Volume 27, Issue 4 (Winter 2023)
jwss 2023, 27(4): 1-20 |
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Barani S, Zeinivand M, Ghomeshi M. Experimental Study of discharge - head Flow Rate Relation through Combined Structure Sharp Crested Rectangular Weir with Multiple Square Orifice. jwss 2023; 27 (4) :1-20
URL: http://jstnar.iut.ac.ir/article-1-4353-en.html
URL: http://jstnar.iut.ac.ir/article-1-4353-en.html
Shahid Chamran University of Ahvaz , dr.mehdi.zeinivand@gmail.com
Abstract: (542 Views)
In this study the effect of orifice number and dimensions in combined structure sharp crested rectangular weir with multiple square orifice was investigated. For this propose, some experiments in different flow rate, different orifice number and dimensions were done. The results showed that by different orifice numbers and dimensions, flow discharge increased at the same upstream flow head. This increasing trend was observed in all numbers and dimensions of the investigated experiments. The analysis of the quantitative results showed that by increasing the number of orifices, the discharge rate through the combined structure of weir-orifice was increased on average 2.06 liters per second and by increasing each centimeter of orifice dimensions, the discharge was increased by 2.82 liters per second. Also by calculating the percentage of flow rate increase, it was observed that by adding the orifice number, it increases by 18.7% and by increasing the size of the orifice by one centimeter, the flow rate increases by 28.1%.
Keywords: Sharp Crested Weir, Discharge - Head, Discharge Coefficient, Combined Weir, Lower Multiple Orifice.
Type of Study: Research |
Subject:
Ggeneral
Received: 2023/05/20 | Accepted: 2023/08/12 | Published: 2023/12/31
Received: 2023/05/20 | Accepted: 2023/08/12 | Published: 2023/12/31
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