Effect of Hydraulic and Geometrical Parameters of Skimming Wall on Controlling Sediment Entering Lateral Intakes Using Harmony Search Algorithm
سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 112
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شناسه ملی سند علمی:
JR_ARCE-4-4_005
تاریخ نمایه سازی: 1 خرداد 1402
چکیده مقاله:
In this article, the control over the inlet sediment into the lateral intakes incorporating parallel skimming walls is assessed using harmony search algorithm. The skimming walls are known as the structures constructed in front of the lateral intake and consisted of two plates, one of them is in oblique form and the other one is parallel to the flow. The parallel skimming walls direct the sediments toward the downstream of the main channel by forming a rotational flow, as a result the entry of sediments into the lateral intake is prevented. Using the experimental data obtained in the laboratory and Buckingham’s method, the dimensionless parameters were obtained. The parameters were nonlinearly transformed into the relations, in such a way that using harmony search algorithm almost ۲۰,۰۰۰ optimal points were obtained. In the present research, the relations between the dimensionless parameters were yielded by harmony search algorithm. The results indicate that the optimized maximum and minimum and mean values of CS۱ for governing equations is equal to ۱۷%, ۳۱% and ۲۹%, respectively, relative to the observational maximum, minimum and mean values of CS۱. For governing equation, the optimized maximum, minimum and mean values of CS۲ exhibited error values of ۱۱%, ۴% and ۳۱% relative to the observational maximum, minimum and mean value of CS۲.
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نویسندگان
Bahador Fatehi-Nobarian
Department of Civil Engineering of Hydraulic Structures, IAU, Aras Branch, Jolfa , Iran.
Sadegh Farshidnia
Ph.D. of Civil Engineering of Hydraulic Structures -Associate Member of IRCOLD
Mojtaba Saneie
Associate Professor, Soil Conservation and Watershed Management Research Institute, (SCWMRI), Agricultural Research, Education and Extension, Organization (AREEO)
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