Measurements of the Kolmogorov constant from laboratory and geophysical wind data

Guilherme Sausen Welter, Adrián Roberto Wittwer, Gervásio Annes Degrazia, Otávio Costa Acevedo, Osvaldo Luiz Leal de Moraes and Domenico Anfossi

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 18, 3745-3751

Abstract: Turbulent wind data measured in the atmospheric surface layer and wind tunnels are used to estimate the Kolmogorov constant Ck. The analysis discusses distinct procedures to obtain the mean energy dissipation rate and Ck. We find that for our datasets the most reliable method is the third-order structure function one. The value found for the skewness of longitudinal velocity differences is in accordance with a multifractal approach recently proposed. Despite the limitations of the data discussed in the paper, the results point to a value of Ck independent of the Reynolds number.

Keywords: Fully developed turbulence; Structure functions; Kolmogorov constant (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:18:p:3745-3751

DOI: 10.1016/j.physa.2009.05.042

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