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Jump B61


Description
This study presents an experimental study of the transition from supercritical to subcritical flow at an abrupt drop. The paper reports a wide range of experimental conditions and the relevant regime charts. Long-term experimental results show that some flow configurations tend to behave quasi-periodically (i.e. oscillating flow patterns). The experimental results have direct implications on the design and construction of spillway stilling basins where abrupt drops may be used to stabilise the position of the jump. The present study proposes design guidelines taking into account the different flow types, for a range of tailwater flow conditions. These guidelines are essential for a safe and proper operation of stilling basins with abrupt drop.
The movie shows the jump B61.

Autor
Mossa M., Petrillo A., Chanson H.
Date
2003
Copyright
Mossa M., Petrillo A., Chanson H.




IAHR Media Library

This web site was launched by Prof. Michele Mossa of the Polytechnic University of Bari (Italy) with the initial support of Fondazione Caripuglia, Bari, Italy for the Research Project LIC-MON of 2003 and of the Project IMCA (Integrated Monitoring of Coastal Areas) financed by MIUR PON D.M. 593/00. Later, the initiative was supported with other Prof. Michele Mossa’s funds, most recently provided by the RITMARE Project.


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