A note on the height dependence of the skewness and the kurtosis of the vertical turbulent velocity in the neutral surface layer |
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Authors: | Osamu Chiba |
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Institution: | (1) Faculty of Science, Kochi University, 780 Kochi, Japan |
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Abstract: | Several experimental results indicate that S
w (the skewness of the vertical turbulent velocity) increases with height, and K
w (the kurtosis) decreases with height in the neutral surface layer. The measured behavior of S
w and K
w with height under neutral conditions is shown to be consistent with available models for the gradient-diffusion and the pressure-velocity correlation. In addition, an estimate of the mode of the probability density distribution turns out to be helpful in interpreting the height dependence of K
w. |
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Keywords: | |
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