波浪频率 meaning in English

frequency of waves

Design procedure of u - shaped anti - rolling tank system is established , and program of scale design for tank is summarized , and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency , the natural frequency of rolling of a ship and other influencing factors , and causes of formation of tank damping and motion state of water in tank are studied , calculation formula of the u - tube tank damping and design method of tank damping configuration are given , and the influence of tank vertical location within the ship on ship parameters , stabilization performance of tank and water motion in tank is studied
建立了完整的u型减摇水舱系统设计程序；总结了u型减摇水舱尺度设计；提出了根据波浪频率变化范围、船舶固有频率变化范围和其它影响因素，选取可控被动式减摇水舱固有频率的新方法；分析了u型减摇水舱阻尼的形成原因，给出了估算水舱阻尼和设计水舱阻尼结构的方法；研究了减摇水舱在船舶中的垂直位置布置对船舶参数、水舱减摇性能和舱内流体运动性能的影响。