Numerical analysis of slug flow boiling in square microchannels
Boiling heat transfer in micro-geometries has been studied extensively in the recent years as
an efficient heat removal mechanism. Numerical simulations have been traditionally …
an efficient heat removal mechanism. Numerical simulations have been traditionally …
Two-phase flow and morphology of the gas–liquid interface for bubbles or droplets in different microchannels
C Chen, Z Jing, C Feng, X Zou, M Qiao, D Xu… - Physics of …, 2023 - pubs.aip.org
Two-phase interface fluid, bubble or droplet, has shown broad application potential in oil
and gas field development, contaminated soil remediation, and medical treatment. These …
and gas field development, contaminated soil remediation, and medical treatment. These …
Numerical study of the impact of the channel shape on microchannel boiling heat transfer
Flow boiling in multi-microchannel evaporators is recognised as one of the most efficient
cooling solutions for high-performance electronics, and has therefore received increasing …
cooling solutions for high-performance electronics, and has therefore received increasing …
Liquid film distribution around long gas bubbles propagating in rectangular capillaries
We present a systematic analysis of the bubble and liquid film dynamics corresponding to
the propagation of long, isolated gas bubbles, within rectangular capillary channels of cross …
the propagation of long, isolated gas bubbles, within rectangular capillary channels of cross …
Three-dimensional VOF-DEM model for simulating particle dynamics in the liquid slugs of a vertical gas–liquid–solid Taylor flow microreactor
It proves challenging to analyze the particle dynamics experimentally, particularly in a
multiphase microreactor. A numerical model based on volume of fluid (VOF) coupled with …
multiphase microreactor. A numerical model based on volume of fluid (VOF) coupled with …
Motion of a confined bubble in a shear-thinning liquid
The motion of a gaseous Taylor bubble in a capillary tube is typical of many biological and
engineering systems, such as small-scale reactors and microfluidic devices. Although the …
engineering systems, such as small-scale reactors and microfluidic devices. Although the …
Viscous Taylor droplets in axisymmetric and planar tubes: from Bretherton's theory to empirical models
The aim of this study is to derive accurate models for quantities characterizing the dynamics
of droplets of non-vanishing viscosity in capillaries. In particular, we propose models for the …
of droplets of non-vanishing viscosity in capillaries. In particular, we propose models for the …
Volume oscillations slow down a rising Taylor bubble
G Zhou, A Prosperetti - Journal of Fluid Mechanics, 2024 - cambridge.org
A gas volume rising in a vertical tube is called a Taylor bubble when its equivalent spherical
diameter is greater than the diameter of the tube. Continuity dictates that the rising velocity of …
diameter is greater than the diameter of the tube. Continuity dictates that the rising velocity of …
Mechanistic modeling of flow and heat transfer in vertical upward two-phase slug flows
Two-phase slug flow exhibits intrinsically stochastic and statistically periodic flow behaviors.
Understanding the mechanisms of flow and heat transfer of upward two-phase slug flow is …
Understanding the mechanisms of flow and heat transfer of upward two-phase slug flow is …
Effect of surfactant on elongated bubbles in capillary tubes at high Reynolds number
The effect of surfactants on the tail and film dynamics of elongated gas bubbles propagating
through circular capillary tubes is investigated by means of an extensive three-dimensional …
through circular capillary tubes is investigated by means of an extensive three-dimensional …