Anisotropic velocity correlation spectrum at small scales in a homogeneous turbulent shear flow.

@article{Ishihara2002AnisotropicVC,
  title={Anisotropic velocity correlation spectrum at small scales in a homogeneous turbulent shear flow.},
  author={Takashi Ishihara and Kyo Yoshida and Yukio Kaneda},
  journal={Physical review letters},
  year={2002},
  volume={88 15},
  pages={154501}
}
A simple theoretical analysis and direct numerical simulations on 512(3) grid points suggest that the velocity correlation spectrum tensor in the inertial subrange of homogeneous turbulent shear flow at high Reynolds number is given by a simple form that is an anisotropic function of the wave vector. The tensor is determined by the rate of the strain tensor of the mean flow, the rate of energy dissipation per unit mass, the wave vector, and two nondimensional constants. 

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