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Design and optimization of Diffuser-Augmented wind turbines

Leloudas Stavros

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Summary

The concept of diffuser-augmented or shrouded wind turbines represents an attractive and highly versatile energy solution that has the potential to achieve power performance coefficients exceeding the Betz limit, and thus to improve the economic feasibility of renewable energy production under poor wind conditions, such as those prevailing within the urban environment. In that regard, shrouded wind turbines could eventually enable significant opportunities for more geographic dispersion of wind technology applications, growth in distributed energy deployments, and further expansion of renewable energy utilization on a global scale, contributing to the so-called energy transition. However, the achievement of widely adopted implementations and the consolidation of this promising technological application in the renewable energy market call for highly efficient and economically sustainable designs. Against this background, the present doctoral dissertation aims towards the development and validation of effective computational tools and numerical methodologies for, but not restricted to, the aerodynamic analysis, performance prediction, and design optimization of shrouded wind turbines.

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