首页    期刊浏览 2025年07月11日 星期五
登录注册

文章基本信息

  • 标题:A novel vortex-assisted generation system for hydrokinetic energy harvesting from slow water currents
  • 本地全文:下载
  • 作者:Ulugbek Azimov ; Jack Callaghan ; Iman Frozanpoor
  • 期刊名称:International Journal of Energy and Environment
  • 印刷版ISSN:2076-2895
  • 电子版ISSN:2076-2909
  • 出版年度:2018
  • 卷号:9
  • 期号:4
  • 页码:1-36
  • 出版社:International Energy and Environment Foundation (IEEF)
  • 摘要:A novel system has been developed that harnesses the phenomena of vortex-induced vibrations (VIV) from a slow current (<0.5 m/s) of water to generate renewable hydrokinetic energy. It utilizes a single degreeof-freedom pivoting cylinder mechanism coupled with an electromagnetic induction generator. As a result of observation and concept development, the final prototype includes a stationary cylindrical shedder upstream of the oscillator. The system is referred to as ‘Vortex Assisted Generation’ (V.A.G.) throughout the report. Given the novelty of the system, an extensive investigation has been conducted to identify key parameters and functional relationships between system variables, regarding their effect on output voltage, frequency, and power. A range of flow velocities have been established that instigate system lock-in, where the cylinder oscillates at high amplitude and frequency. For the tested prototype up to 37% of system extraction efficiency has been achieved in the lab conditions.
  • 关键词:Vortex;induced;vibrations; Hydrokinetic energy; Slow current flow; Oscillating bluff body; Fluid;structure interaction;
国家哲学社会科学文献中心版权所有