11 citations · 20 across the 5 of their papers we have counts for
5 papers
The effective diffusivity of ordered and freely evolving bubbly suspensions
Aurore Loisy, Aurore Naso, Peter D. M. Spelt
We investigate the dispersion of a passive scalar such as the concentration of a chemical species, or temperature, in homogeneous bubbly suspensions, by determining an effective di…
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…
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…
Interfacial instability of turbulent two-phase stratified flow: Multi-equation turbulent modelling with rapid distortion
L. Ó Náraigh, P. Spelt, O. Matar +1
We investigate the linear stability of a flat interface that separates a liquid layer from a fully-developed turbulent gas flow. In this context, linear-stability analysis involves…
Interfacial instability in turbulent flow over a liquid film in a channel
Lennon Ó Náraigh, Peter Spelt, Omar Matar +1
We revisit here the stability of a deformable interface that separates a fully-developed turbulent gas flow from a thin layer of laminar liquid. Unlike previous work, the turbulent…