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Non-universality of von Karman's κ in fluvial streams
A distinguished universal aspect of wall-bounded turbulent flows is Theodore von Karman's universal logarithmic law (log-law) of the wall, describing the time-averaged streamwise velocity variation with distance from the wall. The log-law has a universal von Karman constant κ governing the velocity gradient. There remain a number of cases of the non-universality of κ in fluvial streams. In particular, it behaves as a variable in flows with low submergence, or if there is bed- and suspended-load transport. This research focuses on the non-universality of κ raising various issues and inviting future research directions.
Non-universality of von Karman's κ in fluvial streams
A distinguished universal aspect of wall-bounded turbulent flows is Theodore von Karman's universal logarithmic law (log-law) of the wall, describing the time-averaged streamwise velocity variation with distance from the wall. The log-law has a universal von Karman constant κ governing the velocity gradient. There remain a number of cases of the non-universality of κ in fluvial streams. In particular, it behaves as a variable in flows with low submergence, or if there is bed- and suspended-load transport. This research focuses on the non-universality of κ raising various issues and inviting future research directions.
Non-universality of von Karman's κ in fluvial streams
Gaudio, Roberto (author) / Miglio, Antonio (author) / Dey, Subhasish (author)
Journal of Hydraulic Research ; 48 ; 658-663
2010-10-01
6 pages
Article (Journal)
Electronic Resource
English
Non-universality of von Karman's in fluvial streams
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Non-universality of von Karman's kappa in fluvial streams
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Technical notes - Non-universality of von Kármán's κ in fluvial streams
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Technical notes Non-universality of von Kármán's κ in fluvial streams
| Online Contents | 2010