Gino Perrotta

George Washington University, Johns Hopkins University Applied Physics Laboratory

Papers

Total Citations

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About

Gino Perrotta is a leading researcher in the field of bio-inspired hydrodynamics, with a primary focus on the unique propulsion mechanisms of the California sea lion. Unlike most aquatic mammals that rely on body-caudal fin swimming, sea lions generate thrust using their foreflippers—a rare and highly agile mode of locomotion that Perrotta has helped illuminate. His major contributions include the first detailed characterizations of the flowfields produced by a sea lion foreflipper starting from rest, and the application of innovative bubble particle image velocimetry (PIV) to capture the velocity field of the sea lion’s propulsive stroke in real time. These studies have revealed that the stroke generates thrust by forming a distinct vortex wake, offering new insights into maneuverability and efficiency. Though early in his career, Perrotta’s work has already garnered attention, with his 2020 paper receiving 14 citations and his 2021 study earning 6. His research not only advances fundamental understanding of aquatic locomotion but also inspires the design of agile underwater vehicles.