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Article

1,956 Views

23 Pages

Turbulence Transitions in Kelvin–Helmholtz Instability “Tube” and “Knot” Dynamics: Vorticity, Helicity, and Twist Waves

David C. Fritts,
Thomas S. Lund,
Adam C. Lund and
Ling Wang

Atmosphere2023, 14(12), 1770;https://doi.org/10.3390/atmos14121770

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30 November 2023

We address the sources and dynamics of vorticity and helicity and their relations in transitions to turbulence arising due to Kelvin–Helmholtz instability (KHI) “Tube” and “Knot” (T&K) events. Such events are common...

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Article

12 Citations

6,145 Views

20 Pages

Estimation of Airspeed, Angle of Attack, and Sideslip for Small Unmanned Aerial Vehicles (UAVs) Using a Micro-Pitot Tube

Gennaro Ariante,
Salvatore Ponte,
Umberto Papa and
Giuseppe Del Core

Electronics2021, 10(19), 2325;https://doi.org/10.3390/electronics10192325

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22 September 2021

Fixed and rotary-wing unmanned aircraft systems (UASs), originally developed for military purposes, have widely spread in scientific, civilian, commercial, and recreational applications. Among the most interesting and challenging aspects of small UAS...

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