Numerical simulation in vertical wind axis turbine with pitch controlled blades
Communication avec acte
Wind energy is more and more used as a renewable energy source character. The present wind turbine is a small one which allows to be used on roofs or in gardens to light small areas like publicity boards, parking, roads or for water pumping, heating... The present turbine has a vertical axis. Each turbine blade combines a rotating movement around its own axis and around the main rotor axis. Due to this combination of movements, flow around this turbine is highly unsteady and needs to be modeled by unsteady calculation. One of the main problems of such geometry is to simulate the two combined movements. The present work is an extended study of one’s made in 2009. In the previous study, some results like contours of pressure and velocity fields were presented for elliptic blades for one specific constant rotational speed and benefits of combined rotating blades was shown. The present paper points up the influence of two different blades geometries for different rotational speeds, different blade stagger angles and different Reynolds numbers related to a wider range of wind speeds.
Files in this item
Showing items related by title, author, creator and subject.
Communication avec acteBAYEUL-LAINE, Annie-Claude; SIMONET, Sophie; DOCKTER, Aurore; BOIS, Gérard (2011)Today, wind energy is mainly used to generate electricity and more and more with a renewable energy source character. Power production from wind turbines is affected by several conditions like wind speed, turbine speed, ...
Two-phase numerical study of the flow field formed in water pump sump: influence of air entrainment Article dans une revue avec comité de lectureBAYEUL-LAINE, Annie-Claude; SIMONET, Sophie; BOIS, Gérard; ISSA, Abir (IOP - Institute of Physics, 2012)In a pump sump it is imperative that the amount of non-homogenous flow and entrained air be kept to a minimum. Free air-core vortex occurring at a water-intake pipe is an important problem encountered in hydraulic engineering. ...
Communication avec acteBAYEUL-LAINE, Annie-Claude; SIMONET, Sophie; ISSA, Abir; BOIS, Gérard (2013)Numerous different experimental and numerical methods have been developed and are already improved in order to get rather good flow descriptions inside pump components. These calculations are generally realized assuming ...
Communication avec acteBAYEUL-LAINE, Annie-Claude; SIMONET, Sophie; BOIS, Gérard (2010)Bien que les éoliennes soient une forme très ancienne d’exploitation du vent, ces dernières quarante dernières années ont vu leur évolution et un développement important de leur conception dans le cadre du développement ...
Communication sans acteBAYEUL-LAINE, Annie-Claude; SIMONET, Sophie; BOIS, Gérard (6 th International Conference of Pumps and Fans with compressors and wind turbines, 2013)The present wind turbine is a small one which can be used on roofs or in gardens. This turbine has a vertical axis. Each turbine blade combines a rotating movement around its own axis and around the main rotor axis. Due ...