New Blade Profile of VAWT: Experimental and Analysis to Introduce It in Urban Cites

Abstract

The use of wind turbines for small-scale and urban applications is a topic that is receiving increasing attention. The use of wind turbines for small-scale and urban applications is a topic that is receiving increasing attention. This work concerns the Savonius rotor. It is divided into three parts. The first one consists in an original experiment which has led to the direct measurement of the pressure field on the blades of a rotating Savonius rotor. In the second part, the results are introduced in a generalized model to calculate the efforts which generate the vibrations at the rotor supports. This study explains well the vibratory behaviour of the rotor. Finally, in a third part an experiment analysis of an adequate system of a suspension to stabilise or avoid these vibrations is proposed. This study explains clearly the vibratory behaviour of the rotor.

Vibration damping of a vertical axis wind turbine in operating conditions

“…In light of this, methods to decrease the transmission of vibrations between the turbine and the buildings may lead to a widespread use of VAWT in urban environment keeping a high level of comfort for the occupants. In [5], basing on laboratory tests, the source of the vibration of a Savonius rotor VAWT has been identified and a suspension system to stabilise or avoid these vibrations is shown.…”