OJFD  Vol.8 No.2 , June 2018
Temporal Large-Eddy Simulations of the Near-Field of an Aircraft Wake
Author(s) Roberto Paoli1,2*, Henri Moet3
ABSTRACT
The near-field dynamics of an aircraft wake is studied by means of temporal large-eddy simulations, with and without considering the effect of engine jets. In the absence of jets, the simulations showed the roll-up of the initial vorticity sheet shed by the wing and the occurrence of short-wavelength instability in a pair of primary co-rotating vortices. The main consequence of the instability is the modification of the internal structure of the vortex, compared to the two-dimensional stable behavior. The presence of engine jets affects the roll-up of the vorticity sheet and causes an enlargement of the final merged vortex core compared to the case without jets.
Cite this paper
Paoli, R. , Moet, H. (2018) Temporal Large-Eddy Simulations of the Near-Field of an Aircraft Wake. Open Journal of Fluid Dynamics, 8, 161-180. doi: 10.4236/ojfd.2018.82012.
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