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Anton Schleiss

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Publications associées (470)

New lakes in deglaciating high-mountain regions – opportunities and risks

Anton Schleiss

In connection with the ongoing disappearance of glaciers in cold mountains, a great number of new lakes come into existence. The sites and approximate formation time of such potential new lakes can be realistically modelled. This provides an important know ...

Springer Verlag2016

Head loss coefficient through sharp-edged orifices

Giovanni De Cesare, Anton Schleiss, Cécile Münch-Alligné, Nicolas Jean François Pascal Ghislain Adam

Nowadays, high-head power plants could increase their installed power capacity for many reasons, e.g. dam heightening, increase of their peak power capacity or refurbishment with new turbines. Frequently, due to several considerations, e.g. topographical o ...

2016

Approaches to reduce friction losses in headrace waterways of hydropower plants

Anton Schleiss, Michael Pfister, Helena Isabel Dos Santos Nogueira

Forum papers are thought-provoking opinion pieces or essays founded in fact, sometimes containing speculation, on a civil engineering topic of general interest and relevance to the readership of the journal. The views expressed in this Forum article do not ...

Asce-Amer Soc Civil Engineers2016

Reservoir sedimentation

Giovanni De Cesare, Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca, Carmelo Juez Jiménez

Artificial water storage, originated by the construction of dams, is essential for the sustainable health and welfare of civilizations since it supplies water for human consumption, irrigation and energy production. Furthermore, dam reservoirs are used for ...

Taylor & Francis Ltd2016

New parametric equations to estimate notch stress concentration factors at butt welded joints modeling the weld profile with splines

Anton Schleiss, Pedro Filipe De Almeida Manso, Alexandre Jean Pachoud

For fatigue life estimation as well as for fatigue testing analysis of welded structures by local stresses approaches, the stress concentration factor (SCF) at the weld must be known. Full penetration butt welded joints are extensively used in steel struct ...

Elsevier2016

Experimental study on the flow characteristics of unstructured block ramps

Anton Schleiss, Markus Studer

Taylor & Francis Ltd2016

Velocity profiles of turbidity currents flowing over a flat bed

Giovanni De Cesare, Anton Schleiss, Sabine Chamoun

Turbidity currents are the main source of suspended sediment transport in reservoirs and thus one of the main causes of sedimentation. One of the techniques used to avoid reservoir sedimentation is through venting of turbidity currents. In the framework of ...

2016

Example of wave impact on a residential house

Anton Schleiss, Michael Pfister, Davide Wüthrich

Waves impacting against structures can create damages and devastation. This topic regained interest after some recent catastrophic events and the present paper investigates the main phases of a wave impacting against a residential house commonly observed i ...

2016

Study of the effects of a distanced retention basin combined with an open check dam on a physical model

Giovanni De Cesare, Anton Schleiss, Sebastian Schwindt

2016

Talsperren und Speicher als lebenswichtige Infrastrukturanlagen für den weltweiten Wohlstand = Dams and Reservoirs as Vital Water Infrastructures Ensuring Worldwide Economic Prosperity

Anton Schleiss

History shows that the economic prosperity of a society and its cultural wealth was always closely related to the level of the development of the hydraulic schemes, including dams and reservoirs. In view of climate change, dams and reservoirs will and have ...

2016

Experimental characterization of a five blade tubular propeller turbine for pipe inline installation

Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca, Cécile Münch-Alligné, Vlad Hasmatuchi, Irene Almeida Samora

The interest in micro-hydropower in existing infrastructure is increasing since this is a technology with low environmental impacts and potential for energy recovery in different types of installation. The technologies available for these schemes are still ...

Elsevier2016

Wall-Roughness Effects on Flow and Scouring in Curved Channels with Gravel Beds

Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca

Due to a complex three-dimensional flow pattern, the outer banks of river bends are predisposed to erosion. When endangering civil structures, preventing measures to mitigate this erosion are thus required. Vertical ribs at protection walls for scour reduc ...

Asce-Amer Soc Civil Engineers2016

Dynamic response of an embedded block impacted by aerated high-velocity jets

Anton Schleiss, Rafael Xavier Meriade Duarte

Uplift of blocks from the rock mass at the bottom of plunge pools is the main process of the scouring phenomenon caused by high-velocity jet impact. Although the influence of water and rock on dynamic block ejection has been investigated, no systematic res ...

Taylor & Francis Ltd2016

Redesigning Water Distribution Networks Using a Guided Evolutionary Approach

Anton Schleiss, José Pedro Gamito de Saldanha Calado Matos

The paper describes and discusses the application of a guided evolutionary approach for the optimization of water distribution networks. Initially developed for the Battle of the Water Networks II (BWN-II), the approach was adapted and improved for competi ...

American Society of Civil Engineers2016

Release of suspension particles from a prismatic tank by multiple jet arrangements

Giovanni De Cesare, Jolanda Maria Isabella Jenzer Althaus, Anton Schleiss

The performance of circular and linear jet arrangements on the release of suspended sediment out of a prismatic tank has been investigated. Experiments conducted are (1) without any forced jet stirring (reference case), (2) four jets arranged in a horizont ...

Elsevier2016

A parametrical study on secondary flow in sharp open-channel bends: experiments and theoretical modelling

Koen Blanckaert, Anton Schleiss, Joris Heyman

The dependence of curvature-induced secondary flow on the curvature ratio H/R (H is the average flow depth and R is the centreline radius of curvature), the Froude number Fr, and the dimensionless roughness coefficient Cf was systematically investigated in ...

Elsevier Science Bv2016

Effect of deflector aerator on stepped spillway flow

Anton Schleiss, Stéphane Christian Olivier Terrier, Michael Pfister

Systematic physical model tests are performed on a stepped spillway equipped with a bottom aerator at the beginning of the stepped part. A deflector is used to issue a jet in order to initiate air entrainment into the flow. A horizontal slot located in the ...

2016

Managing reservoir sedimentation by venting turbidity currents: A review

Giovanni De Cesare, Anton Schleiss, Sabine Chamoun

Reservoir sedimentation is an issue that dam operators are increasingly facing as dams are aging. Not only does it reduce a reservoir's capacity but it also affects its outlet structures such as bottom outlets and powerhouse intakes. Sedimentation may also ...

Irtces2016

Hydraulic scaled model tests for the optimization of approach channel excavation and approach flow conditions of haraz morning glory spillway

Anton Schleiss

Haraz dam under construction is located along Tehran-Amol road, 20 km upstream of the Amol city. A tunnel has been designed to detour the traffic temporarily around the dam site to avoid any closure of the main road. This tunnel will be integrated in the m ...

South African National Committee on Large Dams (SANCOLD)2016

Experimental investigation on turbidity current venting under restrained outflow discharges

Giovanni De Cesare, Anton Schleiss, Sabine Chamoun

Reservoir sedimentation is a worldwide problem affecting sustainable storage use as well as sediment transport downstream of dams. Various techniques are applied for sediment mitigation, among which, venting of turbidity currents. This paper reviews, discu ...

2016

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