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Fluid-structure interaction (FSI) in vibrating pipe systems is a phenomenon that finds its source, among other mechanisms, in unbalanced pressure forces acting on loose elbows. The subject has received considerable attention in theoretical research and practical engineering. Sixteen laboratory experiments carried out on liquid-filled single-elbow (L-shaped) pipe systems are reviewed herein. Eight frequency-domain and eight time-domain experiments are concisely described in the Appendices A and B. The purpose of nearly all experiments was to study FSI and demonstrate the influence of moving elbows on the dynamic behavior of liquid-filled piping systems. This historical review has an educational character with regard to the execution of laboratory experiments featuring FSI.概要振动的管道中的流固耦合现象来源于作用于松散弯管头上的不平衡压力。这一现象在理论研究和实际工程应用中均引起了广泛的关注。本文回顾了16 个实验室所开展的基于充液单弯管(L 形管)系统的流固耦合实验。附录A 和B 分别概述了八个频域实验和八个时域实验。几乎所有的实验都旨在研究充液管道系统中的流固耦合作用以及移动弯头对系统动力学行为的影响。本文的历史回顾对表征流固耦合作用的实验具有指导意义。

An overview of fluid-structure interaction experiments in single-elbow pipe systems