Development of gravity currents on slopes under different interfacial instability conditions
Journal of Fluid Mechanics, 2019•cambridge.org
… We present experimental results on the development of gravity currents moving onto
sloping boundaries with slope angles θ = 7◦, 10◦ and 15◦. Different regimes of flow
development are observed depending on the slope angle and on the initial velocity and
density profiles, characterized by the Richardson number Ji =δig0 /u2 … The link between
the upper and the lower part of the gravity current in the D2 configuration is evident in figure
2: we observe that the normalized Reynolds stress uw /U2, at the interface and at the bottom …
sloping boundaries with slope angles θ = 7◦, 10◦ and 15◦. Different regimes of flow
development are observed depending on the slope angle and on the initial velocity and
density profiles, characterized by the Richardson number Ji =δig0 /u2 … The link between
the upper and the lower part of the gravity current in the D2 configuration is evident in figure
2: we observe that the normalized Reynolds stress uw /U2, at the interface and at the bottom …
We present experimental results on the development of gravity currents moving onto sloping boundaries with slope angles that is commonly assumed for downslope currents.
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