Sediment Extraction and Flow Structure of Vortex Settling Basin

سال انتشار: 1390
محل انتشار: ششمین کنگره ملی مهندسی عمران
کد COI اختصاصی: NCCE06_0717
زبان مقاله: انگلیسی
تعداد مشاهده: 2300

نویسندگان

Post Graduate Student, Hyd. Structures, Dept. of Irrigation Eng., Faculty of agricultural technology and engineering, UTCAN, University of Tehran, Iran

J. Farhoudi

Professor, Hyd. Structures, Dept. of Irrigation Eng., Faculty of agricultural technology and engineering., UTCAN, University of Tehran

چکیده

The paper presents the results of an investigation conducted in a vortex chamber and the flow structure along with sediment extraction efficiency were observed. During the experiments, various flow discharges were employed. Three sizes of sediment were fed at three different rates. It was observed that the increase in the flow and sediment feeding rates result in the increase of sediment extraction efficiency of the settling basin. An ADV velocity measuring equipment was utilized to determine flow structure inside the settling basin. It was also found that various types of flow patterns were developed in radial sections which may play a positive or negative role in sediment trapping process

کلیدواژه ها

Sediment extraction; vortex chamber; extraction efficiency; flow structure

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