The fluids are incompressible and immiscible.
Test bench experiments were performed to produce standing acoustic waves as initial perturbations at the interface between two immiscible liquids.
Unfortunately we know of no gravity current experiments which have used immiscible fluids, so it is not possible to make a direct comparison of these results with experiments.
For immiscible displacements, capillary forces may act to change the structure of such gravity currents owing to retention of fluid in some of the pore spaces.
Smith (1989) investigated the instability of two immiscible fluids of the same viscosity but of different densities in a vertical pipe.
Use of cryoprotectants in combination with immiscible oils for flash cooling macromolecular crystals.
Conversely, they record evidence for entrapment of immiscible silicate melt and hypersaline liquids.
This larger drop is itself suspended in an immiscible fluid.
