Energy Equipment and Systems

Energy Equipment and Systems

Design and analysis of darrieus vertical axis wind turbines towers

Document Type : Research Paper

Authors
Mojtaba Tahani 1
Amir Mohammad Mohammadi 1
Amin Javanmard 1
Faraz Fotoohi 1
Alireza Ariaeenejad 1
Parsa Yeganeh Moghaddam 2
1 Collage of Interdisciplinary Science and Technologies, University of Tehran, Tehran, Iran
2 Soha Energy, Inc. Ontario, Canada
10.22059/ees.2024.2020049.1452
Abstract
In the present situation and considering the dangers that affect human life and the environment, it is necessary to expand the use of renewable energy that is available in all geographical areas. Environmental pollution caused by urban life has attracted researchers attention to the use of renewable energy such as vertical axis wind turbines (VAWTs) with the aim of urban application. Because of their unique features, these turbines can provide the electricity needed for the targets, but to date, less attention has been paid to their tower structure. A wind turbine tower is one of the main and costliest components of wind systems. In this paper, based on the standards of turbine design and its structure, an algorithm was presented to create more resistance and strength in the tower structure and control the tower's deflection caused by incoming loads. Different models of simple monopole tower, variable cross-section monopole tower, monopole tower with channel beam control, and monopole tower with lateral restraint in the case study of Iran were simulated. Results show that models with lateral restraint have the lowest deflection of about 3 to 5 cm and, in addition to passing all design standards, the members' stress ratio is allowed within the limit.
Keywords
Wind Energy
Darrieus
Monopole Tower
VAWT
Deflection

Subjects

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Energy Equipment and Systems
Volume 12, Issue 3 - Serial Number 3
Summer 2024
Pages 271-283