An efficient computational methodology for modeling multirotor configurations in hover and forward flight will be discussed. Techniques for coupling this methodology with aeroelastic analyses and aeroacoustic analyses will be discussed. Sample applications for single rotor helicopters in high speed forward flight and maneuver will be presented. Coaxial and tandem rotor applications will also be briefly addressed. Finally, the effects of rain and icing on rotor performance will be addressed.
Dr. Lakshmi Sankar
He is a Regents Professor and Sikorsky Professor at the Guggenheim School of Aerospace Engineering at the Georgia Institute of Technology. As Director of the School's Computational Fluid Dynamics Lab, he leads a research and education program focused on the modeling and simulation of unsteady viscous flow around aircraft, helicopters, horizontal axis wind turbines, and turbo-machinery components. He teaches undergraduate and graduate-level courses in the areas of aerodynamics, helicopter theory, wind energy, aerodynamic design, and computational aerodynamics. Prior to joining the Georgia Tech faculty in 1982, Dr. Sankar worked at Lockheed Martin in Marietta, GA. While at Lockheed, he contributed to the development of 2-D and 3-D flow analyses that solve 3-D unsteady transonic flow over airfoils, wing-alone, wing-body, and complete aircraft configurations. He also extended 2-D transonic design methodologies to 3-D transonic wing and wing-body configurations. He also worked closely with researchers at Ford Motor Co on 3-D Navier-Stokes simulations of next-generation automobile configurations. Dr. Sankar is an AIAA Fellow, a Technical Fellow of the American Helicopter Society, and a member of the American Society of Mechanical Engineers.