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DYNAMIC ANALYSIS OF LIQUID SLOSHING FOR SHIPBOARD PRESSURE VESSEL

机译：船上压力容器液体晃动的动态分析

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摘要

With the development of pressure vessel industry in China, more and more pressure vessel is widely used in the aerospace, automobile, marine project and other fields. The liquid sloshing in the device could bring adverse effect on the safety operation of the pressure vessel under the extrinsic excitation, such as the impact load results in the failure of device structure. Thus, dynamic analysis of liquid sloshing for the shipboard pressure vessel is significant. According to the little research on the design criteria and the method of the shipboard pressure vessel, this paper focuses on the research of the transient sloshing of the internal liquid in the shipboard pressure vessel. In this paper, during analyzing the liquid sloshing dynamic of the shipboard pressure vessel, an obvious cycle is got. Considering the operation condition of lateral inclination, longitudinal inclination and heave in the complex marine environment, the liquid sloshing character is obtained and compared through the liquid surface height curve and the wall sloshing pressure curve, which has great influence on the piping layout of the pressure vessel. Moreover, it is beneficial to restrain sloshing through installing baffle inside the pressure vessel. This may provide a project reference to liquid sloshing design of the shipboard pressure vessel.
机译：随着中国压力容器行业的发展，越来越多的压力容器广泛应用于航空航天，汽车，海洋项目等领域。装置中的液体晃动可以对外在激发下的压力容器的安全操作带来不利影响，例如冲击载荷导致器件结构的失效。因此，船上压力容器的液体晃动的动态分析显着。据上的设计标准的研究很少和船上压力容器的方法，本文的重点在船上压力容器内部液体的瞬时晃动的研究。在本文中，在分析船上压力容器的液体晃动动态期间，得到了明显的循环。考虑到横向倾角，纵向倾斜和升降的操作条件，在复杂的船上环境中，通过液体表面高度曲线和壁晃动压力曲线获得并将液体晃动特征进行比较，这对压力的管道布局产生了很大的影响血管。此外，通过在压力容器内部安装挡板来抑制晃动是有益的。这可以为船上压力容器的液体晃动设计提供项目参考。

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