Analysis and optimization of power extraction from a concentrated flow savonius turbine

分布式小规模可再生能源生产系统，如建筑安装的风力涡轮机，有可能在电力生产中发挥重要作用。太阳能引领着这场革命，但需要很大的足迹。风力涡轮机是对太阳能的补充，可以在多风的地区带来更高效的电力生产。然而，分布式小型风力涡轮机的声誉受到了影响，因为在没有风的地区或在设计时没有考虑到的建筑屋顶上的安装不当。在本项目中，对专门为建筑物屋顶设计的封闭在扩散器中的风力涡轮机进行了改进。目前，该透平具有较好的功率提取效率，但由于只对少数几个运行参数进行了研究，其效果有限。在目前的研究项目中，将解决两项任务。在第一个任务中，将针对不同的风向和闭合叶片导向器对扩散器进气进行分析和优化。叶片几何形状是任何风力机的关键参数。在第二个任务中，将开发一种优化方法来研究不同的叶片几何形状，并确定将导致最高能量提取的叶片特性。这项工作将作为Paraschivoiu教授在康科迪亚大学的研究小组和行业合作伙伴Le Groupe LML之间的合作进行。

Distributed small scale renewable energy production systems such as building mounted wind turbines have the potential to play a significant role in electricity production. Solar energy is leading this revolution but requires a large footprint. Wind turbines are complementary to solar and can lead to more efficient electricity production in windy areas. Nevertheless, distributed small scale wind turbines have suffered in reputation because of inadequate placement in areas where there is no wind or on building roofs for which they were not designed for. In this project, a wind turbine enclosed in a diffuser, specifically designed for the roof of a building, is improved. Currently this turbine has a good power extraction efficiency but its effectiveness is limited as only a few operating parameters have been studied. In the current research project, two tasks will be tackled. In the first task, the diffuser intake will be analysed and optimized with respect to varying wind directions and closing vane guides. The blade geometry is a key parameter of any wind turbine. In the second task, an optimization approach will be developed to investigate different blade geometries and identify the blade characteristics that will lead to the highest energy extraction. This work will be performed as a collaboration between Prof. Paraschivoiu's research group at Concordia University and the industrial partner Le Groupe LML.