Critical Froude number for transition from a steady to an unsteady fountain injected into a homogeneous fluid
Conference Publication ResearchOnline@JCUSrinarayana, N.;Armfield, S.W.;Behnia, M.;Lin, Wenxian
Abstract
In this paper, we present the critical Froude number for unsteadiness at full development of plane fountains. Numerical investigations are conducted over the range of Reynolds number, 6 <= Re <= 120. The critical Froude number for transition from a steady to unsteady flow varies with the Reynolds number. For Re >= 60, the transition is independent of Re and is nearly constant at a Froude number of Fr ~ 1.0. Over the range 6 < Re <= 50, there is a significant increase in the transition Froude number.
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17th Australasian Fluid Mechanics Conference
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978-0-86869-129-9
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3
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Auckland, New Zealand
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University of Auckland, New Zealand
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Auckland, New Zealand
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