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The initiation of a planar fluid plume beneath a rigid lid

Russell, P.S., Forbes, L.K. and Hocking, G.C.ORCID: 0000-0002-5812-6015 (2017) The initiation of a planar fluid plume beneath a rigid lid. Journal of Engineering Mathematics, 106 (1). pp. 107-121.

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The unsteady growth of a viscous fluid plume beneath a rigid upper lid is investigated. Two-dimensional (planar) flow is assumed, through a fissure in the horizontal lower boundary. Initially, the fluid exiting the bottom is assumed to form a semi-circular region, but rises as time progresses, and spreads across the upper boundary. The problem is modelled using Boussinesq theory, and solved using a time-dependent spectral method. These numerical solutions are also compared with the results of a simpler inviscid asymptotic solution. Results are indicated for different input fluid speeds and fissure widths.

Item Type: Journal Article
Murdoch Affiliation: School of Engineering and Information Technology
Publisher: Springer
Copyright: © 2017 Springer International Publishing AG
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