Concept

Énergie thermique des mers

Publications associées (161)

Simulation and Optimization of Heliostat Fields using Radiance and MOO fot the Design of a 300 MWth Central Receiver

This work discusses solar power towers and especially the simulation and optimization of heliostat fields. The technological stateof the art is given through typical characteristic values and dimensions of some existing central tower power plants such as t ...

2008

Sol-gel deposition and characterization of low refractive index nanocomposite Mg:F:Si:O thin films for solar and protective coatings

Jean-Louis Scartezzini, Christian Roecker, Josef Andreas Schuler, Estelle De Chambrier, Dipanwita Dutta

Coatings for thermal solar energy conversion have to be abrasion-resistant, stable at elevated temperatures, and often have to protect the substrate against corrosion. Due to the conditions of refractive index matching between the substrate and the ambient ...

2007

What is the design objective for portable power generation: Efficiency or energy density?

Benoît Chachuat

Recently, various alternatives to batteries, such as microfabricated fuel cell systems, have been proposed for portable power generation. In large-scale power production plants emphasis is placed on energy conversion efficiency. On the other hand, the intr ...

2007

Energy conversion processes for the use of geothermal heat - Final report

François Maréchal, Luc Girardin

The study deals with theoretical as well as with practical aspects of the conversion of geothermal heat to electricity. The report is divided into three parts: • Part I: General study • Part II: Practical experience: planning & operation of geothermal powe ...

2007

Capturing the hydrokinetic energy of the Rhone River

Anton Schleiss, Giovanni De Cesare, Hanane Moukhliss

In the current economic situation regarding electric generation and conservation of the environment, it is essential to develop sustainable technologies. From this point of view, hydropower is an excellent resource with a consequently high value. The syste ...

2006

Integration of Solar Energy Technologies in Switzerland : From Building to Nanoscale

Jean-Louis Scartezzini

The Solar Energy and Building Physics Laboratory of the Ecole Polytechnique Fédérale de Lausanne (EPFL) has been involved in research and technological development of solar energy for building applications since the middle of the seventies. Focusing first ...

2006

Thermo economic analysis for the optimal conceptual design of biomass gasification energy conversion systems

François Maréchal, Martin Gassner, David Brown

This study addresses the thermo economic assessment of a biomass gasification, gas cleaning and energy conversion process, with particular attention given to tar control and the communication of the process design rationale. Product distributions were esti ...

2006

Photovoltaic performance and long-term stability of dye-sensitized mesoscopic solar cells

Michael Graetzel

The efficiency of electric power generation by dye-sensitized mesoscopic photovoltaic cells has been progressing steadily over the last years reaching now 11% in full sunlight. An important question for practical applications concerns the stability of thes ...

2006

Thermo-Economic Modelling and Optimisation of Fuel Cell Systems

François Maréchal, Daniel Favrat, Francesca Palazzi

If process modelling is a well known approach to compute the performances of fuel cell systems, the optimal design of systems where the process configuration is not fixed a priori remains an issue. The goal of the presented methodology for integrating and ...

Wiley-Blackwell2005

Decentralized production in urban systems, the vision of the Institute of Energy Sciences of EPFL

François Maréchal

In 1998, the Board of the Swiss Federal Institute of Technology established the challenging vision of the 2000 W society. The goal is to reach, for Switzerland by the year 2050, an energy intensity target of 2000 Wyear/year/cap. Referring to a present inte ...

2005

Graph Chatbot

Chattez avec Graph Search

Posez n’importe quelle question sur les cours, conférences, exercices, recherches, actualités, etc. de l’EPFL ou essayez les exemples de questions ci-dessous.

AVERTISSEMENT : Le chatbot Graph n'est pas programmé pour fournir des réponses explicites ou catégoriques à vos questions. Il transforme plutôt vos questions en demandes API qui sont distribuées aux différents services informatiques officiellement administrés par l'EPFL. Son but est uniquement de collecter et de recommander des références pertinentes à des contenus que vous pouvez explorer pour vous aider à répondre à vos questions.

Connectez-vous pour utiliser Chat avec Graph Search