نوع مقاله : پژوهشی
نویسندگان
1 دانشجوی دکتری، دانشگاه شهید باهنر کرمان
2 دانشیار، پژوهشکده حفاظت خاک و آبخیزداری
3 دانشیار، دانشکده مهندسی شهید نیکبخت، دانشگاه سیستان و بلوچستان
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Application of the vortex settling basins is one of the methods for controlling suspended sediments in the water structures. In this paper, considering the accumulation of the sediments at the floor of the vortex settling basin during sediment extracting, curvature submerged vanes in 90o radial section were used at the floor of the vortex basin and the effect of the size of the orifice was studied on the performance of the curvature submerged vanes for sediment leaching of the floor of the basin. Experiments were performed on a physical model with a height of 90 cm and a diameter of 2.06 m and a floor slope of 10% and also three orifices were used with diameters of 59, 46 and 36 mm. The submerged vanes were placed at different arrangements. The results of the experiments indicated that the performance of the vanes in sediment extracting of the floor is primarily influenced by the orifice and the arrangements of the vanes’ placements. It was also found that sediment removal will increase 20.03% if vanes position on the floor is in the best arrangement.
کلیدواژهها [English]
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