Volume 24, Number 1 (7-2005)                   JCME 2005, 24(1): 97-119 | Back to browse issues page

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M. k. Beirami and M. Ilaghi Hoseiny. Forced Hydraulic Jump by One and Two Continuous Sills in a Horizontal Stilling Basin.. JCME. 2005; 24 (1) :97-119
URL: http://jcme.iut.ac.ir/article-1-335-en.html

Abstract:   (931 Views)
Forced hydraulic jump in a horizontal stilling basin with one and two continuous sills at the downstream end of an ogee standard weir was investigated. Experiments were completed on sills of five different heights which were fixed at two different distances from the toe of the weir. The main characteristics of the jump such as the sequent depth ratio, relative roller length, and relative energy loss were analysed. Based on the momentum equation and using an experimental coefficient, a method was adopted to predict the sequent depth ratio. Using the results of the experiments, an analytical expression was developed for the prediction of the relative roller length. These methods agree well with the writers, and other investigators, experiments. The results of experiments on one and two prolonged sills showed that by increasing the height of the sill or shortering the distance of the sill from the toe of the weir, the reduction of the sequent depth and also the roller length obtains, but the energy loss increases
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Type of Study: Research | Subject: General
Received: 2014/10/25

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