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Vortex wakes of Aircrafts

Springer Berlin,
Buch
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Vortex wakes of Aircrafts provides mathematical modeling methods for high and low altitude take-off-landing regimes. Integral methods are combined with an extensive application of the discrete vortices technique, resulting in a time-efficient approach.

Details
Schlagworte
Hauptbeschreibung

Titel: Vortex wakes of Aircrafts
Autoren/Herausgeber: A.S. Ginevsky, A. I. Zhelannikov
Aus der Reihe: Foundations of Engineering Mechanics
Ausgabe: 2009

ISBN/EAN: 9783642242465

Seitenzahl: 154
Format: 23,5 x 15,5 cm
Produktform: Taschenbuch/Softcover
Gewicht: 269 g
Sprache: Englisch

Investigation of vortex wakes behind various aircraft, especially behind wide bodied and heavy cargo ones, is of both scientific and practical in terest. The vortex wakes shed from the wing’s trailing edge are long lived and attenuate only atdistances of10–12kmbehindthe wake generating aircraft. The encounter of other aircraft with the vortex wake of a heavy aircraft is open to catastrophic hazards. For example, air refueling is adangerous operationpartly due to thepossibility of the receiver aircraft’s encountering the trailing wake of the tanker aircraft. It is very important to know the behavior of vortex wakes of aircraft during theirtakeoff andlanding operations whenthe wakes canpropagate over the airport’s ground surface and be a serious hazard to other depart ing or arriving aircraft. This knowledge can help in enhancing safety of aircraft’s movements in the terminal areas of congested airports where the threat of vortex encounters limits passenger throughput. Theoreticalinvestigations of aircraft vortex wakes arebeingintensively performedinthe major aviationnations.Usedforthispurpose are various methods for mathematical modeling of turbulent flows: direct numerical simulation based on the Navier–Stokes equations, large eddy simulation using the Navier–Stokes equations in combination with subrigid scale modeling, simulation based on the Reynolds equations closed with a differential turbulence model. These approaches are widely used in works of Russian and other countries’ scientists. It should be emphasized that the experiments in wind tunnels and studies of natural vortex wakes behind heavy and light aircraft in flight experiments are equally important.

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