What is it about?
This study provides a critical assessment of experimental data from the technical literature and of prediction methods proposed to date for the entrained liquid fraction, which is a key flow parameter in the analysis of gas-liquid annular two-phase flows. These flows are commonplace in evaporators and steam generators, boiling water nuclear reactors, refrigeration and air conditioning units, chemical processing fluid systems, and oil and gas transportation pipelines.
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Why is it important?
By providing the curated experimental databank in full and usable form, this study paves the way to developing more accurate prediction methods for annular two-phase flows, which would then translate into better design methodologies with less stringent safety margins for use in thermal management applications such as fission nuclear reactors, fusion nuclear reactors, power electronics, and high-energy physics particle detectors.
Perspectives
This study aims to encourage further research in the field of gas-liquid annular two-phase flows with the objective of achieving a better fundamental physical understanding of these flows, which in turn would then translate into more accurate design methodologies for final industrial applications.
Andrea Cioncolini
Guangdong Technion-Israel Institute of Technology
Read the Original
This page is a summary of: Liquid entrainment in annular gas–liquid two-phase flow: A critical assessment of experimental data and prediction methods, Physics of Fluids, November 2023, American Institute of Physics,
DOI: 10.1063/5.0174027.
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