摘要
为解决海洋波浪能和潮流能耦合利用的问题,提升浪流发电装置的发电效率,上海海洋大学课题组设计了一种新型涵道双向泵叶轮浪流发电装置。主要对轴流泵的工作原理进行理论分析,阐述将轴流泵排水原理应用于浪流发电装置捕获浪流能的可行性,基于轴流泵叶片设计原理,设计出一种可以双向捕获浪流能的叶片。经数据仿真和水槽实验进行验证,得出涵道双向泵叶轮浪流发电装置可以在浪流流速v=0.5 m/s工况下浪即可启动,满足低流速启动要求,发电效率最高为23.7%。
A new type of Wave-flow Generation Device with a ducted bidirectional pump impeller is constructed based on the design principle of the axial-flow pump.In this study,the working principle of the axial-flow pump is analyzed and the back-stepping approach is used to design the device.A comparison with data from theoretical calculations,a numerical simulation,and tank experiments relating to the device shows the power generation efficiency of the device in different working conditions.Results show that the device can be started at a flow rate of0.5m/s,its output power is close to rated power at a flow rate of1.8m/s,and its energy conversion rate is at its highest of up to23.7%when the working flow rate is below1.8m/s.However,when the working flow rate exceeds1.8m/s,the energy conversion rate begins to decline because the increase in the tail flow field strongly increases the reversal force to the pump impeller.
作者
王世明
吴帅桥
田卡
白连平
WANG Shi-ming;WU Shuai-qiao;TIAN Ka;BAI Lian-ping(College of Engineering Science & Technology, Shanghai Ocean University, Shanghai 201306, China;College of Automation, Beijing Information Science & Technology University, Beijing 100192, China)
出处
《海洋科学》
CAS
CSCD
北大核心
2017年第2期29-34,共6页
Marine Sciences
基金
国家海洋局2013年海洋可再生能源专项(SHME2013JS01)
上海市2014年优秀技术带头人计划项目(14XD1424300)
上海教委产学研项目(15cxy29)
上海海洋大学青年基金(A1-2035-15-002124)~~
关键词
轴流泵
浪流能
海洋能
Fluent仿真
真水槽实验
axial-flow pump
wave-flow energy
ocean energy
fluent simulation
tank experiment
