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Bojan Milovanovic, Predrag Vojt, Budo Zindovic, Vladan Kuzmanovic and Ljubodrag Savic
This paper presents a methodology for estimation of hydrodynamic loads acting on the bottom and at the walls of a stilling basin of a stepped chute with converging walls, based on the pressure measurements at the selected points of a scale model. This is...
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Quanjie Zhu, Longkun Sui, Yongming Yin, Jinhai Liu, Zhenhua Ouyang and Dacang Wang
Monitoring and providing warnings for coal mine rockburst disasters is a worldwide problem. Several rockburst accidents have occurred in a 1301 belt transport chute near a 1300 fully mechanized caving mine face. To address this issue, an empirical study ...
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Li Zhuo, Yun-Feng Hu, Ming-Li Xiao, Yu Luo, Huai-Zhong Liu, Hong-Qiang Xie and Jian-Liang Pei
The discrimination of river blockages is very important for the risk assessment of landslide disasters and secondary hazards. Experimental studies and statistical analyses were carried out to explore the formation process and discriminant criteria of riv...
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Ivan Stojnic, Michael Pfister, Jorge Matos and Anton J. Schleiss
Energy dissipators, such as stilling basins, are usually required at the toe of stepped chutes to achieve adequate and safe operation of the spillway. Stepped chute hydraulics has been extensively studied in last several decades, however, only limited kn...
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Jiangming Jia, Runze Hu, Liqun Chen, Tianlong Chen and Jianneng Chen
To solve the problem of large-sized blocks in single-process broccoli cutting, this paper proposes the design of broccoli secondary cutting equipment, in which the screening device with differential round belts, spiral attitude-adjusting mechanism, doubl...
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Shaun Whitehead
Life on Venus Expedition (LOVE) Bugs are a proposed family of miniature, featherlight probes for exploring and sensing the Venusian atmosphere. The Bugs carry tiny ThumbSat femtosatellite buses and instruments beneath balloons or flexible parawings. They...
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Muhammad Kaleem Sarwar, Muhammad Atiq Ur Rehman Tariq, Rashid Farooq, Hafiz Kamran Jaleel Abbasi, Faraz Ul Haq, Ijaz Ahmad, Muhammad Izhar Shah, Anne. W. M. Ng and Nitin Muttil
Shock waves are generated downstream of spillways during flood operations, which have adverse effects on spillway operations. This paper presents the physical model study of shock waves at the Mohmand Dam Spillway project, Pakistan. In this study, hydrau...
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Anna Bru Revert, Paul F. Beard and John W. Chew
An investigation of hot gas ingestion driven by the disc pumping effect in a chute seal was conducted at the Oxford Rotor Facility. Measurements of mean pressure, unsteady pressure and gas concentration have been logged and analysed under different opera...
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Raffaella Pellegrino, Miguel Ángel Toledo and Víctor Aragoncillo
The sky-jump spillway is an economical and effective solution to return water to a river, eventually complemented by a pre-excavated basin. However, an inappropriate design could endanger spillways and even the dam itself. For the design of a sky-jump it...
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Juan José Rebollo, David López, Luis Garrote, Tamara Ramos, Rubén Díaz and Ricardo Herrero
Energy dissipation structures play an important role in flood risk management. Many variables need to be considered for the design of these structures. Aeration has been one of the more studied phenomena over the last years, due to its influence in the p...
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