Abstract
Flow driven through a segment of flexible tube, supported between rigid pipes and enclosed in a pressurized chamber, is susceptible to a variety of self-excited oscillations. This paper provides a brief review of recent modelling efforts aimed at understanding some of the underlying mechanisms of instability in this system. In particular, it is shown how a family of spatially one-, two- and three-dimensional models have been used to investigate a global instability arising at high frequencies, whereby axial sloshing motions driven by transverse wall oscillations are able to sustain themselves by extracting kinetic energy from the underlying mean flow.
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Jensen, O.E. (2013). Instabilities of Flows through Deformable Tubes and Channels. In: Denier, J., Finn, M. (eds) Mechanics Down Under. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5968-8_7
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DOI: https://doi.org/10.1007/978-94-007-5968-8_7
Publisher Name: Springer, Dordrecht
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