水平轴潮流能发电机叶片的桨距角和实度对叶轮启动性能和效率的影响  

THE INFLUENCE OF PITCH ANGLE AND SOLIDITY OF HORIZONTAL AXIS TIDAL CURRENT TURBINE'S BLADE ON TURBINE'S START-UP CAPACITY AND EFFICIENCY

作　　者：吴百公[1] 赵阳[1] 欧贤坤 郭景富[1] 张雪明[1] 朱挽强[1] 

机构地区：[1]东北师范大学,吉林省先进能源开发及应用创新重点实验室,长春130024

出　　处：《太阳能学报》2015年第10期2417-2421,共5页Acta Energiae Solaris Sinica

基　　金：2013年海洋能专项(ZJME2013ZB02);中央高校基本科研业务费专项(09SSXT027)

摘　　要：基于Glauert理论,设计水平轴潮流能发电机的无扭角叶片,计算桨距角和实度与叶片性能的关系。实验研究不同实度、不同桨距角对叶轮启动能力和效率的影响。理论和实验结果均表明:叶轮实度越大,其启动性能越好,叶轮的捕能效率越低。叶片桨距角小于45°时,叶轮启动能力和叶片桨距角的大小正相关,但桨距角超过45°以后叶轮的启动能力会随桨距角的增大而下降。Blades without twisted angle were designed for horizontal tidal current turbine based on Glauert theory. The relationship among the turbine＇ s performance, pitch angle and solidity was calculated. The influence of pitch angle and solidity on the turbine＇ s start-up capability and efficiency was studied through experiment. Both theoretical and experimental results show that the bigger solidity improves the start-up performance and lower the power efficiency. When the pitch angle is smaller than 45°, it is positive correlation to the start-up capability of the blade; whereas, if it is more than 45°, the start-up capacity is reduced correspondingly.

关 键 词：实度 桨距角 启动能力 效率 

分 类 号：TK73[交通运输工程—轮机工程]