Krishnamoorthy Krishnan
Coastal Carolina University
7 Papers
15 Citations
Krishnamoorthy Krishnan is an academic researcher from Coastal Carolina University. The author has contributed to research in topics: Flapping & Kinematics. The author has an hindex of 2, co-authored 6 publications.
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Papers
The role of wingbeat frequency and amplitude in flight power
Krishnamoorthy Krishnan,Baptiste Garde,Ashley Bennison,Nik C. Cole,E. L. Cole,J. Darby,Kyle H. Elliott,Adam J. Fell,Agustina Gómez-Laich,Sophie de Grissac,Mark Jessopp,Emmanouil Lempidakis,Yuichi Mizutani,Aurélien Prudor,Michael Quetting,Flavio Quintana,Hermina Robotka,Alexandre Roulin,P. Ryan,Kim Schalcher,Stefan Schoombie,Vikash Tatayah,Fred Tremblay,Henri Weimerskirch,Shannon Whelan,Martin Wikelski,Ken Yoda,Anders Hedenström,Emily L. C. Shepard +28 more
TL;DR: In this paper , the authors used body-mounted accelerometers for estimating power use in flying birds, as the signal varies with the two major kinematic determinants of aerodynamic power: wingbeat frequency and amplitude, and found that birds were more likely to modulate amplitude for more energy-demanding flight modes, including climbing and take-off.
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Flow pattern similarities in the near wake of three bird species suggest a common role for unsteady aerodynamic effects in lift generation.
Roi Gurka,Krishnamoorthy Krishnan,Hadar Ben-Gida,Adam J. Kirchhefer,Gregory A. Kopp,Christopher G. Guglielmo +5 more
TL;DR: This work studied the flight of three distinctive bird species using long-duration, time-resolved particle image velocimetry to better characterize and advance the understanding of how birds use unsteady flow features to enhance their aerodynamic performances during flapping flight.
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The hydrodynamic regime drives flow reversals in suction-feeding larval fishes during early ontogeny.
TL;DR: Numerical simulations can explain the observations of larval fish failing to feed because of the in-and-out movement of the prey, and highlight the importance of transporting the prey from the gape deeper into the mouth cavity in determining suction-feeding success.
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Direct Numerical Simulations of a Great Horn Owl in Flapping Flight.
Nikolaos Beratlis,Francesco Capuano,Krishnamoorthy Krishnan,Roi Gurka,Kyle D. Squires,Elias Balaras +5 more
TL;DR: The results indicate that high-fidelity computations over smooth wings may have limitations in capturing the full range of flow phenomena in owl flight, including variables that are challenging to measure with sufficient accuracy, such as aerodynamic forces.
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Turbulent Wake-Flow Characteristics in the Near Wake of Freely Flying Raptors: A Comparative Analysis Between an Owl and a Hawk.
Krishnamoorthy Krishnan,Hadar Ben-Gida,Gareth Morgan,Gregory A. Kopp,Christopher G. Guglielmo,Roi Gurka +5 more
TL;DR: It is suggested that owls modulate the turbulence activity of the near wake in the vicinity of the wing, resulting in rapid decay before radiating into the far-field; thus, suppressing the aerodynamic noise at the far wake.
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