期刊
PHYSICS OF FLUIDS
卷 23, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3580263
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- Grand Equipement National de Calcul Intensif-Institut du Developpement et des Ressources en Informatique Scientifique [1119]
Near transition, plane Couette flow takes the form of large-scale, oblique, and statistically steady alternating bands of turbulent and laminar flow. Properties of these flows are investigated using direct numerical simulation in a tilted computational domain. Four regimes-uniform, intermittent, periodic, and localized-are characterized. The Fourier spectrum along the direction of variation of the pattern is presented, and the component corresponding to the pattern wavenumber is investigated as an order parameter. The mean flow of a periodic pattern is characterized and shown to lead to a relation between the Reynolds number and the wavelength and angle of a pattern. (C) 2011 American Institute of Physics. [doi:10.1063/1.3580263]
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