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DNS study of near interface turbulence in co-current stratified gas-liquid flow using a VOF approach for different liquid film heights
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DOI:10.1016/j.ijmultiphaseflow.2026.105749.png)
Abstract
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• Detailed DNS study in co-current stratified flow with focus on near interface turbulence. • Solve stratified flow with DNS using second-order finite-volume-based approach. • Turbulence shear production is enhanced while wave amplitude decreases with film height. • Rough wall similitude of gas-liquid interface in stratified flow is not universally valid.
Keywords:
Direct numerical simulation
Near-interface turbulence
Finite volume method
Film height
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