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|Title:||Rapidly sheared homogeneous stratified turbulence in a rotating frame||Authors:||Kassinos, S. C.
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.||URI:||http://ktisis.cut.ac.cy/handle/10488/8736||ISSN:||1070-6631
|DOI:||10.1063/1.2710291||Rights:||© American Institute of Physics||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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