Efficiency Investigation of Savonius wind turbines: A systematic Review of Performance Enhancement and Conceptual Framework

Seeking new ways to harness wind power, this study focuses on Savonius wind turbines, recognized for their versatility in various environments. Employing a systematic approach grounded in the PRISMA method, this paper thoroughly examined the wealth of existing studies on these turbines. This study distilled insights into design enhancements and operational advancements from 46 peer-reviewed articles from renowned databases, including ScienceDirect, Web of Science, and Scopus. The investigation was structured around five principal themes, “Blade Structure Modifications, Conceptual Design, Elliptical, Helical, and Twisting”, each reflecting pivotal areas for potential improvements in turbine performance. This review approaches the field at an interesting juncture, revealing important avenues for future work. It promotes more hands on design testing and highlights the need for validating these advancements in real-life situations, paving the way for progress in renewable energy technologies.