Concept of Spinsonde for Multi-Cycle Measurement of Vertical Wind Profile of Tropical Cyclones

DOI: 10.4236/ojapps.2015.54015   PDF   HTML   XML   3,162 Downloads   3,653 Views   Citations


Tropical cyclones and cyclogenesis are active areas of research. Chute-operated dropsondes are capable of acquiring high resolution vertical wind profile of tropical cyclones. This work proposes a chute-free vertical retardation technique (termed as spinsonde) that can accurately measure vertical wind speed profile. Unlike the expendable dropsondes, the spinsonde allows multi-cycle measurement to be performed within a single flight. Proof of principle is demonstrated via simulation and results indicate that the ground speed correlates with the wind speeds to within ±5 km·h-1. This technique reduces flying weight and increases payload capacity by eliminating bulky chutes. Maximum cruising speed (VH) achieved by the spinsonde UAV is 368 km·h-1.

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Poh, C. and Poh, C. (2015) Concept of Spinsonde for Multi-Cycle Measurement of Vertical Wind Profile of Tropical Cyclones. Open Journal of Applied Sciences, 5, 145-150. doi: 10.4236/ojapps.2015.54015.

Conflicts of Interest

The authors declare no conflicts of interest.


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