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|Title:||Rapid shear of initially anisotropic turbulence in a rotating frame||Authors:||Akylas, Evangelos
Langer, C. A.
|Keywords:||Turbulent flows;Tensor methods;Isotropic turbulence;Eddies;Reynolds stress modeling||Category:||Civil Engineering||Field:||Engineering and Technology||Issue Date:||Feb-2007||Publisher:||American Institute of Physics||Source:||Physics of Fluids, 2007, Volume 19, Issue 2, pages 025102||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/10488/8741||ISSN:||1070-6631
|DOI:||10.1063/1.2675939||Rights:||© American Institute of Physics||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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