Review Article

Evolution and Progress in the Development of Savonius Wind Turbine Rotor Blades Profiles and Shapes

[+] Author and Article Information
Nur Alom

Trainee Teacher, Department of Mechanical Engineering, National Institute of Technology Meghalaya, Shillong - 793003, India

Ujjwal K. Saha

Professor, Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati - 781039, India

1Corresponding author.

ASME doi:10.1115/1.4041848 History: Received July 21, 2018; Revised October 13, 2018


The blade profiles and blade shapes of vertical-axis Savonius wind turbine rotors have undergone a series of changes over the past three decades. Wind turbine aerodynamicists have carried out numerous computational and experimental research to arrive at a suitable rotor blade design configuration so as to harvest maximum energy from the available wind. In most of the studies, the geometric and aerodynamic aspects of the rotor blade design have been reported. Interestingly enough, a couple of review papers got published in the area of Savonius rotors during last one decade. However, there is not a single piece of literature that gives a comprehensive and a systematic review of Savonius rotor blade profiles and shapes. This paper aims to collate all the research findings related to these blade profiles/shapes and makes an attempt to highlight their features together with future recommendations.

Copyright (c) 2018 by ASME
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