Instabilities in viscosity-stratified flow
R Govindarajan, KC Sahu - Annual review of fluid mechanics, 2014 - annualreviews.org
This review highlights the profound and unexpected ways in which viscosity varying in
space and time can affect flow. The most striking manifestations are through alterations of …
space and time can affect flow. The most striking manifestations are through alterations of …
The fluid mechanics of cleaning and decontamination of surfaces
The removal of unwanted entities or soiling material from surfaces is an essential operation
in many personal, industrial, societal, and environmental applications. The use of liquid …
in many personal, industrial, societal, and environmental applications. The use of liquid …
Linear stability analysis and numerical simulation of miscible two-layer channel flow
The stability of miscible two-fluid flow in a horizontal channel is examined. The flow
dynamics are governed by the continuity and Navier–Stokes equations coupled to a …
dynamics are governed by the continuity and Navier–Stokes equations coupled to a …
Miscible displacement flows in near-horizontal ducts at low Atwood number
We study buoyant displacement flows with two miscible fluids of equal viscosity in the
regime of low Atwood number and in ducts that are inclined close to horizontal. Using a …
regime of low Atwood number and in ducts that are inclined close to horizontal. Using a …
A study of pressure-driven displacement flow of two immiscible liquids using a multiphase lattice Boltzmann approach
The pressure-driven displacement of two immiscible fluids in an inclined channel in the
presence of viscosity and density gradients is investigated using a multiphase lattice …
presence of viscosity and density gradients is investigated using a multiphase lattice …
Viscosity effects in density-stable miscible displacement flows: Experiments and simulations
A Etrati, IA Frigaard - Physics of Fluids, 2018 - pubs.aip.org
We study characteristics of miscible displacement flows in inclined pipes with density-stable
configuration, meaning the lighter fluid is pumped to displace the heavier fluid downward …
configuration, meaning the lighter fluid is pumped to displace the heavier fluid downward …
Analytical and variational numerical methods for unstable miscible displacement flows in porous media
The miscible displacement of one fluid by another in a porous medium has received
considerable attention in subsurface, environmental and petroleum engineering …
considerable attention in subsurface, environmental and petroleum engineering …
An experimental study of low-Reynolds-number exchange flow of two Newtonian fluids in a vertical pipe
We present an experimental study of a buoyancy-driven, low-Reynolds-number (Re< 1)
exchange flow of two Newtonian fluids in a vertical cylindrical pipe (length 1 m and diameter …
exchange flow of two Newtonian fluids in a vertical cylindrical pipe (length 1 m and diameter …
Pressure-driven miscible two-fluid channel flow with density gradients
We study the effect of buoyancy on pressure-driven flow of two miscible fluids in inclined
channels via direct numerical simulations. The flow dynamics are governed by the continuity …
channels via direct numerical simulations. The flow dynamics are governed by the continuity …
Flow patterns and dynamic mechanisms of immiscible fluids in cross junctions with different aspect ratios
X Wang, Y Ma, C Zhang, Y Pang, Z Liu - Experimental Thermal and Fluid …, 2023 - Elsevier
The flow patterns of immiscible liquids in microscale cross junctions are experimentally
studied and the influencing factors including the capillary number (3× 10− 4–6× 10− 1), flow …
studied and the influencing factors including the capillary number (3× 10− 4–6× 10− 1), flow …