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Related publications (48)

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Three-Dimensional Numerical Modelling of Al-Salam Storm Water Pumping Station in Saudi Arabia

Azin Amini, Azad Koliji

The Al-Salam Pump Station will be constructed in the framework of Jeddah Storm water Masterplan (JSWM) in Saudi Arabia. The station discharges the incoming flow from the Al-Salam storm tunnel to the Red Sea. Its structure includes a circular deep wet well ...

IAHR2022

Characterization of the hydrodynamic behavior of surge shaft's orifices in SNOWY 2.0 power plant

Giovanni De Cesare, Azin Amini, Samuel Luke Vorlet

The Snowy 2.0 project is a large-scale pumped storage facility located in the Snowy Mountains in the SouthEastern part of New South Wales (Australia). It is an extension of the existing Snowy scheme, linking Tantangara (upper) and Talbingo (lower) reservoi ...

ETH2024

Investigation of venting turbidity currents in the Rudbar-Lorestan reservoir in Iran

Anton Schleiss, Giovanni De Cesare, Azin Amini, Sabine Chamoun, Sara Venuleo

Venting of turbidity currents is known as an efficient measure to prevent reservoir sedimentation and is applied in many reservoirs globally. It has several economic and ecological advantages compared with other evacuation methods. In the literature, numer ...

2017

Physical and numerical model studies of the Martigny bend as part of 3rd correction of the Rhone River

Giovanni De Cesare, Azin Amini, Stéphanie Joëlle André, Jean-Noël Saugy

The 3rd correction of the Rhone River (R3) is the largest flood protection project in Switzerland so far. Covering a length of 162 km, it aims to protect some 100,000 people and prevent flood damages, which could raise up to 10 billion CHF for major events ...

CRC press2020

Effect of spilling from adjacent orifices on the velocity field and pressures in front of needle stop-logs

Giovanni De Cesare, Azin Amini, Ivan Stojnic, Cédric Bron

In this study, the effect of spilling from neighboring sluice gates on stop-logs was experimentally investigated on a 1:65 physical scale model comprised of a double arch dam, a reservoir area, six spillway orifices and two stop-logs. Two types of measurem ...

2018

Hydraulic analysis of Snowy 2.0 pumped storage facilities using hybrid models: validating performance and anti-vortex measures

Giovanni De Cesare, Azin Amini, Eugenio Mazzocchi

Abstract: Within the framework of the Snowy 2.0 large-scale pumped-storage facility project in Australia, hybrid experimental and numerical modeling of Tantangara (upper reservoir) and Talbingo (lower reservoir) intake/outlet structure were carried out. Th ...

2024

River morphology and sediment transport processes numerical modeling applied to the fluvial environment of the Rhône River in Valais

Giovanni De Cesare, Azin Amini, Jean-Noël Saugy

Within the frame of the Third Rhône Correction, the river bend in Martigny is considered a top priority measure for flood protection. During the preliminary project, physical and numerical modeling tests were considered necessary. For the latter, the softw ...

International Research Society INTERPRAEVENT2021

Exploring the efficacy of reservoir fine sediment management measures through numerical simulations

Giovanni De Cesare, Azin Amini, Samuel Luke Vorlet, Montana Marshall

Reservoir sedimentation is one of the main challenges in the sustainable operation of large reservoirs because it causes volume loss, affecting hydropower production capacity, dam safety, and flood management. To ensure the sustainability of deep reservoir ...

CRC Press/Balkema2023

Comprehensive numerical simulations of sediment transport and flushing of a Peruvian reservoir

Anton Schleiss, Giovanni De Cesare, Azin Amini, Philippe Heller

Numerical modeling of sediment transport in reservoirs, especially for sudden events such as flushing, is still a challenging research topic. In the present study, sediment transport and sediment flushing are simulated for a Peruvian reservoir. Situated in ...

CRC Press/Balkema2014

Numerical Modeling Of Oil-Water Multiphase Flow Contained By An Oil Spill Barrier

Anton Schleiss, Azin Amini

To enhance the understanding of hydrodynamics of oil spill containment booms, numerical simulations of different booms were carried out using the state-of-the-art Computational Fluid Dynamics program, FLUENT. Single and double barriers containing oil over ...

2009

Improvement of EIA methods for large reservoirs by using network thinking analysis approach: a case study of Azad dam, Iran

Anton Schleiss, Azin Amini

Dam construction and large reservoir projects are essential for sustainable economic developments especially in developing countries like Iran. Such big projects, could have major social and environmental impacts. At this point, Environmental Impact Assess ...

2018

Optimal Interpolation Laws for Stable AR(1) Processes

Michaël Unser, Azin Amini

In this paper, we focus on the problem of interpolating a continuous-time AR(1) process with stable innovations using minimum average error criterion. Stable innovations can be either Gaussian or non-Gaussian. In the former case, the optimality of the expo ...

SampTA2013

Assessment of wave risk for Swiss lakes: Numerical simulation of waves of different return periods

Azin Amini, Philippe Heller

2016

Third correction of the Rhône River in Switzerland: physical and numerical modelling of the “Martigny bend” priority measure

Giovanni De Cesare, Azin Amini, Stéphanie Joëlle André, Irene Almeida Samora, Pierre Bourqui, Jean-Noël Saugy

The Rhône River, second largest in Switzerland, has already been corrected twice (1863-1893; 1930-1960) to ensure safety and economic development in the Rhône valley. However, in October 2000, the highest flood of the century occurred showing the limitatio ...

International Research Society INTERPRAEVENT2021

Behavior of rigid and flexible oil barriers in the presence of waves

Anton Schleiss, Azin Amini

Although oil barriers have been used for many years to contain slicked oil in open seas, the effect of waveson them has been rarely considered. In the present study, we investigated the response of rigid and flexible oil containment barriers in the presenc ...

2009

Anatomie d’un coude

Giovanni De Cesare, Azin Amini, Jean-Noël Saugy, Raphaël Sprenger

À Martigny, le Rhône prend un virage à 90 degrés vers le nord-ouest. Un changement de cap qui influence fortement la dynamique du fleuve, surtout en période de crue. Afin de mieux en connaître les effets, la Plateforme de constructions hydrauliques de l’EP ...

espazium2019

Velocity profiles and interface instability in a two-phase fluid: investigations using ultrasonic velocity profiler

Anton Schleiss, Giovanni De Cesare, Azin Amini

In the present study the velocity profiles and the instability at the interface of a two phase water-oil fluid were investigated. The main aim of the research project was to investigate the instability mechanisms that can cause the failure of an oil spill ...

Springer-Verlag2009

Experimental investigations on plunge pool protection measures for Ilarion Dam in Greece

Anton Schleiss, Giovanni De Cesare, Azin Amini, Romain Nathan Hippolyte Merlin Van Mol

Ilarion Dam is a 130 m high earthfill dam at Aliakmon River in northern Greece. The dam was commissioned in 2010. It has two spillway tunnels with ski jumps at the outlets. The two spillways are designed to release a total discharge of 5'500 m3/s during th ...

2022

Short-and-long-term storage volume recovery in a reservoir using a combined mixing-dredging device

Anton Schleiss, Giovanni De Cesare, Azin Amini

2019

Droplet Entrainment and Slick’s Characteristics in the Oil Retained by a Flexible Spill Barrier

Anton Schleiss, Erik Bollaert, Azin Amini

2007