V. I. Bukreev, V. V. Degtyarev, A. V. Chebotnikov, “Discharge and energy-loss coefficients in flow through a breach in a trapezoidal dam”, Prikl. Mekh. Tekh. Fiz., 2008, Volume 49, Issue 1,Pages <nobr>68

This article is cited in 4 papers

Discharge and energy-loss coefficients in flow through a breach in a trapezoidal dam

V. I. Bukreev^a, V. V. Degtyarev^b, A. V. Chebotnikov^b

^a Lavrent’ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090
^b Novosibirsk State University of Architecture and Building, Novosibirsk, 630008

Abstract: The paper presents experimental data on the discharge and energy-loss coefficients for two weirs of polygonal profiles with lateral contraction, which are required, in particular, in simulations of partial dam-break waves. It is shown that the values of these coefficients for a trapezoidal weir with a slope ratio of 1: 3 differ insignificantly from their values for a rectangular weir.

Keywords: dam-break waves, breach, discharge and energy-loss coefficients.

UDC: 532.532.+532.59

Received: 22.09.2006
Accepted: 20.08.2007