horizontal-axis helical wind turbine. This innovative design aims to improve airflow dynamics and mitigate adverse forces. Computational fluid dynamics and experimental assessments were employed to evaluate its performance. The results indicate a promising technology, showcasing the turbine’s potential to harness energy from diverse wind sources. The venturi duct aided in the augmentation of the velocity, thereby increasing the maximum energy content of the wind by 179.16%. In addition, 12.16% of the augmented energy was recovered by the turbine. Notably, the integration of a honeycomb structure demonstrated increased revolutions per minute (RPM) by rectifying the flow and reducing the circular wind, suggesting the impact of circular wind components on turbine performance. The absence of the honeycomb structure allows the turbine to encounter more turbulent wind (circular wind), which is the result of the movement of the fan. Strikingly, the downwash velocity of the turbine was observed to be equal to the incoming velocity, suggesting the absence of an axial induction factor and, consequently, no back force on the system. However, limitations persist in the transient modelling and in determining optimal performance across varying wind speeds due to experimental constraints. Despite these challenges, this turbine marks a significant stride in wind technology, highlighting its adaptability and potential for heightened efficiency, particularly at higher speeds. Further refinement and exploration are imperative for broadening the turbine’s application in renewable energy generation. This research emphasizes the turbine’s capacity to adapt to different wind velocities, signaling a promising avenue for more efficient and sustainable energy production.

Keywords: ducted wind turbine; kinetic energy recovery system; computational fluid dynamics; helical wind turbine (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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