Hydraulic Jumps on Rough Beds
Publication: Journal of Hydraulic Engineering
Volume 133, Issue 9
Abstract
This paper presents the results of an experimental investigation on the hydraulic jump on horizontal rough beds. Experiments were carried out to study the effect of bed roughness on both the sequent depth ratio and the roller length. The investigation allowed the writers to positively test the reliability of a new solution of the momentum equation for the sequent depth ratio as a function of the Froude number and the ratio between the roughness height and the upstream supercritical flow depth. The applicability of some empirical relationships for estimating the roller length was also tested.
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Acknowledgments
The research was carried out with the financial support of Grant No. PRIN 2004 “Studio delle rampe in pietrame con modelli di laboratorio a differenti scale”—Ministero Istruzione, Università e Ricerca Scientifica–Governo Italiano. The writers are indebted to the anonymous reviewers and the Associate Editor for the useful comments and suggestions which improved the original manuscript.
References
Bakhmeteff, B. A. (1932). Hydraulics of open channels, McGraw-Hill, New York.
Bresse, J. A. C. (1860). Cours de mécanique appliquée, 2: Hydraulique, Mallet-Bachelier, Paris.
Carollo, F. G., and Ferro, V. (2004a). “Contributo allo studio della lunghezza del risalto libero su fondo liscio e scabro.” Rivista di Ingegneria Agraria, 35(4), 13–20 (in Italian).
Carollo, F. G., and Ferro, V. (2004b). “Determinazione delle altezze coniugate del risalto libero su fondo liscio e scabro.” Rivista di Ingegneria Agraria, 35(4), 1–11 (in Italian).
Citrini, D. (1939). “Il salto di Bidone.” Energ. Elettr., 16(6), 441–465; and 16(7), 517–527 (in Italian).
Ead, S. A., and Rajaratnam, N. (2002). “Hydraulic jumps on corrugated beds.” J. Hydraul. Eng., 128(7), 656–663.
Einwachter, J. (1932). “Berechnung der deckwalzenbreite des freien wassersprunges.” Wasserwirtschaft, 27(21), 245–249 (in German).
Gill, M. A. (1980). “Effect of boundary roughness on hydraulic jump.” Int. Water Power Dam Constr., 32(1), 22–24.
Govinda Rao, N. S., and Ramaprasad, N. (1966). “Application of momentum equation in the hydraulic jump.” La Houille Blanche, 24(10), 451–453.
Hager, W. H. (1992). Energy dissipators and hydraulic jump, Kluwer, Dordrecht, The Netherlands.
Hager, W. H., and Bremen, R. (1989). “Classical hydraulic jump: Sequent depths.” J. Hydraul. Res., 27(5), 565–585.
Hager, W. H., Bremen, R., and Kawagowshi, N. (1990). “Classical hydraulic jump: Length of roller.” J. Hydraul. Res., 28(5), 591–608.
Hughes, W. C., and Flack, J. E. (1984). “Hydraulic jump properties over a rough bed.” J. Hydraul. Eng., 110(12), 1755–1771.
Mehrotra, S. C. (1976). “Length of hydraulic jump.” J. Hydr. Div., 102(7), 1027–1033.
Pietrkowski, J. (1932). “Beitrag zur kenntnis des wechselsprunges.” Wasserwirtschaft, 25(25), 356–358; 25(26), 370–372; 25(27), 377–379; and 25(28), 397–400 (in German).
Rajaratnam, N. (1965). “The hydraulic jump as a wall jet.” J. Hydr. Div., 91(5), 107–132.
Smetana, J. (1937). “Studi sperimentali sul salto di Bidone libero e annegato.” Energ. Elettr., 24(10), 829–835 (summary in Italian).
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 133 • Issue 9 • September 2007
Pages: 989 - 999
Copyright
© 2007 ASCE.
History
Received: May 16, 2005
Accepted: Mar 27, 2007
Published online: Sep 1, 2007
Published in print: Sep 2007
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