Critical review of vertical gas-liquid slug flow: An insight to better understand flow hydrodynamics' effect on heat and mass transfer characteristics

SG Holagh, WH Ahmed - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Slug flow is a dynamically complex two-phase flow pattern. A wide variety of industrial gas-
liquid systems operate under slug flow conditions for not only flow transportation purposes …

Entrainment in multifluid systems, and rotation induced occurrences

SK Panda, BK Rana, P Kumar - European Journal of Mechanics-B/Fluids, 2022 - Elsevier
Fluid entrainment is a complex and deeply attractive phenomenon that is frequently
encountered in both industry and nature. In general, entrainment deals with the basic …

Mechanism of collision and drainage of liquid droplet around sphere placed within a hollow cylinder

PC Sahoo, JR Senapati, BK Rana - Computers & Fluids, 2024 - Elsevier
It is attempted earnestly to elucidate the mechanism of collision and drainage of liquid mass
around the spherical substrate suspended within the hollow cylinder using Gerris open …

Understanding of head-on coalescence of binary drops onto a cylindrical target

PC Sahoo, JR Senapati, BK Rana - Chemical Engineering Science, 2024 - Elsevier
In this paper, a numerical exercise in understanding the binary head-on collision of equal-
sized vertically aligned drops on the cylindrical substrate is reported. Subsequently, radial …

Characterization of droplet impact dynamics onto a stationary solid torus

PC Sahoo, JR Senapati, BK Rana - Physics of Fluids, 2024 - pubs.aip.org
The im**ement mechanism of a liquid droplet on a solid torus surface is demonstrated
using numerical simulations and an analytical approach. A computational model employing …

Numerical simulation and analytical prediction on the development of entrained air filament caused by the combined effect of rotational field and free stream flow

SK Panda, BK Rana - Industrial & Engineering Chemistry …, 2022 - ACS Publications
In this study, an attempt has been made to characterize the pattern of entrained air filament
inside a liquid bath of high viscosity by employing a fully submerged horizontal rotating solid …

Influence of the immersion ratio of a revolving roller on the film coating and entrainment dynamics

SK Panda, BK Rana - Industrial & Engineering Chemistry …, 2023 - ACS Publications
The present study reports a thorough physical understanding of the film coating and air cusp
entrainment dynamics in a viscous liquid pool caused by a partially immersed revolving …

Characterization of air entrainment using a pair of vertically aligned revolving rollers

SK Panda, BK Rana - Industrial & Engineering Chemistry …, 2023 - ACS Publications
The present study reports the characterization of air entrainment within a viscous liquid pool
using a pair of revolving rollers. The rollers are aligned vertically. The top roller (first roller) is …

Rotational flux influenced cusp entrainment in a viscous pool

SK Panda, BK Rana - Physics of Fluids, 2022 - pubs.aip.org
Evolution of entrained gaseous cusp in a viscous liquid pool caused by a fully immersed
horizontal revolving circular drum is elucidated thoroughly. Finite volume-based open …

Interfacial dynamics around a swirling roller in the presence of oppositely imposed horizontal crossflows

SK Panda, BK Rana - Journal of Fluids Engineering, 2024 - asmedigitalcollection.asme.org
The behavior of interfacial dynamics around a swirling circular drum is reported in the
presence of horizontal crossflows of gaseous phase. A constant submergence ratio of the …