3.7. Motivation for a New Methodology
This paper envisages the development of new blade profiles to overcome the natural
inability of the VAWT to self-start, without compromising much of the performance at high
TSR. Several models have been developed to predict the Darrieus VAWT performance
when its blades are moving, but no model addresses the study of the turbine ability to self-
start relying only on the blades form. Hence, the new methodology presented in this paper
offers a fast-computational tool for the development of new blade profiles for Darrieus
VAWT, capable of being integrated with existing tools or capable of being used as a
standalone tool. The new methodology is presented hereafter.
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