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.
