Experimental Investigation of the Flow Control of Wake Cylinder by a Plate with Different Geometrical Ends
Publish place: International Journal of Advanced Design and Manufacturing Technology، Vol: 9، Issue: 2
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ADMTL-9-2_001
تاریخ نمایه سازی: 18 اردیبهشت 1400
Abstract:
An experimental study was carried out on the wake of a cylinder on the back of which a plate is installed parallel to the fluid flow, with different terminal angles, where the Reynolds number is ۵۰۰۰۰. At the end of the plate, blades with the height of ۰.۲۵ equal to the cylinder diameter and with ۴۵, ۹۰ and ۱۳۵ degrees angle from the horizon, are installed where the cylinder diameter is equal to the plate length. The plate effects on the variation of drag coefficient, medium velocity profiles, reduced velocity, half of the entrance, turbulence intensity and Strouhal number are investigated. The results showed that the drag coefficient for cylinder including the plate, regardless of the end angle, is smaller than the isolated cylinder. The existence of a plate with a terminal angle of ۴۵ degree led to more reduction in drag coefficient of the cylinder.
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Authors
A.B. Khoshnevis
Department of Mechanical Engineering, University of Hakim Sabzevari, Iran
AmirReza Mamouri
Engineering Faculty, Eshragh Institute of higher Education, Bojnourd, Iran
AmirReza Mamouri
Engineering Faculty, Eshragh Institute of higher Education, Bojnourd, Iran
V. Barzenoni
Department of Mechanical Engineering, University of Hakim Sabzevari, Iran
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