Concept

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Publications associées (481)

Effect of triangular and elongated plasma shape on the sawtooth stability

Olivier Sauter, Timothy Goodman, Holger Reimerdes, Antoine Pochelon, Andrei Martynov

In the TCV tokamak the sawtooth period and the sawtooth amplitude are observed to depend strongly on the shape of the poloidal plasma cross section. Systematic scans of plasma elongation and triangularity show small sawteeth with short periods at high elon ...

2000

Time-Dependent Thermoeconomic Optimization of the Future Waste Incineration Power Plant in Posieux, Switzerland.

Daniel Favrat

From the standpoint of an energetically and economically efficient waste elimination, the design and operation of optimized incineration power plants with the cogeneration of electricity and heat has become today an important issue. Decision models develop ...

2000

Pre-Heating of Thermoplastic Sandwich Materials for Rapid Thermoforming

Pierre-Etienne Bourban, Jean-Marie Drezet

The thermoforming of thermoplastic sandwich structures based on the same matrix polymer for the face sheets and the core requires precise temperature control both before and during forming. Two opposing requirements must be satisfied: the face sheets must ...

SAGE Publications2000

Strain-amplitude-dependent mechanical loss at intermediate temperatures in a Ni-3(Al, Ta) single crystal

Robert Schaller, Nadine Baluc, Joël Bonneville

Dislocation dynamics in a Ni-3(Al, Ta) single-crystal alloy have been studied by means of mechanical spectroscopy at intermediate temperatures, that is in the temperature range of the flow stress anomaly. The mechanical loss of specimens predeformed at 300 ...

1999

Electrical properties and microstructural evolution of porous Pb1-xCaxTiO3 pyroelectric thin films

Nava Setter, Paul Muralt, Andreas Seifert

The properties of Pb1-xCaxTiO3 (x=0-30) thin films for applications in point-detectors and arrays can be further improved ii porous, low-dielectric constant layers are being Used. Both 2-methoxyethanol and 1,3-propanediol based solution precursors were use ...

1999

Wärmepumpe mit Hilfskreislauf zur Kondensatunterkühlung, Phase II : Experimentelle Untersuchung

Daniel Favrat, Pedro Miguel Nunes Pereira de Almeida Reis, Michele Zehnder

A brine/water heat pump with the auxiliary liquid subcooling cycle with a heating capacity of 9 kW at -7/50°C was built and a series of measurement were conduced. The heat pump is designed for the monovalent heating in the retrofit market. For this purpose ...

1999

Sustainable Development Based Methodology for the Optimized Integrated Design and Operation of Energy Conversion Processes and Networks.

Daniel Favrat

A design methodology allowing engineers to consider simultaneously and from the earliest phases of design some of the key factors of sustainable development (pollution, life cycle data) has been developed and successfully demonstrated on two examples of in ...

1999

Approche de conception et d’optimisation de centrale solaire intégrée à cycle combiné inspirée de la méthode du pincement (partie II: réseau d’échangeurs de chaleur)

Daniel Favrat, El Hadj Malick Kane

Steam production units (HRSG and HSSG) of ISCCS include several heat exchangers (economizers, evaporator, superheater, reheaters, etc.). The knowledge of the extended composites as a function of the solar input, allows the determination of the most critica ...

1999

An Approach for the Time-Dependent Thermoeconomic Modeling and Optimization of Energy System Synthesis, Design and Operation (Part I : Methodology and Results)

Daniel Favrat

1999

Pompe à chaleur biétagée à haute performance. Phase 2: Dégivrage par énergie à basse exergie.

Daniel Favrat, Michele Zehnder

The capacities of performance improvements of low and mid-size heat pumps are studied in this project. For the new buildings market, the components of the heat pump match already well the requirements for high performance and monovalent heating. Minor impr ...

1999

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