Aircraft Vortex Wake Descent and Decay under Real Atmospheric Effects
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1973-10-01
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NTL Classification:NTL-AVIATION-AVIATION;NTL-AVIATION-Air Traffic Control;
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Abstract:Aircraft vortex wake descent and decay in a real atmosphere is studied analytically. Factors relating to encounter hazard, wake generation, wake descent and stability, and atmospheric dynamics are considered. Operational equations for encounter hazard, wake generation, and atmospheric dynamics are given, including a brief description of a possible automatic meteorological system to provide atmospheric data for an airport wake forecasting program. A new analysis for Crow instability in ambient turbulence is given, expressing time-to-linkage as an explicit function of the turbulent dissipation.
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