管下端をばね支持された弾性送水管の管内脈動流による空間運動(<小特集>機械系における非線形力学と解析法)

概要

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Spatial behavior of a pipe conveying fluid is examined theoretically and experimentally under the condition that the pipe has an asymmetric spring supported end. The planar motion, nonplanar motion and beating, chaotic phenomena of the pipe vibration exist depending on the frequency of the pulsating flow velocity and the perturbed parameter of the spring coefficient. Furthermore the experiments were conducted with the silicon rubber pipe conveying water. The spatial displacements of the pipe were measured by the image processing system, which was based on the images from two CCD cameras. The typical features of the pipe vibrations, as predicted by the theory, were confirmed qualitatively.
一般社団法人日本機械学会の論文
2007-04-25