The invention discloses a vibration reduction device and method for fluid resonance in a deep sea FPSO moon pool, and the method comprises the following steps: 1, evaluating the geometric structure and fluid dynamic characteristics of the deep sea FPSO moon pool, the geometric structure comprises the size and shape of the moon pool, and the fluid dynamic characteristics comprise the flow velocity and direction of fluid in a set time period; calculating the resonant frequency of the fluid in the moon pool based on the geometric structure and the fluid dynamic characteristics by adopting a three-dimensional fluid dynamic simulation technology; and 2, based on the fluid dynamics data sample obtained through evaluation, the layout and configuration scheme of vibration reduction equipment is designed, and the vibration reduction equipment comprises at least three vibration reduction units. By accurately evaluating the geometric structure and fluid dynamic characteristics of the moon pool and adopting proper vibration reduction equipment, fluid resonance in the moon pool can be effectively reduced, so that the structural stability and safety of the FPSO are improved. And the resonance phenomenon is reduced, so that the structural fatigue is prevented, and the service life of the FPSO is prolonged.
本申请公开了一种深海FPSO月池内流体共振的减振设备及方法,包括以下步骤:步骤一、评估深海FPSO月池的几何结构及其流体动力学特性,所述几何结构包括月池的尺寸和形状,所述流体动力学特性包括在设定时段内流体的流速和方向,采用三维流体动力学模拟技术,基于所述几何结构和流体动力学特性计算月池内流体的共振频率;步骤二、基于评估所得的流体动力学数据样本,设计减振设备的布局和配置方案,所述减振设备包括至少三个减振单元。通过精确评估月池的几何结构和流体动态特性,并采用适合的减振设备,能有效减少月池内的流体共振,从而提高FPSO的结构稳定性和安全性。减少共振现象有助于防止结构疲劳,延长FPSO的使用寿命。
Vibration reduction equipment and method for fluid resonance in deep sea FPSO moon pool
一种深海FPSO月池内流体共振的减振设备及方法
2024-12-06
Patent
Electronic Resource
Chinese
European Patent Office | 2023
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