A classification scheme for turbulence based on the velocity-intermittency structure with an application to near-wall flow and with implications for bed load transport. Keylock, C., J., Nishimura, K., & Peinke, J. Journal of Geophysical Research: Earth Surface, 117(1):n/a-n/a, 4, 2012. ![A classification scheme for turbulence based on the velocity-intermittency structure with an application to near-wall flow and with implications for bed load transport [link]](https://bibbase.org/img/filetypes/link.svg "link")
Website doi abstract bibtex Kolmogorov�s classic theory for turbulence assumed an independence velocity increments and the value for the velocity itself., recent work has called this assumption in to question, which implications for the structure of atmospheric, oceanic and fluvial. Here we propose a conceptually simple analytical framework studying velocity-intermittency coupling that is similar in essence the popular quadrant analysis method for studying near-wall flows., we study the dominant (longitudinal) velocity component with a measure of the roughness of the signal, given mathematically its series of H�lder exponents. Thus, we permit a possible dependence velocity and intermittency. We compare boundary layer data in a wind tunnel to turbulent jets and wake flows. These classes all have distinct characteristics, which cause them be readily distinguished using our technique and the results are to changes in flow Reynolds numbers. Classification of environmental is then possible based on their similarities to the idealized classes and we demonstrate this using laboratory data for flow a parallel-channel confluence. Our results have clear implications sediment transport in a range of geophysical applications as suggest that the recently proposed impulse-based methods for bed load transport are particularly relevant in domains as gravel bed river flows where the boundary layer is disrupted wake interactions predominate.
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abstract = {Kolmogorov�s classic theory for turbulence assumed an independence velocity increments and the value for the velocity itself., recent work has called this assumption in to question, which implications for the structure of atmospheric, oceanic and fluvial. Here we propose a conceptually simple analytical framework studying velocity-intermittency coupling that is similar in essence the popular quadrant analysis method for studying near-wall flows., we study the dominant (longitudinal) velocity component with a measure of the roughness of the signal, given mathematically its series of H�lder exponents. Thus, we permit a possible dependence velocity and intermittency. We compare boundary layer data in a wind tunnel to turbulent jets and wake flows. These classes all have distinct characteristics, which cause them be readily distinguished using our technique and the results are to changes in flow Reynolds numbers. Classification of environmental is then possible based on their similarities to the idealized classes and we demonstrate this using laboratory data for flow a parallel-channel confluence. Our results have clear implications sediment transport in a range of geophysical applications as suggest that the recently proposed impulse-based methods for bed load transport are particularly relevant in domains as gravel bed river flows where the boundary layer is disrupted wake interactions predominate.},
bibtype = {article},
author = {Keylock, C J and Nishimura, K and Peinke, J},
doi = {10.1029/2011JF002127},
journal = {Journal of Geophysical Research: Earth Surface},
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