Circular Hydraulic Jump
Publication: Journal of Hydraulic Engineering
Volume 109, Issue 4
Abstract
A predictive mathematical model of a circular hydraulic jump fountain display is presented. Momentum conservation, assuming a linear jump profile, is applied to obtain an equation for the sequent depth ratio for the jump. Assuming the jump length ratio is constant, the model is used to predict the relationship between jet thickness at source, jump location, and discharge. Experimental data shows that the sequent depth and energy loss for a circular jump are less and greater, respectively, than that for a rectangular jump. Results indicate the length of the circular jump is considerably less than that for the rectangular jump. In addition, the experimental findings indicate the model correctly simulates the circular hydraulic jump fountain display.
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References
1.
Arbhabhirama, A., and Abella, A., “Hydraulic Jump within Gradually Expanding Channel,” Journal of the Hydraulics Division, ASCE, Vol. 97, No. HY1, Proc. Paper 7831, Jan., 1971, pp. 31–41.
2.
France, P. W., “Analysis of the Hydraulic Jump within a Diverging Rectangular Channel,” Proceedings of the Institution of Civil Engineers, Institution of Civil Engineers, Vol. 71, Part 2, Proc. Paper 8441, June, 1981, pp. 369–378.
3.
Henderson, F. M., Open Channel Flow, The MacMillan Co., New York, N.Y., 1966.
4.
Khalifa, A. M., and McCorquodale, J. A., “Radial Hydraulic Jump,” Journal of the Hydraulics Division, ASCE, Vol. 105, No. HY9, Proc. Paper 14825, Sept., 1979, pp. 1075–1078.
5.
Koloseus, H. J., and Ahmad, D., “Circular Hydraulic Jump,” Journal of the Hydraulics Division, ASCE, Vol. 95, No. HY1, Proc. Paper 6367, Jan., 1969, pp. 409–422.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 109 • Issue 4 • April 1983
Pages: 505 - 518
Copyright
Copyright © 1983 ASCE.
History
Published online: Apr 1, 1983
Published in print: Apr 1983
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