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Multiphase Flows

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Multiphase flows occur in a variety of natural and engineered systems, such as dust storms in the atmospheric boundary layer (solid-gas mixture), spray atomization of liquid fuel in an air environment (liquid-gas), and emulsions of oil and water (liquid-liquid). Recent work in our group has used high-fidelity simulations of particle-laden turbulent channel flow to study the effect of different particle parameters on momentum and energy transport. In addition, multiphysics interactions between particles, turbulence, and radiation have been studied, with applications to concentrating solar energy, as part of the PSAAP-II center at Stanford.

Simulation of particle-laden channel flow subjected to radiation heating

Simulation schematic of radiatively heated particle-laden channel flow, showing the particle distributions in a x-y plane, colored by particle temperature.