TECHNICAL NOTES
May 1, 2005

Plunge Pool Pressures Due to a Falling Rectangular Jet

Publication: Journal of Hydraulic Engineering
Volume 131, Issue 5

Abstract

This Technical Note presents the results of a large set of laboratory tests and tries to determine the conditions that ensure the existence of a water cushion that is not expelled by the impingement of a nappe (effective cushion). Second, values of mean dynamic pressures at the stagnation point of nonsymmetric plunge pools downstream of arch dams are assessed.

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References

Armengou, J. (2001). “Vertido libre por coronación en presas bóveda. Análisis del campo de presiones en el cuenco amortiguador.” PhD thesis, Universitat Politècnica de Catalunya.
Canepa, S., and Hager, W. (2003). “Effect of jet air content on plunge pool scour.” J. Hydraul. Eng., 129(5), 358–365.
Cola, R. (1966). “Diffusione di un getto piano verticale in un bacino d’aqua d’altezza limitata.” Energ. Elettr., (11), 649–667.
Cui, Guang Tao, Lin, Ji Yong, and Liang, Xing Rong, (1985). “Efeito do impacto, no leito do rio, da lamina descarregada sobre una barragem-abobada” [portuguese translation from the chinese, J. A. Pinto de Campos, LNEC, Lisboa]. Shuili xuebao, Beijing, (8) 58–63.
Ervine, D. A., Falvey, H. T., and Whiters, W. (1997). “Pressure fluctuations on plunge pool floors.” J. Hydraul. Res., 35(2), 257–284.
Franzetti, S. (1980). “Pressione idrodinamichi sul fondo di una vasca di smorzamento.” Energ. Elettr., (6), 280–285.
Hartung, F., and Häusler, E. (1973). “Scours, stilling basins and downstream protection under free overfall jets and dams.” Trans., 11th Congress on Large Dams, Madrid, Spain, Q.41, R.3., 39–56.

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Go to Journal of Hydraulic Engineering
Journal of Hydraulic Engineering
Volume 131Issue 5May 2005
Pages: 404 - 407

History

Received: May 10, 2002
Accepted: Sep 13, 2004
Published online: May 1, 2005
Published in print: May 2005

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Professor, Univ. Da Coruña, Civil Engineering School (ETS I. Caminos), Campus de Elviña, 15192 A Coruña, Spain. E-mail: [email protected]
Professor, Univ. Politècnica de Catalunya, Civil Engineering School (ETS I. Caminos), Campus Nord. Módulo D-1, 08034 Barcelona, Spain. E-mail: [email protected]

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