Concept

Thermal runaway

Publications associées (38)

Effective Critical Electric Field for Runaway-Electron Generation

In this Letter we investigate factors that influence the effective critical electric field for runaway-electron generation in plasmas. We present numerical solutions of the kinetic equation and discuss the implications for the threshold electric field. We ...

Amer Physical Soc2015

Effective critical electric field for runaway electron generation

Joan Decker

2015

Overview of the FTU results

Olivier Sauter, Basil Duval, Duccio Testa, Holger Reimerdes, Alexander Karpushov, Cristian Galperti, Gabriele Grosso, Doohyun Kim, Dávid Wágner, Lucia Isabel Federspiel, Jonathan Rossel, Donghyun Kim

Since the 2012 IAEA-FEC Conference, FTU operations have been largely devoted to runaway electrons generation and control, to the exploitation of the 140 GHz electron cyclotron (EC) system and to liquid metal limiter elements. Experiments on runaway electro ...

Iop Publishing Ltd2015

Near-optimal thermal monitoring framework for many-core systems on chip

Martin Vetterli, David Atienza Alonso, Juri Ranieri, Amina Chebira, Alessandro Vincenzi

Chip designers place on-chip thermal sensors to measure local temperatures, thus preventing thermal runaway situations in many-core processing architectures. However, the quality of the thermal reconstruction is directly dependent on the number of placed s ...

Institute of Electrical and Electronics Engineers2015

Analysis of the influence of the normal zone propagation velocity on the design of resistive fault current limiters

Daniele Colangelo, Bertrand Dutoit

Commercial high-temperature superconducting coated conductors (HTS-CCs) have low thermal diffusivity and nonuniform critical current density. These two factors lead commercial HTS-CCs to a partial quench when they are subjected to a transport current aroun ...

Iop Publishing Ltd2014

Advanced Automotive System based on Modular Multilevel Converter

Rosa Martel Danoary Tsirinomeny

Battery packs in recent electric vehicles (EVs) have high energy and high power densities which exerts a strong thermal stress upon them. This means that the individual battery cells are more prone to decline away and eventually fail early because of an ex ...

2014

Science and technology research and development in support to ITER and the Broader Approach at CEA

Yiming Li, Yi Zhang, Alexis Berne, Antoine Pierre Emmanuel Alexis Merle, Joan Decker, Daniel Keller, Jonathan Bryan Lister, Javier García Hernández, Fang Liu, Vincent Martin, Nicolas Mellet, Jonathan Bastien Cottet, Louis Nicolas, Hui Wang, Xiaoxia Bai

In parallel to the direct contribution to the procurement phase of ITER and Broader Approach, CEA has initiated research & development programmes, accompanied by experiments together with a significant modelling effort, aimed at ensuring robust operation, ...

Iop Publishing Ltd2013

In situ copper–alumina composites

Andreas Mortensen, Carmen Krüger

We present a process for the production of Cu-Al matrix composites containing between 25 and 30 vol.% in situ Al2O3. The composites are prepared by pressing, heat-treating and hot working blended powders of Cu, Al and CuO packed into copper alloy cans. The ...

Elsevier2013

Ultra Low Temperature Susceptometer and Magnetometer

Julian Piatek

The first part of this thesis discusses technical details relating to measurements of magnetic properties at ultra low temperatures. The implementation of AC susceptibility at temperatures down to 30 mK is introduced and used as a platform to showcase sele ...

EPFL2012

EigenMaps: Algorithms for Optimal Thermal Maps Extraction and Sensor Placement on Multicore Processors

Martin Vetterli, David Atienza Alonso, Juri Ranieri, Amina Chebira, Alessandro Vincenzi

Chip designers place on-chip sensors to measure local temperatures, thus preventing thermal runaway situations in multicore processing architectures. However, thermal characterization is directly dependent on the number of placed sensors, which should be m ...

ACM2012

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