Testing the stage-discharge relationship of a sharp crested sluice gate deduced by the momentum equation for a free-flow condition

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Abstract

In this paper the stage-discharge relationship of a sharp crested sluice gate is deduced by applying the momentum equation for a free flow condition. The theoretically deduced stage-discharge formula was then calibrated using experimental flume data obtained in previous investigations carried out for a free-flow condition. The deduced stage–discharge relationship is characterized by a momentum coefficient which is empirically estimated by the ratio between the height of the orifice and the water depth in the section upstream the gate. The relative errors are always less than or equal to - 10% to +10% and 71.4% of the errors are less than or equal to ± 2%.
Original languageEnglish
Pages (from-to)14-17
Number of pages4
JournalFlow Measurement and Instrumentation
Volume63
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Instrumentation
  • Computer Science Applications
  • Electrical and Electronic Engineering

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