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Alternative Title:Wake Vortex
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Edition:Project memorandum; Nov 1996-Aug 1997
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Abstract:In November 1996, a number of wake vortex and meteorological sensors were operated simultaneously in the middle marker region of Runway 31R at New York's Kennedy Airport. The vortex sensors included: 1)ground-based anemometer array, 2) cw 10-micron lidar, 3) fan-beam sodar, 4) RASS, 5) sonic anemometer, 6) scintillometer, and 7) vertical beam sodaro
Comparisons of measurements from the different sensors are presented and used to a~alyze sensor capabilities and suitability for the NASA Aircraft Vortex Spacing System (AVOSS). A number of new observations were made during this test: 1) boundary thickness under wake vortex in ground effect, 2) high time resolution in situ temperature and velocity measurements inside the vortex recirculation oval, 3) directional measurements of vortex-generated sound, and
4) the influence of aIrcraft on meteorologlcal conditions.
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