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Characteristics Of The Rectangular Free Overfall
Journal of Hydraulic Research/De Recherches Hydrauliques, 1968(1968). Characteristics Of The Rectangular Free Overfall. Journal of Hydraulic Research: Vol. 6, No. 3, pp. 233-258.
N. Rajaratnam, D. Muralidhar
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Free overfall from circular channels with flat base
Journal of Hydraulic Research/De Recherches Hydrauliques, 2005This paper presents a comparative study between the results obtained from the mathematical model and the experimental data of free overfall in circular channels (with and without flat base), following statistical and error analyses of data to ascertain the adequacy of the mathematical model.
Subhasish Dey
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Journal of Hydraulic Research/De Recherches Hydrauliques, 1970
N. Rajaratnam, D. Muralidhar
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N. Rajaratnam, D. Muralidhar
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Journal of the Hydraulics Division, 1968
For the horizontal rectangular free overfall, in 1936 Rouse found that the end depth, y e , is equal to 0.715 times the critical depth, y c . Later Delleur, Dooge, and Gent found that, in general, y e /y c is a function mainly of the relative slope, S o /S c , in which S o = the bed slope, and S c = the critical slope.
Nallamuthu Rajaratnam +1 more
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For the horizontal rectangular free overfall, in 1936 Rouse found that the end depth, y e , is equal to 0.715 times the critical depth, y c . Later Delleur, Dooge, and Gent found that, in general, y e /y c is a function mainly of the relative slope, S o /S c , in which S o = the bed slope, and S c = the critical slope.
Nallamuthu Rajaratnam +1 more
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Sediment Concentration below Free Overfall
Journal of Hydraulic Engineering, 1994Timevarying sediment concentration exiting a plunge pool is analyzed by considering the effect of freeoverfall jet diffusion on sediment detachment and scour.
O. R. Stein, P. Y. Julien
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Experimental Study on a Plane Free Overfall
World Environmental and Water Resources Congress 2008, 2008This paper deals with the analysis of collected experimental data on free overfall in sub-critical and super-critical flow conditions, using the analytical and empirical approaches available by the technical literature. The aim is to provide new informations and tools useful to design correctly a single drop hydraulic structure.
RENNA F. M +3 more
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DISCHARGE PREDICTION AT FREE OVERFALLS
ISH Journal of Hydraulic Engineering, 2001ABSTRACT The paper presents a discharge predictor based on known brink depth at free overfalls irrespective of the channel geometry. The brink-discharge relations proposed in the present study enable the estimation of discharge with a reasonable degree of accuracy.
P. Mallikarjuna, P. Munireddy
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Free-Vortex Theory Applied to Free Overfalls
Journal of the Hydraulics Division, 1972When the flow from an open channel is discharged freely into the air, the depth at the brink can be often closely correlated with the flow rate. Free-vortex velocity distribution and curvature are used to simulate the flow at the brink of smooth horizontal channels of various cross sections.
Kamil H. M. Ali, Ann Sykes
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Flow Measurement with Trapezoidal Free Overfall
Journal of Irrigation and Drainage Engineering, 1989The trapezoidal free overfall is analyzed by the onedimensional momentum equation, including an assumed pressure distribution at the brink.
Robert J. Keller, Soon S. Fong
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Inviscid Solution for the Problem of Free Overfall
Journal of Applied Mechanics, 1979The flow problem of free overfall has been examined through hodograph transformations. It has been found that even with strong influence of the gravitational field, the stream function can be solved in the hodograph plane through numerical calculations.
Chow, W. L., Han, T.
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