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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effect of impact wall on energy dissipation in stilling basin
This paper investigates the role of impact in stilling basin design for the enhancement of energy dissipation in order to protect the downstream structures from excessive scouring. Large number of experiments (57 test runs) have been carried out for Froude numbers 3.85, 2.85 and 1.85 to evolve the new stilling basin model by employing the impact walls of different configurations for dissipation of energy of flowing water for pipe outlets. Performance of outlet basins having impact wall of varying size and location were evaluated based on dimensionless number called as Performance Index (PI), which is the ratio of grains Froude number to scour index. Higher values of PI indicate better performance of the basin. It is concluded that by placing the appropriate impact wall size at suitable location, not only the efficiency of basin increases but also the length of basin reduces by 30% as compared to USBR VI stilling basin.
Effect of impact wall on energy dissipation in stilling basin
This paper investigates the role of impact in stilling basin design for the enhancement of energy dissipation in order to protect the downstream structures from excessive scouring. Large number of experiments (57 test runs) have been carried out for Froude numbers 3.85, 2.85 and 1.85 to evolve the new stilling basin model by employing the impact walls of different configurations for dissipation of energy of flowing water for pipe outlets. Performance of outlet basins having impact wall of varying size and location were evaluated based on dimensionless number called as Performance Index (PI), which is the ratio of grains Froude number to scour index. Higher values of PI indicate better performance of the basin. It is concluded that by placing the appropriate impact wall size at suitable location, not only the efficiency of basin increases but also the length of basin reduces by 30% as compared to USBR VI stilling basin.
Effect of impact wall on energy dissipation in stilling basin
KSCE J Civ Eng
Tiwari, H. L. (Autor:in) / Goel, Arun (Autor:in)
KSCE Journal of Civil Engineering ; 20 ; 463-467
01.01.2016
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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