项目名称: 竖轴叶轮变偏角运动机理与性能研究
项目编号: No.51309068
项目类型: 青年科学基金项目
立项/批准年度: 2014
项目学科: 水利工程
项目作者: 姜劲
作者单位: 金陵科技学院
项目金额: 24万元
中文摘要: 针对风能与潮流能竖轴轮机大型化过程中叶片变偏角技术趋势,本项目提出理想全可控变偏角叶轮偏角运动机理与轮机性能研究问题。通过理论分析、数值计算与模型试验的手段,探索和研究该类轮机变偏角运动的流体工作特性以及控制机构形式。通过建立该问题的流体动力分析与性能优化的解析与数值方法,找到达到极限能量利用率下及其他不同设计目标下的叶片偏角运动规律,同时在原有轮机基础上,改造一台全可控偏角的轮机进行试验验证,这对于提升我国自行研制的竖轴风能、潮流能技术水平具有重要意义
中文关键词: 潮流能;垂直轴;变偏角;最优化;
英文摘要: According to the technological trend of variable pitch turbine during the large scale process of a vertical-axis turbine in exploitating wind and tidal energy, this project puts forward the principle and fluid performance of a fully pitch controllable turbine.Through theory analysis, numerical method and model testing, the project searches and studies the fluid character and mechanism form of this kind of turbine, aiming at finding the declination angle rule under the max power coefficient and other design goals,and then manufactures the fully pitch controllable turbine based on the existing one and validates the results,which has important significance in improving domestic vertical-axis marine and tidal turbines.
英文关键词: tidal current energy;vertial axis;variable pitch;optimazation;