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nlin.CD2004★ 10 cited
Probability Density Functions of Decaying Passive Scalars in Periodic Domains : An Application of Sinai-Yakhot Theory
Jai Sukhatme
Employing the formalism introduced by Sinai and Yakhot [PRL, 63(18), p. 1962, 1989], we study the probability density functions (pdf's) of decaying passive scalars in periodic doma…
nlin.CD2002★ 74 cited
The Decay of Passive Scalars Under the Action of Single Scale Smooth Velocity Fields in Bounded 2D Domains : From non self similar pdf's to self similar eigenmodes
Jai Sukhatme, Raymond T. Pierrehumbert
We examine the decay of passive scalars with small, but non zero, diffusivity in bounded 2D domains. The velocity fields responsible for advection are smooth (i.e., they have bound…
nlin.CD2002★ 23 cited
Surface Quasigeostrophic Turbulence : The Study of an Active Scalar
Jai Sukhatme, Raymond T. Pierrehumbert
We study the statistical and geometrical properties of the potential temperature (PT) field in the Surface Quasigeostrophic (SQG) system of equations. In addition to extracting inf…