振荡浮子式波能装置波浪爬升特性试验

复杂海洋环境下振荡浮子式波能装置与波浪相互作用过程中,浮子迎浪侧会发生波浪爬升等非线性现象,严重时波浪会越过浮子顶部,这对波能装置的发电效率及工作性能产生不利影响.设计并进行了规则波作用下垂荡浮子迎浪侧波浪爬升特性的物理模型试验,探讨了波浪周期、常数PTO(能量摄取,power take-off)阻尼以及不同周期下改变...

Experimental study of wave run-up characteristics of oscillating buoy wave energy device

In the complex marine environment, there are some nonlinear phenomena such as the wave impinge on the front of the oscillationg buoy wave energy device, the wave run-up and overtopping during the interaction between the wave and the oscillating buoy, with negative effects on the safety and the working performance of the wave energy device. In this paper, the physical model tests are designed and conducted to investigate the wave run-up characteristics of the buoy on the wave-facing side, and the effects of the wave period, the value of constant PTO damping and the buoy motion amplitude on the wave run-up are discussed. Studies show that when the wave period is large and the PTO damping is small, it is beneficial to reduce the wave run-up amplitude on the wave-facing side of the buoy. When the wave period is small, the variation of the PTO damping has a very small effect on the wave run-up amplitude, while the run-up values are significantly affected by the amplitude of the heave motion.