Ultrasonic Method for Aircraft Wake Vortex Detection

This paper describes the experimental proof of concept study for an ultrasonic method of wake vortex detection. This new acoustic method uses travel time of acoustic pulses around a closed path to measure the net circulation within the acoustic path. In this application the closed path encloses the...

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Bibliographic Details
Published in:Journal of aircraft 2007-05, Vol.44 (3), p.726-732
Main Authors: Rodenhiser, Rebecca J, Durgin, William W, Johari, Hamid
Format: Article
Language:English
Subjects:
Air transportation and traffic
Aircraft
Applied sciences
Exact sciences and technology
Fluid dynamics
Ground, air and sea transportation, marine construction
Methods
Turbulent flow
Ultrasonic technology
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Summary:This paper describes the experimental proof of concept study for an ultrasonic method of wake vortex detection. This new acoustic method uses travel time of acoustic pulses around a closed path to measure the net circulation within the acoustic path. In this application the closed path encloses the vorticity shed from one side of a Piper PA-28 aircraft wing. Magnitude and sign of circulation detected is comparable to the expected circulation generated by the Piper PA-28 test aircraft. This study demonstrates the validity of the acoustic method in detecting aircraft wake vortices. Further investigations and applications using this technique are discussed. [PUBLICATION ABSTRACT]
ISSN:0021-8669
1533-3868
DOI:10.2514/1.25060