Reynolds number effects for non-channelized non-axisymmetric particle-driven gravity currents

Abstract eng:
The purpose of this numerical work is to investigate the influence of the Reynolds number on the evolution of particle-laden gravity currents in a non-channelized non-axisymmetric lock-exchange configuration by means of high-fidelity simulations. Such configurations are largely understudied by comparison to more conventional channelized or axisymmetric lock-exchange configurations, despite the fact that most of gravity currents in nature originate from non-channelized non-axisymmetric configurations. It is found that the Reynolds number has a strong influence on the lobe-and-cleft structures at the head of the current and on the deposition patterns over the flat bed.

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