Real Scale Investigation Of Interaction Between
A Supercritical Flow And A Bottom Sill.
1: Physical Aspects And Time-averaged
Pressures On Sill
Author(s)
D. Borsani, E. Larcan, S. Mambretti & E. Orsi
Abstract
Results of field scale experiments concerning the interactions between a
supercritical flow and a vertical bottom sill are presented. Experiments are
performed in a channel (width B = 5.01 m) downstream of the weir of Sernio
(Adda River, Northern Italy) using a vertical sill with adjustable height s (0.5 m,
0.6 m and 0.7 m). Significant cinematic and geometric parameters of flow have
been measured for different discharge regimes. The fluctuating local pressure on
the upstream face of the sill have been recorded by means of sensors, connected
to a digital acquisition system.
The experimental tests show that, in accordance with previous laboratory
experiments of Guadagnini, La
Keywords
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