Articles | Volume 10, issue 12
https://doi.org/10.5194/amt-10-4573-2017
https://doi.org/10.5194/amt-10-4573-2017
Research article
 | 
29 Nov 2017
Research article |  | 29 Nov 2017

Novel approaches to estimating the turbulent kinetic energy dissipation rate from low- and moderate-resolution velocity fluctuation time series

Marta Wacławczyk, Yong-Feng Ma, Jacek M. Kopeć, and Szymon P. Malinowski

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Latest update: 02 Mar 2024
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Short summary
We propose two novel methods to estimate turbulent kinetic energy dissipation rate applicable to airborne measurements. In this way we increase robustness of the dissipation rate retrieval and extend its applicability to a wider range of data sets. The new approaches relate the predicted form of the dissipation spectrum to the mean of zero crossings of the measured velocity fluctuations. The methods are easy to implement numerically, and estimates remain unaffected by certain measurement errors.