Rimming flow in a rotating horizontal cylinder with phase change at the interface

TC Kumawat, N Tiwari - Physics of Fluids, 2023 - pubs.aip.org
The two-dimensional solutions and stability analysis are presented for an evaporating thin
viscous liquid film flowing inside a uniformly heated rotating horizontal cylinder. A non …

Thin film dynamics using lattice Boltzmann method: Role of aspect ratio and surface wettability gradient

G Singh, N Tiwari - Physics of Fluids, 2022 - pubs.aip.org
This study investigates the possibility of solving film problems using the phase-field lattice
Boltzmann method (LBM). The mesoscopic nature of fluid interface makes the lattice …

A computational fluid dynamics study on rimming flow in a rotating cylinder

H Sadeghi, L Diosady, B Blais - Physics of Fluids, 2022 - pubs.aip.org
Extensive computational fluid dynamics (CFD) simulations were conducted to study
“rimming” flow in a partially filled horizontally rotating cylinder. These flows are encountered …

Gravity-driven thermoviscous liquid film down a heated or cooled vertical cylinder

S Khanum, N Tiwari - Physical Review Fluids, 2020 - APS
Stability analysis of gravity-driven flow of a thermoviscous liquid on the exterior surface of a
uniformly heated or cooled vertical cylinder is presented. The film evolution model derived …

Thermocapillary instabilities of liquid layers on an inclined plane

CY Yan, KX Hu, QS Chen - Physics of Fluids, 2018 - pubs.aip.org
The thermocapillary instabilities of the liquid layers on an inclined plane with zero heat flux
are examined by linear stability analysis. There is an angle between the gravity and the …

Thin film flow inside a uniformly heated/cooled inclined rotating cylinder

TC Kumawat - Physics of Fluids, 2024 - pubs.aip.org
The present study investigates the flow of a thin film inside a uniformly heated/cooled
cylinder rotating at various inclinations. The governing equations for mass, momentum, and …

Stability of traveling waves of a thermoviscous liquid film down the outer surface of a cylinder

G Singh, N Tiwari - Physical Review Fluids, 2024 - APS
A liquid film coating a cylindrical substrate is unstable to interfacial disturbances governed
by Rayleigh-plateau instability. These initial disturbances grow in time and, beyond …

Thick film flowing down a non-isothermal vertical cylinder

D Kishal, N Tiwari - Journal of Engineering Mathematics, 2022 - Springer
A thick film flow on a non-isothermal vertical cylinder due to gravity is analyzed for temporal
and spatiotemporal stability. The model equation is derived by neglecting inertial terms and …

Transient growth in thermocapillary liquid layers

KX Hu, S Zheng, QS Chen - Physical Review Fluids, 2020 - APS
The transient growth in thermocapillary liquid layers is examined by nonmodal stability
theory. Two kinds of thermocapillary liquid layers including linear flow and return flow are …

Analysis on annular flow of liquid transported through a partially filled axially rotating pipe

D Kim, HS Shim, G Ryu, J Kim, J Lee - European Journal of Mechanics-B …, 2022 - Elsevier
In rotary tube reactors, rotary evaporators, or rotary atomizers, liquid is transported through a
partially filled axially rotating pipe. The flow is annular when the pipe rotation is fast enough …