Abstract
Abstract In this paper is evaluated the inertial subrange Kolmogorov constant C 0 in a stable boundary-layer. The importance of the constant C 0 is well known as predictions of turbulent dispersion by means of Lagrangian stochastic models depend upon its value. Different values of the C 0 constant has been proposed along the years, most of them determined at low Reynolds number and/or under different techniques. Here we estimate the constant C 0 by tracking an ensemble of Lagrangian particles injected in a stable planetary boundary-layer simulated with a large-eddy simulation model and analyzing the ensemble-averaged Lagrangian velocity structure function in the inertial subrange. Our estimative of C 0 , w is 3.7, which is consistent with values found in literature. The evaluation of C 0 , u and C 0 , v cannot be easily accomplished since it is difficult to identify an inertial subrange for the wind field horizontal components.
Published Version
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