Abstract
The vortex-wake of an airplane contains a system of one or more pairs of trailing vortices. The vortex-wake interacts with the surrounding atmosphere and decays due to instabilities such as the Crow instability. The downwash associated with the wake constitutes a hazard to other airplanes since it may cause an appreciable loss of lift and/or induce a rolling-moment. This can be dangereous if the second airplane is near the ground such as during take-offs and landings. In this paper we begin by drawing parallels between this problem of air-space pollution near airports due to vortex-wakes and other environmental pollution problems. Attention is focussed on how fluid mechanical processes influence different elements of this problem and on fluid mechanical means with potential of alleviating the wake hazard.
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Lele, S.K. (2001). Vortex-Wake Pollution: A Problem in Fluid Mechanics. In: Lumley, J.L. (eds) Fluid Mechanics and the Environment: Dynamical Approaches. Lecture Notes in Physics, vol 566. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44512-9_9
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DOI: https://doi.org/10.1007/3-540-44512-9_9
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