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Publications associées (28)

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Isothermal transcritical CO2 cycles with TES (thermal energy storage) for electricity storage

Daniel Favrat

Recently, TEES (thermo-electric energy storage) systems have been proposed as a new method for large-scale energy storage wherein electric power is stored as thermal energy by using a heat pump and retrieved from the TES (thermal energy storage) by using a ...

Elsevier2013

Effects of uniaxial stress on alkali-silica reaction induced expansion of concrete

Karen Scrivener, Cyrille Dunant

ASR affected concrete in real structures is usually subject to loads which affect the macroscopic expansion of the material. An experimental study was undertaken using sensors embedded in reactive and non-reactive samples loaded on modified creep frames. N ...

Pergamon-Elsevier Science Ltd2012

Novel concepts of compressed air energy storage and thermo-electric energy storage

Young Min Kim

The interest in energy storage is currently increasing, especially from the perspectives of matching intermittent sources of renewable energy with customer demand and storing excess nuclear or thermal power during the daily cycle. Technologies to be consid ...

EPFL2012

Investigation of Sulfate Attack by Experimental and Thermodynamic Means

This work investigates sulfate attack in complex sulfate environments by exposing different binder types to various sulfate solutions and comparing predicted phase and volume changes with experimental data. The most important aspects of this work can be gr ...

EPFL2012

Global simulations of tokamak microturbulence: finite beta effects and collisions

Laurent Villard, Stephan Brunner, Trach-Minh Tran, Alberto Bottino, Sébastien Jolliet, Ben McMillan, Thibaut Vernay

In this paper, we present global nonlinear gyrokinetic simulations including finite beta effects and collisions in tokamak geometry. Global electromagnetic simulations using conventional delta-f particle in cell methods are very demanding, with respect to ...

Institute of Physics2011

Unified cluster expansion method applied to the configurational thermodynamics of cubic Ti1-xAlxN

Alireza Karimi

We study the thermodynamics of cubic Ti1-xAlxN using a unified cluster expansion approach for the alloy problem. The purely configurational part of the alloy Hamiltonian is expanded in terms of concentration- and volume-dependent effective cluster interact ...

2011

Heat and spin transport in magnetic nanowires

Jean-Philippe Ansermet, Haiming Yu, Simon Granville

Transport measurements are carried out in which temperature oscillation is applied to magnetic nanostructures. Using spin valves, this measurement reveals aspects of the spin transport in non-collinear configurations. In one implementation, an AC voltage i ...

Elsevier2010

Fast and robust hydrogen sensors based on discontinuous palladium films on polyimide, fabricated on a wafer scale

Jürgen Brugger, Luis Guillermo Villanueva Torrijo, Thomas Kiefer

Fast hydrogen sensors based on discontinuous palladium (Pd) ﬁlms on supporting polyimide layers, fabricated by a cost-efﬁcient and full-wafer compatible process, are presented. The ﬁlms, deposited by electron-beam evaporation with a nominal thickness of 1. ...

Institute of Physics2010