Abstract
The main function of the gearless transmission system is to transmit power between two shafts through the sliding links that develop revolute pair between the hubs of two shaft. Normally the output link is bent at any angle between 0 and 180°. Moreover, as the hub in the driving shaft rotates, holes in this hub rotate, which in turn pushes the links and it drive the output. Moreover, torque developed in the small wind turbine is small so it is effectively used in this low torque applications. The objective of this project is to analysis gearless drive that is being simple and transmitting power preciously at almost right angle without any bevel gears. This mechanism is completely analysis using Ansys© software to lookout the elbow rod the hub under different working condition. Numerical analysis is made by rotating the mechanism at different rpm, viz. 0–150 rpm. Reaction forces and reaction moment are analyzed for 5 s simulation and compared with allowable stress. In this investigation, the effect of number of links and size of link is studied to find the permissible operating speed of mechanism. The major outcome of this work is to get the permissible limit of the stress, strain, speed, torque transmitting capacity of this mechanism as it is very much attracting the research community in replacing the conventional bevel gears. It is observed that the optimum number of link for better transmission is 8 and its diameter is 8 mm, and optimum speed of the mechanism is 100 rpm, so this mechanism is suitable for the small wind turbine.
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Acknowledgements
This research work is supported, in part by the Ministry of New and Renewable Energy, Government of India, New Delhi, India, vide Grant No. 24/6/2014-SWES(R&D) dated: 30/12/2014, and the authors also gratefully acknowledge the support of Dr. Rajesh Katyal, Mr, Haribhaskaran, Mr. David Solomon and Ms. Deepa Kurup. The authors are also grateful to Dr. Uppu Ramachandraiah, HoD (EIE), HITS, for providing valuable suggestions.
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Premkumar, M.T., Hariram, V., Seralathan, S., Kumar, P., John, G. (2021). Design and Numerical Analysis of Gearless Transmission Used in Small Wind Turbine. In: Akinlabi, E., Ramkumar, P., Selvaraj, M. (eds) Trends in Mechanical and Biomedical Design. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4488-0_44
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DOI: https://doi.org/10.1007/978-981-15-4488-0_44
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