Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
30 (1987), S. 2914-2917
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Direct numerical simulations of turbulent spots in plane Poiseuille and boundary-layer flows are performed. Mature, self-similar spots are obtained. The propagation velocities and spreading angles are found to compare well with corresponding experiments. The difference in shape of the two spots is also clearly discernible: the turbulent parts are contained within arrowhead regions that point in opposite directions for the two cases. The wing-tip region of the Poiseuille spot is also found to consist of a large-amplitude semiturbulent wave packet.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.866067
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