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| CFD Investigations Complicated, real-world geometries:
Surfaces from IGES,VDA,or STL files. Numerous flow conditions:
Large models with lots of details.
Large & small length scales in the same model.
Moving & interacting pieces.
Topological changes within one simulation.
Gases & liquids. Various timing requirements:
Newtonian & non-Newtonian fluids.
Laminar & turbulent (K-epsilon, RSM, RNG) flows.
Subsonic & supersonic flows.
External & internal flows.
Steady state. Combinations of boundary conditions:
Time dependent boundary conditions.
Systems with multiple moving components.
Periodically forced flows.
Rotating regions, Multiple Rotating Frames.
Velocity. Variety of additional physics:
Walls with fixed temperature or heat transfer rate.
Von Neumann condition.
Conjugate heat transfer. Additional complexities:
Liquid sprays into a gas with evaporation.
Wall film creation, movement, and evaporation.
Combustion, including heat release rates and emissions.
Software tools that interlink multiple software packages.
Specific Areas of Expertise
Air flow in internal combustion engines:
Intake systems, including internal EGR effects. Fuel, oil, blood, and water systems:
Port optimization (intake, exhaust, swirl ports).
Design of effective flow meters.
Mixing of fresh air with exhaust gases.
In-cylinder flow effects (swirl, tumble).
Swirl bowl optimization.
Exhaust systems, including geometry optimization for pressure wave interactions.
Air/exhaust flows in 2 and 4-stroke engine, with all valves and pistons moving.
Aftertreatment (DOC, DPF, Catalytic converters)
Time dependent studies of poppet valves. Energy conversion:
Transport of oil film by gravity and air flow.
Blood flow through synthetic heart valves.
Motion within storage tanks.
Design optimization for high technology fuel cells. Miscellaneous studies:
Design optimization for heat exchangers.
Ventilation systems for offices and vehicles.
High efficiency valves.
Nozzle and orifice designs for many applications.
Impeller, fan, and shroud design.
Wind tunnel design of reverse thrust duct.
Mixing of multiple species.
Optimizing a spreading process for a thick fluid between two flexible belts.
|AcousticsSurvey of Concert Hall Acoustics
Concert Hall Acoustics, including :
Hall performance at all seats
Predictions for concept designs
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