Previous work and present knowledge on wake vortices near the ground

1 Introduction 31.1 GlobalWPoverview . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.2 OverviewofTask3.1: Dynamicsanddecayinidealizedconditions . 41.3 OverviewofTask3.2: Dynamicsanddecayinrealconditions . . . . 41.4 OverviewofTask3.3: Assessmentandadvancedreal-timemodeling 51.5 Reportoutline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Dynamics and decay in idealized conditions (T3.1) 52.1 Two-dimensionaldynamics . . . . . . . . . . . . . . . . . . . . . . . 62.2 Three-dimensionalbehaviorofavortexpairingroundefiect. . . . . 82.3 Interactionofavortexringwiththeground . . . . . . . . . . . . . . 123 Dynamics and decay in real conditions (T3.2) 123.1 Fieldmeasurements . . . . . . . . . . . . . . . . . . . . . . . . . . . 123.2 Comparisonsbetweennumericalandexperimentalresults . . . . . . 144 Assessment and real-time modeling (T3.3) 164.1 TheProbabilisticTwo-Phasemodel(P2P). . . . . . . . . . . . . . . 164.2 TheProbabilisticVortexForecastSystem(P-VFS) . . . . . . . . . . 174.3 Otherpredictivemodels . . . . . . . . . . . . . . . . . . . . . . . . . 19References 19

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