2005
DOI: 10.1007/s10697-005-0114-4
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On the Water Depth in the Breach during a Partial Dam Break

Abstract: Theoretical and experimental data which make it possible to find the flow-rate, momentum and energy of the fluid that enters the lower pool after a discontinuity breakdown (dam break) in a rectangular channel with an even bottom, a step (sharp downstream rise in the bottom), a shelf (sharp drop in the bottom), and a threshold on the bottom are presented.

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Cited by 5 publications
(8 citation statements)
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“…The experiments performed in [8,9] and in the present study show that partial dam-break waves can be of the same types (A, B, and C) as those resulting from a dam break above a drop. Below, this is used in extension of theory [11,12].…”
supporting
confidence: 57%
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“…The experiments performed in [8,9] and in the present study show that partial dam-break waves can be of the same types (A, B, and C) as those resulting from a dam break above a drop. Below, this is used in extension of theory [11,12].…”
supporting
confidence: 57%
“…Below, the dam-break wave is primarily considered. The upstream wave needs to be studied in greater detail because, according to experimental data [8,9], the shape of this wave is more complex than that in the first shallow-water approximation.…”
mentioning
confidence: 99%
“…The theory of [1] assumes that after dam break, the flow in the vicinity of the breach rapidly becomes steady-state. Experiments [3,4] have supported this assumption. Therefore, in calculations using the method proposed in [1], it is sufficient to know the discharge coefficient for steady-state flow through a weir in the form of a breach.…”
mentioning
confidence: 72%
“…Only the discharge and energy-loss coefficients are considered. Some information on the free-surface level established ahead of a rectangular breach after a partial dam break is given in [3,4]. Experimental data on the discharge coefficient of a rectangular weir is contained in [5].…”
mentioning
confidence: 99%
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