A New Dynamical Subgrid Model for the Planetary Surface Layer. Part II: Analytical Computation of Fluxes, Mean Profiles, and Variances

@article{Dubrulle2002AND,
  title={A New Dynamical Subgrid Model for the Planetary Surface Layer. Part II: Analytical Computation of Fluxes, Mean Profiles, and Variances},
  author={B{\'e}reng{\`e}re Dubrulle and Jean-Philippe Laval and Peter P. Sullivan},
  journal={Journal of the Atmospheric Sciences},
  year={2002},
  volume={59},
  pages={877-891}
}
A new dynamical subgrid model for turbulent flow is used to derive the structure of the heat and momentum fluxes, mean wind and temperature profiles, and temperature and velocity variances, as a function of the Richardson number, in the surface layer of the planetary boundary layer. Analytical solutions are obtained for stationary, homogeneous surface layers and are compared with field observations. The theory allows for analytic nonperturbative solutions in any turbulent surface layer and can… 
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9 Citations
Background Citations
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Methods Citations
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9 Citations

A New Dynamical Subgrid Model for the Planetary Surface Layer. Part I: The Model and A Priori Tests

A new dynamical subgrid model for turbulent flow in the surface layer of the planetary boundary layer is presented. In this formulation, the flow is decomposed into small (subgrid) and large…

Direct modelling of subgrid scales of turbulence in large eddy simulations

Subgrid scale (SGS) models for large eddy simulations of turbulent flows fall into two general categories. One category consists of the models that provide expressions for the SGS terms such as a…

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Abstract : The long term objective of our research is to advance the understanding of air-sea interaction and the coupling between the atmospheric and oceanic boundary layers (the ABL and OBL)…

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Abstract High-rate near-surface overnight atmospheric data taken during the Cooperative Atmosphere–Surface Exchange Study-1999 (CASES-99) is used to quantify the representativeness of surface layer…

A dynamic subfilter-scale model for plane parallel flows

We present a dynamic model of the subfiltered scales in plane parallel geometry using a generalized, stochastic rapid distortion theory ~RDT!. This new model provides expressions for the turbulent…

Law of the wall in an unstably stratified turbulent channel flow

We perform direct numerical simulations of an unstably stratified turbulent channel flow to address the effects of buoyancy on the boundary layer dynamics and mean field quantities. We systematically…

Fast numerical simulations of 2D turbulence using a dynamic model for subfilter motions

Langevin models of turbulence: Renormalization group, distant interaction algorithms or rapid distortion theory?

A new dynamical turbulence model is validated by comparisons of its numerical simulations with fully resolved, direct numerical simulations (DNS) of the Navier–Stokes equations in three-dimensional,…

Non-local MHD turbulence

References

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