Effect of thermodynamic instability on viscous fingering of binary mixtures in a Hele-Shaw cell

MC Kim, L Palodhi, JS Hong, M Mishra - Journal of Fluid Mechanics, 2023 - cambridge.org
The coupled effects of thermodynamic and hydrodynamic instabilities are studied during
viscous fingering (VF). We introduced a modified Cahn–Hilliard phase-field model in …

Phase separation effects on a partially miscible viscous fingering dynamics

RX Suzuki, Y Nagatsu, M Mishra, T Ban - Journal of Fluid Mechanics, 2020 - cambridge.org
Classical viscous fingering (VF) instability, the formation of finger-like interfacial patterns,
occurs when a less viscous fluid displaces a more viscous one in porous media in …

Effect of Péclet number on miscible rectilinear displacement in a Hele-Shaw cell

S Pramanik, M Mishra - Physical Review E, 2015 - APS
The influence of fluid dispersion on the Saffman-Taylor instability in miscible fluids has been
investigated in both the linear and the nonlinear regimes. The convective characteristic …

Viscous fingering of miscible annular ring

V Sharma, HB Othman, Y Nagatsu… - Journal of Fluid …, 2021 - cambridge.org
Miscible viscous fingering (VF) of the annulus of a more viscous fluid radially displaced by a
less viscous fluid is investigated through both numerical computations and experimental …

Mixed convection instability in a viscosity stratified flow in a vertical channel

PAL Narayana, KC Sahu - Physics of Fluids, 2023 - pubs.aip.org
The present study examines the linear instability characteristics of double-diffusive mixed
convective flow in a vertical channel with viscosity stratification. The viscosity of the fluid is …

[HTML][HTML] Experimental study of miscible viscous fingering with different effective interfacial tension

RX Suzuki, FW Quah, T Ban, M Mishra, Y Nagatsu - AIP Advances, 2020 - pubs.aip.org
Viscous fingering (VF) occurs when a more viscous fluid is displaced by a less viscous one
in porous media or in Hele-Shaw cells. Generally, VF can be divided into two types …

Numerical study of the effect of Péclet number on miscible viscous fingering with effective interfacial tension

YF Deki, Y Nagatsu, M Mishra… - Journal of Fluid …, 2023 - cambridge.org
Viscous fingering or Saffman–Taylor instability shows fingering interfacial patterns when a
more mobile fluid displaces a less mobile one in porous media. The effective interfacial …

Effect of impurities on the onset and growth of gravitational instabilities in a geological CO2 storage process: Linear and nonlinear analyses

MC Kim, KH Song - Chemical Engineering Science, 2017 - Elsevier
Because 75% of the total cost of carbon capture and storage (CCS) arises from the
separation of CO 2 from gas streams (Nsakala et al., 2001), the co-injection of CO 2 and …

Single diffusive magnetohydrodynamic pressure driven miscible displacement flows in a channel

S Sarkar, S Ganguly, M Mishra - Physics of Fluids, 2019 - pubs.aip.org
We investigate the influence of a magnetic field on the single diffusive pressure driven
miscible displacement of a low viscous fluid by a high viscous one in a channel using the …

Fingering pattern induced by spinodal decomposition in hydrodynamically stable displacement in a partially miscible system

RX Suzuki, Y Nagatsu, M Mishra, T Ban - Physical Review Fluids, 2019 - APS
The dynamics of the displacement of one fluid by another in porous media or Hele–Shaw
cells depends on the viscosity contrast due to the Saffman–Taylor instability. If the less …