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Title: Rapidly sheared homogeneous stratified turbulence in a rotating frame
Authors: Kassinos, S. C.
Akylas, Evangelos 
Langer, C. A.
Keywords: Turbulent flows;Tensor methods;Numerical solutions;Reynolds stress modeling;Rotating flows
Category: Environmental Engineering
Field: Engineering and Technology
Issue Date: 2007
Publisher: American Institute of Physics
Source: Physics of Fluids, 2007, Volume 19, Issue 2, pages 021701
Abstract: Rapid distortion theory is applied to stratified homogeneous turbulence that is sheared in a rotating frame. Insight into the stabilizing and destabilizing effects of the combined stratification and frame rotation is gained by considering initial fields that are two-dimensional, with the axis of independence aligned with the flow direction. For these conditions, we derive solutions for the Fourier components of the flow variables, and for one-point statistics in physical space. The analytical results are in qualitative agreement with the exact numerical solution for initially isotropic homogeneous turbulence, and they could be a reference point for the development of turbulence models.
ISSN: 1070-6631
1089-7666 (Online)
DOI:  10.1063/1.2710291
Rights: © American Institute of Physics
Type: Article
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