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:: Volume 11, Number 37 (7-2017) ::
jwmseir 2017, 11(37): 65-68 Back to browse issues page
Investigating the Effect of two Series Connected Vortex Settling Basins (VSBs) on the Efficiency of Sediment Extraction
Mr reza pishgar , Dr. Alireza Keshavarzi
Ph.D student Tarbiat Modares University
Abstract:   (123 Views)

The Vortex Settling Basins is one of the sediment separation methods used by researchers. In the previous researches, the geometric and hydraulic conditions of basin have been considered to maximize the efficiency. In this study, the trap efficiency of two series connected settling basins is investigated. The effect of the system inflow and the central orifice outlet discharge of basin on the removing efficiency and trapping efficiency -or efficiency- are investigated in this research. The results showed: 1( in compare with one basin, the use of two series connected settling basins increased the removing efficiency and trapping efficiency about 12% and 15%, respectively 2) the maximum efficiency was increased from 75% to 90% 3) the removing efficiency of basins is directly related with the inflow discharge and the washout flow rate (outlet discharge of basin central orifice) 4) the basin efficiency increases with increase of washout flow rate and decreases with increase of inflow discharge.

Keywords: Efficiency, Extraction, Series, Vortex Settling Basins (VSBs)
Full-Text [PDF 530 kb]   (39 Downloads)    
Type of Study: Applicable | Subject: Special
Received: 2014/08/16 | Accepted: 2015/11/14 | Published: 2017/06/28
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pishgar R, Keshavarzi A. Investigating the Effect of two Series Connected Vortex Settling Basins (VSBs) on the Efficiency of Sediment Extraction . jwmseir. 2017; 11 (37) :65-68
URL: http://jwmsei.ir/article-1-368-en.html
Volume 11, Number 37 (7-2017) Back to browse issues page
مجله علوم ومهندسی آبخیزداری ایران Iranian Journal of Watershed Management Science and Engineering
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