Abstract
Film Thickness and Pressure Drop for Gas-Liquid Taylor Flow in Microchannels
Highlights
Micro-structured mechanical systems are increasingly emerging in compact industrial applications
Such flows remain in the laminar flow regime due to predominant viscous and surface tension forces in them, which simplifies the numerical simulations by omitting the need for turbulence modelling
In Taylor flow, the void fraction is defined as the fraction of the channel volume that is occupied by the gas phase
Summary
Micro-structured mechanical systems are increasingly emerging in compact industrial applications. The void fraction can be obtained as a function of the distribution parameter and gas volumetric flow rate, for a horizontal configuration, where the drift velocity is. The void fraction and the pressure drop of gasliquid flow in microchannels were measured by Kurimoto et al [23] Their data were compared to those provided by [24]-[26], resulting in a more reliable distribution parameter for predicting void fraction. The lengths remained constant through the channels in a fully developed gas-liquid flow, which have been taken into account by investigators, such as [34]-[38]. The gas bubble profile, nose and tail curvatures, liquid film thickness, liquid slug lengths, gas bubble lengths, and steady or flat film thickness are predicted throughout the computational domain to capture interface and transport phenomena.
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