Volume 22, Issue 3 (Fall 2018)                   JWSS 2018, 22(3): 55-70 | Back to browse issues page

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Gravandi E, Kamanbeadst A, Masjedi A R, Heidarnejad M, Bordbar A. Laboratory Investigation of the Impact of Armor Dike Simple and L-shaped in Upstream and Downstream Intake of the Hydraulic Flow River and Intake Flow Rate. JWSS. 2018; 22 (3) :55-70
URL: http://jstnar.iut.ac.ir/article-1-3487-en.html
2. Department of Water Science and Engineering, Ahwaz Branch, Islamic Azad Univ. (IAU), Ahwaz, Iran. , ka57_amir@yahoo.com
Abstract:   (4455 Views)
Rivers has long been regarded as one of the most basic human water supplies. If the topography, a morphology, water requirements conditions, etc. allow water to be transferred to gravity, the use of the dike can have a significant impact on the flow rate and the sediment input to Intake. Dike design needs to consider several parameters such as position, length, type, etc. Using a good design can increase the input flow rate and reduce the sediment entering it. In this study, to evaluate the dike impact on flow hydraulic conditions in the Intake with different situations, 30, 45, 60 and 90 degrees two simple L-shaped dikes in the upstream and downstream Intake and for five inlet flows (0.7, 1.12, 2.84, 5.04 and 6.23 Lit/s) were considered in the laboratory flume made by the author as a physical model to simulate the flow of the basin; then different effects of the dike on the hydraulic flow were studied. The results of the tests showed that the L-shaped dike in the upstream and downstream Intake in the internal arc flume increased the inflow flow rate into the Intake. Also, the best angle of deviation for the maximum flow entered the Intake angle of 60 degrees.
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Type of Study: Research | Subject: Ggeneral
Received: 2017/03/16 | Accepted: 2017/09/16 | Published: 2018/11/15

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