【摘要】 对液固耦合内流问题以及液体晃动特性的研究在宇航工程中有着十分重要的意义，大型液体运载火箭以及战略弹道导弹中的推进剂与储箱的藕合效应和推进刑的晃动特性对它们的飞行动力稳定性有着很大的影响。为了使导弹和航天运载器具有良好的飞行稳定性，就必须对其内部液体推进剂的晃动加以抑制，避免使液体的晃动与整体结构的固有振动发生耦合，防止结构的固有振动频率和液体的晃动频率落入控制系统的频带之中。本文概述了近年来在液固耦合作用以及在推进剂防晃研究方面所取得的进展。更多还原

【Abstract】 Researches on properties of the liquid sloshing and coupling effects of the liquid are very important in aeronautics and astronautics engineering.The interaction between the fuel and the tank and the dynamic behavior of the liquid sloshing have much effects on the dynamic stability of the liquid-filled space vehicle and the strategic ballistic missile. The sloshing of the propellant fuel have to be suppressed to avoid the coupling between the liquid sloshing and the structure vibration. The sloshing frequency and the natural frequency of the structures structures must be kept out of the frequency bandwidth of the rocket control systems. In this paper the developments achieved in the fields of liquid-solid coupling and slosh suppression are presented.更多还原