Publications related to Solar combisystem

Models implemented in the methodological approach to design the initial STEP first wall contour

Davide Galassi, Kevin Henricus Annemarie Verhaegh, Filippo Bagnato, Dario Vaccaro

The official Spherical Tokamak for Energy Production mission aims to demonstrate the ability to generate net electricity from fusion with the STEP Prototype Power plant. One of the key technological and engineering challenges in fusion power plants is mana ...

Elsevier Science Sa2024

Scenario optimization for the tokamak ramp-down phase in RAPTOR: A. Analysis and model validation on ASDEX Upgrade

Olivier Sauter, Federico Alberto Alfredo Felici, Simon Van Mulders, Cassandre Ekta Contré, Anna Teplukhina, Bernhard Sieglin

We discuss how the combination of experimental observations and rapid modeling has enabled to improve understanding of the tokamak ramp-down phase in ASDEX Upgrade. A series of dedicated experiments has been performed, to disentangle the effect of individu ...

Iop Publishing Ltd2024

Maintenance and optimization of the TCV power supply

Damien Fasel, Ugo Siravo, Jérémie Dubray

The TCV tokamak is powered by a flywheel generator to supply the magnetic coils and the auxiliary heating systems. The generator has just undergone its fourth major overhaul to make it ready for the next ten years, after more than thirty years of almost tr ...

Elsevier Science Sa2024

SOLPS-ITER simulations of the TCV divertor upgrade

Basil Duval, Holger Reimerdes, Christian Gabriel Theiler, Artur Perek, Marco Wischmeier, Davide Galassi, Kevin Henricus Annemarie Verhaegh, Mirko Wensing

The effect of the upcoming TCV divertor upgrade on the distribution of neutrals and the onset of detachment is studied using 2D transport code simulations. The divertor upgrade is centered around the installation of a gas baffle to form a divertor chamber ...

2019

Long-term performance and life cycle assessment of energy piles in three different climatic conditions

Lyesse Laloui, Alessio Ferrari, Melis Sütman, Gianluca Speranza

The main purpose behind the use of energy piles is to enable the exploitation of geothermal energy for meeting the heating/cooling demands of buildings in an efficient and environment-friendly manner. However, the long-term performance of energy piles in d ...

Pergamon-Elsevier Science Ltd2020

Preparation of high-conductivity, high-capacity phase change media capsules with enhanced thermos-chemical stability in thermal energy storage applications

Selmar Rudolf Binder

Thermal energy storage using the effects of the latent heat in the solid-liquid phase transformation has found its way into every day applications. Reusable, organic phase change media stabilize low temperatures of parcels, and salt/water tanks act as buff ...

EPFL2019

Towards a GIS-based Multiscale Visibility Assessment Method for Solar Urban Planning

Pietro Florio

Urban areas are facing a growing deployment of solar photovoltaic and thermal tech-nologies on building envelopes, both on roofs and on façades, essential for the realization of the Swiss Energy Strategy 2050. This process often occurs regardless of the de ...

EPFL2018

Analysis of plasma termination in the JET hybrid scenario

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Stefano Coda, Jonathan Graves, Duccio Testa, Patrick Blanchard, Yves Martin, Pierre-Thomas Paul Brun, Henri Weisen, Sun Hee Kim, Alessandro Pau, Mikhail Maslov, Cristian Sommariva, Miguel Fernández Ruiz, Richard Pitts, Antonio José Pereira de Figueiredo, Robin Humphry-Baker, Yann Camenen, Jan Horacek, José Pedro Rebelo Ferreira Marques, Javier García Hernández, Ana Francisca Leal Silva Soares, Marco Wischmeier, Daniel Scott Alessi, Julio Rodriguez, Nicola Vianello, Jonnathan Cesar Hidalgo Acosta, Pedro Camilo de Oliveira e Silva, Federico Nespoli, Alberto Hernando de Castro, Yao Zhou, Vlad Trifa, David Pfefferlé, Rebecca Hill, Davide Galassi, Partha Dutta, Jonathan Marc Philippe Faustin, Liang Yao, Dalziel Joseph Wilson, , , ,

Solar thermal and geothermal integration with low temperature CO 2 DENs

François Maréchal, Luc Girardin, Raluca-Ancuta Suciu

Taking into account the high efficiency of solar thermal collectors and the fact that heating demands represent around 80% of the total energy needs in residential buildings, it is of interest to integrate solar thermal systems to supply HVAC services. How ...

Elsevier2018

EU DEMO EC system preliminary conceptual design

Stefano Alberti, Minh Quang Tran, Ioannis Pagonakis, Emanuele Poli, Konstantinos Avramidis

The engineering design and R&D of auxiliary heating systems and their sub-systems are a key activities in the frame of the present conceptual design phase for a first of a kind DEMOnstration Fusion Power Plant in order to develop a system capable of achiev ...

ELSEVIER SCIENCE SA2018

Scanning thermal probe microscope method for the determination of thermal diffusivity of nanocomposite thin films

Jürgen Brugger, Khushboo Agarwal

A commercial scanning thermal microscope has been upgraded to facilitate its use in estimating the radial thermal diffusivity of thin films close to room temperature. The modified setup includes a microcontroller driven microhotplate coupled with a Bluetoo ...

2016

Targeting Optimal Design and Operation of Solar Heated Industrial Processes: A MILP Formulation

François Maréchal, Anna Sophia Wallerand, Araz Ashouri, Angelos Selviaridis

The intermittence of solar irradiation displays a great challenge for industrial applications, which often require a constant heat supply. Transient or dynamic simulation software, such as TRNSYS and EnergyPlus, enable modeling of such systems and the resp ...

Elsevier2016

Method for hardening a coating of a solar collector element, and elements produced by means of said method

Andreas Schueler, Josef Andreas Schuler, Martin Joly

The invention relates to a method for hardening a coating of a solar collector element, said element including a conductive material or a conductive layer. The invention is characterised in that the coating is hardened by induction heating. ...

2015

Centrifuge modelling of heating effects on energy pile performance in saturated sand

Lyesse Laloui, Chao Shi

The operation of energy pile in summer can expel excessive heat of the buildings into the ground by the use of a heat pump. Despite of having been implemented for decades, the design of energy pile still relies heavily on empiricism as there is still limit ...

National Research Council Canada2015

Selective solar absorber coatings on receiver tubes for CSP - energy-efficient production process by sol-gel dip-coating and subsequent induction heating

Jean-Louis Scartezzini, Andreas Schueler, Aïcha Hessler-Wyser, Marina Aymara González Lazo, Martin Python, Martin Joly, Yannik Antonetti, Thomas Gascou

The energy efficiency of production processes for components of solar energy systems is an important issue. Other factors, which are important for the production of black selective solar coatings include production speed, cycle time and homogeneity of the ...

Elsevier Science Bv2014

A potentially robust plasma profile control approach for ITER using real-time estimation of linearized profile response models

Jonathan Bryan Lister, Sun Hee Kim

An active plasma profile control approach for ITER, which is potentially robust by being tolerant to changing and uncertain physics, has been explored in this work, using a technique based on real-time estimation of linearized profile response models. The ...

IOP Publishing Ltd2012

Atmospheric Boundary Layer Dynamics of Transitional Flows over Complex Terrain

Daniel Nadeau

Recent advances in boundary-layer meteorology are beginning to allow the study of atmospheric flow phenomena that have previously been poorly understood. In this dissertation, we study the effects of complex terrain and unsteady regimes on the atmospheric ...

EPFL2011

New challenges in solar architectural innovation

Christophe Ballif, Jean-Louis Scartezzini, Yves Leterrier, Andreas Schueler, Christian Roecker, Krista Susan Lumsden Friedli, Valentin Chapuis

Among the century’s main challenges, climate change and the need for energy sources diversification are of great importance. In this context, renewable energies undoubtedly have an important role to play. Photovoltaic (PV) electricity is especially well su ...

EPFL2011

Architectural integration and design of solar thermal systems

Maria Cristina Munari Probst

Although mature technologies at competitive prices are largely available, solar thermal is not yet playing the important role it deserves in the reduction of buildings fossil energy consumption. The generally low architectural quality characterizing existi ...

EPFL2009

Methodology for the integration of low temperature district network in urban area

François Maréchal, Luc Girardin, Nicole Calame

The energy services delivered to urban areas in Switzerland make up more than 45% of the national energy consumption. Thus, in the framework of the Tetraener European project, a methodology has been developed to design low temperature thermal networks base ...

2009