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Discharge Measurement in Rectangular Channels Using Portable Prisms | ||
| Engineering and Technology Journal | ||
| Volume 25, Issue 3, 2007, Pages 132-142 PDF (381.64 K) | ||
| DOI: 10.30684/etj.25.3.11 | ||
| Authors | ||
| عبد الستار يونس الدباغ; انعام علي جاسم جمعه | ||
| Abstract | ||
| Discharge measurement in open channels has a great importance in water resources management. Many types of discharge measurement devices appeared, with differences in view of their technical performance and precision. From these devices there are the critical depth flumes. In the present research, a portable prism was tested for measuring discharges in rectangular channels. The prism is positioned in the middle of the channels so that a critical flow is created. Five models of prisms were used, each of which has been examined for both free flow and submerged flow conditions. Under free flow conditions, the prism showed a high accuracy in measuring discharges and there is a good agreement between calculated and measured discharges. Under submerged flow conditions, the prism showed a good performance and acceptable accuracy. | ||
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