Granular Flows: Rheology and Booming Sand Dunes Dr. Melany L. Hunt Department of Mechanical Engineering California Institute of Technology Flows of dry particulate material as well as liquid-solid flows are ubiquitous in industrial and geophysical environments, such as debris flows, slurries, mining and milling operations, and…

Direct Numerical Simulation of the Flow around a Golf Ball Distinguished Speaker Dr. Kyle D. Squires Mechanical and Aerospace Engineering Department Arizona State University Tempe, Arizona Since the accidental discovery of drag reduction by surface roughening, golfers and equipment manufacturers have sought to optimize dimple…