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Title: Sensitivity analysis of initial condition parameters on the transitional temporal turbulent mixing layer
Authors: Fathali, M ×
Meyers, Johan
Rubio, Gustavo
Smirnov, S
Baelmans, Martine #
Issue Date: Apr-2008
Publisher: Taylor & Francis LTD
Series Title: Journal of Turbulence vol:9 pages:1-28
Article number: 12
Abstract: This paper aims at determining the most influential inlet turbulence parameters on the downstream transitional mixing region. To this end, a stochastic method is developed to generate a divergence-free random velocity field with a prescribed energy distribution in physical and wave-number space. In addition, predetermined integral length scales can be established. Ten direct numerical simulations of a temporally evolving transitional turbulent mixing layer are examined in detail. Simulation results show a large disparity in mean and instantaneous turbulent quantities, mainly effected by the energy spectrum, the integral length scale and the divergence freeness of the initial field.
ISSN: 1468-5248
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Applied Mechanics and Energy Conversion Section
× corresponding author
# (joint) last author

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