Azin Amini

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Innovative methods to release fine sediments from reservoirs developed at EPFL, Switzerland

Anton Schleiss, Giovanni De Cesare, Pedro Filipe De Almeida Manso, Azin Amini, Sabine Chamoun

Electricity generation, water supply, flood protection, flow regulation and navigation are amongst the main services provided by reservoirs. Sedimentation affects the sustainability of reservoirs, by reducing their storage capacity, and increases the negat ...

2019

Roll-up region of tip vortex: numerical investigation

Mohamed Farhat, Azin Amini, Matthieu Dreyer, Ali Amini, Martino Reclari

The appearance of gas-filled vortices at the tip of hydraulic machines blades is usually associated with increase of losses, vibrations, noise and erosion risk. The understanding of the roll-up region, where the boundary layer on the pressure side crosses ...

IOP PUBLISHING LTD2019

Anatomie d’un coude

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

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

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

Anton Schleiss, Giovanni De Cesare, Azin Amini, Arianna Yadira Onate Paladines

2019

A universal formula for generalized cardinal B-splines

Michaël Unser, Azin Amini, Ramtin Madani

2018

Innovative methods to release fine sediments from seasonal reservoirs

Anton Schleiss, Giovanni De Cesare, Pedro Filipe De Almeida Manso, Azin Amini, Sabine Chamoun, Sebastián Guillén Ludeña

The papers present three innovative solutions for fine sediment manage- ments in seasonal reservoirs, which are at different stages of maturity. Operational reservoir stirring using jet-like inflows may facilitate sediment routing, at no addi- tional cost ...

CRC Press/Balkema2018

Kariba plunge pool rehabilitation

Anton Schleiss, Giovanni De Cesare, Azin Amini, Ivan Stojnic, Claudia Ylla Arbos

The Kariba Dam is a 128 m high arch dam located on the Zambezi River, between Zambia and Zimbabwe. It forms the Kariba lake, with a surface of 5400 km2 and a capacity of 185 km3. In the 20 years following dam construction, heavy rainfalls required frequent ...

2018

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

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

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

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

Anton Schleiss, Azin Amini, Yannick Fessler, Nicolas Schmid

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

Computational hydraulic modelling of fine sediment stirring and evacuation through the power waterways at the Trift reservoir

Anton Schleiss, Pedro Filipe De Almeida Manso, Azin Amini, Célestin Leupi, Sara Venuleo

Taking advantage of the withdrawal of some glaciers, several new dams will eventually be constructed in Switzerland in the coming years as a part of the 2050 energy strategy. The Trift dam, located in Berner Oberlands in Switzerland, is one of these new pr ...

2017

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Computational hydraulic modelling of fine sediment stirring and evacuation through the power waterways at the Trift reservoir

Anton Schleiss, Pedro Filipe De Almeida Manso, Azin Amini, Célestin Leupi, Sara Venuleo

2017

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

Anton Schleiss, Azin Amini, Yannick Fessler, Nicolas Schmid

2018