Flow field study of reverse flow condition on a model scale helicopter rotor in high advance ratio flight in wind tunnel. Discovery and quantification of a delta wing sharp edge vortex like structure under the rotor blade at reverse flow conditions.

Publications:
(1) Hiremath, Nandeesh, Dhwanil Shukla, Vrishank Raghav, Sorin Pirau, and Narayanan Komerath. "Effects of advance ratio and radial location on the vortex structure on a rotating blade in reverse flow." In Proceedings of the American Helicopter Society Forum. 2015.
(2) Dhwanil Shukla, Nandeesh Hiremath, and Narayanan Komerath. "Vortical features of a rotor blade in reversed flow." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers Digital Collection, 2015.
(3) Dhwanil Shukla, Nandeesh Hiremath, Vrishank Raghav, and Narayanan Komerath. "Dynamic effects in the reverse flow velocity field." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers Digital Collection, 2015.
(4) Hiremath, Nandeesh, Dhwanil Shukla, Vrishank Raghav, and Narayanan Komerath. "A summary of the flowfield around a rotor blade in reverse flow." In Proceedings of the AHS International 72nd Annual Forum, pp. 1-8. 2016.
(5) Hiremath, Nandeesh, Dhwanil Shukla, and Narayanan Komerath. Pressure field evolution on rotor blades at high advance ratio. No. 2016-01-2010. SAE Technical Paper, 2016. (6) Hiremath, Nandeesh, Dhwanil Shukla, and Narayanan Komerath. "Vortical lift on retreating rotor blades at high advance ratios." Experiments in Fluids 60, no. 6 (2019): 92.