Real Scale Investigation Of Interaction Between
A Supercritical Flow And A Bottom Sill.
2: Statistical Analysis Of Pressure Fluctuations
On Sill
Author(s)
D. Borsani, E. Larcan, S. Mambretti & E. Orsi
Abstract
The interaction between supercritical flow and a sill with variable height s (0.5 ,
0.6 and 0.7 m) is studied in a rectangular channel (width B = 5.01 m)
downstream of the weir of Sernio (Adda river, Northern Italy).
Results of the statistical analysis of time fluctuating pressures on the central axis
of the upstream face of the sill are presented. Statistical moments (standard
deviation, skewness and kurtosis) of local pressures at various locations on sill
surface are analysed and then relationships between these moments and mean
flow parameters are investigated. Some considerations on local pressure extreme
values and spectral analysis are also presented. A comparison between rea
Keywords
Related Book
Other papers in this volume
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