Entrainment and mixing in lock-exchange gravity currents using simultaneous velocity-density measurements
S Balasubramanian, Q Zhong - Physics of Fluids, 2018 - pubs.aip.org
Gravity currents modify their flow characteristics by entraining ambient fluid, which depends
on a variety of governing parameters such as the initial density, Δρ, the total initial height of
the fluid, H, and the slope of the terrain, α, from where it is released. It is imperative to study
the entrainment dynamics of a gravity current in order to have a clear understanding of
mixing transitions that govern the flow physics, the velocity mixing layer thickness, δ u, and
the density mixing layer thickness, δ ρ. Experiments were conducted in a lock-exchange …
on a variety of governing parameters such as the initial density, Δρ, the total initial height of
the fluid, H, and the slope of the terrain, α, from where it is released. It is imperative to study
the entrainment dynamics of a gravity current in order to have a clear understanding of
mixing transitions that govern the flow physics, the velocity mixing layer thickness, δ u, and
the density mixing layer thickness, δ ρ. Experiments were conducted in a lock-exchange …
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