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Stability criteria of Samara-like decelerator in unsteady transitions
Published online by Cambridge University Press: 02 December 2022
Abstract
The physics behind the transitions of natural Samaras, or the bio-inspired counterparts, to steady autorotation has been unclear. Theoretical and experimental investigations explore the inertial and aerodynamic characteristics required to guarantee stable transitions of an artificial Samara-like decelerator from chaotic tumbling motions to azimuthal autorotation. A non-dimensional inertial criterion is proposed, which is in accord with experiments.
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- © The Author(s), 2022. Published by Cambridge University Press on behalf of Royal Aeronautical Society
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