防蒸发浮球在规则波作用下的运动响应分析

Motion Response Analysis of Anti-evaporation Float Under Wave Action

防蒸发浮球处于水环境中受到波浪的作用,在不同大小的波浪力作用下浮球因自身稳定性差容易发生不规则的运动,将润湿部分的表面暴露在自然环境中,使其蒸发抑制率严重降低。针对这一问题,利用计算仿真工具软件Flow-3D,建立波浪水槽数值模型,首先验证水槽数值模型中规则波的产生及其传播过程,证明模型的有效性;其次模拟了在不同波高和周期波浪下防蒸发浮球的运动,同时讨论了不同波高和周期对浮球运动速度及升沉位移的影响。研究结果表明:该模型能较好地模拟浮球在波浪中的运动过程,随着波高、周期等环境参数的增加,升沉位移也随之增加;波高增大浮体水平、竖直方向速度增大;周期增大浮体水平、竖直方向速度减少。

The anti-evaporation float is subjected to waves in the water environment.Under the action of different wave forces,the float is prone to irregular movement due to its poor stability,and the surface of the wetted part is exposed to the natural environment,which seriously reduces the float.Evaporation inhibition rate.Aiming at this problem,using the computational simulation tool software Flow-3D,the numerical model of the wave trough is established.Firstly,the generation of the regular wave in the numerical model of the sink and its propagation process are verified,and the validity of the model is proved.Secondly,the simulation is carried out under different wave heights and periodic waves.Evaporating the movement of the float,and discussing the effects of different wave heights and periods on the speed of the float and the displacement of the heave.The results show that the model can simulate the movement process of the float in the wave.As the environmental parameters such as wave height and period increase,the heave displacement also increases.The wave height increases the horizontal and vertical speed of the float.Large;the cycle increases the level of the float and decreases the speed in the vertical direction.