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在潮差大的海区,为了最大限度利用空气动能,获得最高转换效率,波能发电装置应适应潮位变化,使装置始终保持最佳吃水状态。本文介绍一种波能发电装置随潮位变化而自动升降的控制方法,这种方法的特点是在汹涛海面上简便地建立了静水面,以便进行压力控制,经试验研究,只要采用两根直径不同的、上粗下细对接起来的圆管,当其截面积比在256:1以上时,内波高即可衰减到外波高的2.6%以下(相对系统设计波况及吃水情况下),可以满足一般海洋工程的精度要求.本方法对其它有关领域也可引以借鉴。
In the tidal range of the sea, in order to maximize the use of aerodynamic energy, to obtain the highest conversion efficiency, wave energy generating device should adapt to changes in tide, the device always maintain the best draft. In this paper, a method of automatic control of wave power generation device with the change of tide level is introduced. This method is characterized by the simple establishment of a hydrostatic surface on the sea surface in order to carry out pressure control. As long as the two diameters Different tubes that are butt-jointed together are roughly 2.6% below the outer wave height (relative to the system design condition and draft) when the cross-sectional area ratio is above 256: 1. Meet the accuracy requirements of general offshore engineering. This method can also be used for reference in other related fields.