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physics.flu-dyn2012
Absolute linear instability in laminar and turbulent gas/liquid two-layer channel flow
Lennon O. Naraigh, Peter D. M. Spelt, Stephen J. Shaw
We study two-phase stratified flow where the bottom layer is a thin laminar liquid and the upper layer is a fully-developed gas flow. The gas flow can be laminar or turbulent. To d…
physics.flu-dyn2012★ 8 cited
An analytical connection between temporal and spatio-temporal growth rates in linear stability analysis
Lennon O Naraigh, Peter D. M. Spelt
We derive an exact formula for the complex frequency in spatio-temporal stability analysis that is valid for arbitrary complex wave numbers. The usefulness of the formula lies in t…