Results 1 to 10 of about 140 (88)
Analysis of Energy Dissipation of Interval-Pooled Stepped Spillways [PDF]
Entropy, 2022 The water flow characteristics over an interval-pooled stepped spillway are investigated by combining the renormalization group (RNG) k-ε turbulence model with the volume of fluid (VOF) interface capture technique in the present study.
Xin Ma, Jianmin Zhang, Yaan Hu
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Effect of Height and Geometry of Stepped Spillway on Inception Point Location
Applied Sciences (Switzerland), 2019 Air entrainment in a stepped spillway is very important to protect the spillway from cavitation damage. The inception point is the location where air starts entering the non-aerated flow zone. The inception point location depends on different parameters,
Wuyi Wan, Wan Wuyi, Chen Xiaoyi
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Hydraulic performance of a pre-aerated stilling basin: Experimental study. [PDF]
PLoS ONESpillway chutes are critical in dam flood control, particularly in high dams where high water heads and large discharge in narrow canyons amplify the demand for safe discharging. For large unit discharges in spillways, aeration protection is essential to
Yu Zhou +6 more
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The inception point of flow aeration on a rough stepped spillway [PDF]
هیدرولیک, 2023 Stepped spillways are used in hydraulic engineering projects such as small and large dams. The inception point of aeration on such hydraulic structures is essential in determining the zones of single and two-phase flow.
عباس پارسائی +2 more
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Influence of Aeration Threshold on Performance of Stepped Spillway
Guan'gai paishui xuebao, 2023 【Background and Objective】 Flood control is a primary task in water conservancy hubs, especially hydropower stations. Many hydropower projects in western China are characterized by high water head, large discharge, and narrow river valleys.
LI Xiaochao +5 more
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Journal of Hydroinformatics, 2022 The stepped spillway is a cost-effective hydraulic structure to dissipate the energy of large water flow over the spillway of a dam. In this study, the focus was placed on the effects of triangular prismatic elements (TPEs) on the hydraulic performance ...
Kiyoumars Roushangar +2 more
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Applied Sciences, 2022 In this study, curved risers stepped spillways models based on the increasing angle of suspension were tested to check for improvement in energy dissipation and pressure distributions.
Najam us Saqib +6 more
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Evaluation the Hydraulic Aspects of Stepped Labyrinth Spillway [PDF]
Engineering and Technology Journal, 2014 This study was adopted a new concept to enhance performance of stepped spillway towards more dissipation of kinetic energy along chute face through increases interlocking surface areas between the mainstream and trapping cavity recirculation vortices on ...
Jaafar Sadeq Maatooq, Taha Yaseen Ojaimi
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Effect Of Pooled and Flat Stepped Spillway on Energy Dissipation Using Computational Fluid Dynamics
Tikrit Journal of Engineering Sciences, 2022 The goal of this research was to determine the impact of a pooled and flat stepped spillway on energy losses. FLOW3D, which is a computational fluid dynamics (CFD) program, with mesh size of 0.015 mm was used for this purpose. First, the code was tested
Shawnm Mudhafar Saleh +2 more
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The Study of Hydraulic Properties of Quarter-Circular Crested Stepped Spillway [PDF]
علوم و مهندسی آبیاری, 2020 In this paper, the quarter-circular crested stepped spillway (QCSS) is introduced and its hydraulic properties including the discharge coefficient (Cd) and energy dissipation of flow are investigated.
Abbas Parsaie +3 more
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