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Influence of anchors on transient cavitating flow in pipes
Rappakkaran Cherian Miji,Neelakantan Sajikumar,Kottekat Surendran Sumam 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.2
The influence of anchors on transient cavitating flow was not dealt with in detail, though there are limited studies on the effect of support on water hammer. This paper presents an experimental investigation into the influence of spacing of fixed anchors on the cavitation pressure generated in transient cavitating flows. The change in the fluid characteristics was studied along with the change in vibration of piping system. The study reveals that the occurrence of cavitation and resulting cavitation pressure are extremely influenced by the spacing of fixed anchors. As the spacing of fixed anchors is reduced; the cavitation pressure during a transient cavitating event increases severely without any change in other flow conditions while the acceleration induced on the pipe gets decreased drastically. Hence, the spacing of anchors in any piping system should be decided by balancing the lateral acceleration of the piping system and the pressure rise due to cavitation.