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Harvesting high altitude wind energy for energy production : a feasibility study of Magnus’ effect concept

High altitude winds are considered to be, together with solar energy, the most promising renewable energy source in the future. The concepts based on kites or airfoils are already under development. In this paper the concept of transforming high winds into energy by means of the Magnus’ effect is presented, together with corresponding two-dimensional per-module aerodynamic and process dynamics analysis. The concept is based on a rotating airborne cylinder connected to the ground station with a tether cable which is used for mechanical energy transfer. It was originally developed in Omnidea Lda, Portugal and is currently under research in the European FP7-FET project under the acronym HAWE. Performed studies have shown the positive correlation between the wind speed and mechanical energy output. The main conclusion of this work is that the presented concept is feasible for energy production.

Magnus’ effect ; renewable energy sources ; high altitude wind energy ; computational fluid dynamics ; process dynamics ; lift-to-drag coefficient ratio

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