Effects of coupling on turbulent gas-particle boundary layer flows at borderline volume fractions using kinetic theory
Publish place: Journal of Heat and Mass Transfer Research، Vol: 1، Issue: 1
Publish Year: 1393
Type: Journal paper
Language: English
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Document National Code:
JR_JHMTR-1-1_001
Index date: 14 September 2024
Effects of coupling on turbulent gas-particle boundary layer flows at borderline volume fractions using kinetic theory abstract
This study is concerned with the prediction of particles’ velocity in a dilute turbulent gas-solidboundary layer flow using a fully Eulerian two-fluid model. The closures required for equationsdescribing the particulate phase are derived from the kinetic theory of granular flows. Gas phaseturbulence is modeled by one-equation model and solid phase turbulence by MLH theory. Resultsof one-way and two-way coupled approaches are compared with the available experimental andnumerical results. Results show that one-way coupled approach is more efficient for particulatevelocity prediction in dilute flows. But, if the gas-phase flow characteristics are desired, the twowaycoupled approach should be used. Effects of free stream velocity on the coupling arediscussed.
Effects of coupling on turbulent gas-particle boundary layer flows at borderline volume fractions using kinetic theory Keywords:
Effects of coupling on turbulent gas-particle boundary layer flows at borderline volume fractions using kinetic theory authors
Maziar Dehghan
Mechanical Engineering Department., Amirkabir University of Technology, Tehran, Iran
Hassan Basirat Tabrizi
Mechanical Engineering Department., Amirkabir University of Technology, Tehran, Iran
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