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Modeling the Radar Signature of Raindrops in Aircraft Wake Vortices

Liu, Zongxhun and Jeannin, Nicolas and Vincent, François and Wang, Xuesong Modeling the Radar Signature of Raindrops in Aircraft Wake Vortices. (2013) Journal of Atmospheric and Oceanic Technology, 30 (3). 470-484. ISSN 0739-0572

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Official URL: http://dx.doi.org/10.1175/JTECH-D-11-00220.1

Abstract

The present work is dedicated to the modeling and evaluation of the radar signature of raindrops within wake vortices. This is achieved through the computation of the motion equation of raindrops within the wake vortex flow. Based on the inhomogeneous distribution of raindrops within wake vortices, the radar echo model is computed for raindrops in a given pulse resolution volume. Simulated Radar Doppler signature of raindrops within wake vortices is illustrated to be a potential criterion for identifying wake vortex hazard in air traffic control. The dependence of the radar signature on various parameters, including the radial resolution, antenna elevation angle, is also analyzed.

Item Type:Article
Additional Information:Thanks to American Meteorological Society editor. The definitive version is available at http://journals.ametsoc.org/doi/abs/10.1175/JTECH-D-11-00220.1
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
French research institutions > Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE)
Other partners > National University of Defense Technology (CHINA)
Laboratory name:
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Deposited By: Francois VINCENT
Deposited On:24 May 2013 07:34

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