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PEOPLE@HES-SO – Annuaire et Répertoire des compétences
PEOPLE@HES-SO – Annuaire et Répertoire des compétences

PEOPLE@HES-SO
Annuaire et Répertoire des compétences

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Gendre Fabrice

Gendre Fabrice

Chef de projet Ra&D HES

Compétences principales

Soudure

Energétique

Project Management

Optimisation de système énergétique

Correspondance Français

Anglais

Correspondance Allemand

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Contrat principal

Chef de projet Ra&D HES

Téléphone: +41 24 557 64 83

Bureau: R07a

Haute école d'Ingénierie et de Gestion du Canton de Vaud
Route de Cheseaux 1, 1400 Yverdon-les-Bains, CH
HEIG-VD
Institut
IE - Institut des énergies
Aucune donnée à afficher pour cette section

Terminés

Soudage - Recherche et développement 2020
AGP

Rôle: Collaborateur/trice

Requérant(e)s: IGT, Weber Nicolas, IGT

Financement: Divers industries romandes

Description du projet : Mandats de recherche et développement dans le domaine de la soudure, microsoudure et brasage.

Equipe de recherche au sein de la HES-SO: Garin Isabelle , Loperetti Murielle , Gendre Fabrice , Bonhôte Philippe , Müller Randoald , Magnenat Gabriel , Cereghetti Raffaele , Pinotti Laurent , Benoit Christian , M'ahmed Cyril , Wuhrmann Virginie , Murdter Xavier , Weber Nicolas

Partenaires académiques: IGT; Weber Nicolas, IGT

Durée du projet: 01.01.2020 - 31.12.2020

Montant global du projet: 30'000 CHF

Statut: Terminé

ESA Training Center - Welding
AGP

Rôle: Collaborateur/trice

Requérant(e)s: IGT

Financement: SECO + SEFRI

Description du projet : Développement du Centre de compétence de soudage ESA dont SWI est le requérant principal dans le cadre de la communauté de recherche SWI - HEIG-VD.

Equipe de recherche au sein de la HES-SO: Cantova Jean-Daniel , Gendre Fabrice , Pinotti Laurent , M'ahmed Cyril , Murdter Xavier , Weber Nicolas

Partenaires académiques: IGT

Partenaires professionnels: SWI

Durée du projet: 01.01.2017 - 31.08.2020

Montant global du projet: 569'000 CHF

Statut: Terminé

Soudage - Recherche et développement 2019
AGP

Rôle: Collaborateur/trice

Requérant(e)s: CASB, Weber Nicolas, CASB

Financement: Divers industries romandes

Description du projet : Mandats de recherche et développement dans le domaine de la soudure, microsoudure et brasage.

Equipe de recherche au sein de la HES-SO: Garin Isabelle , Loperetti Murielle , Gendre Fabrice , Bonhôte Philippe , Müller Randoald , Magnenat Gabriel , Cereghetti Raffaele , Pinotti Laurent , M'ahmed Cyril , Wuhrmann Virginie , Murdter Xavier , Weber Nicolas

Partenaires académiques: CASB; Weber Nicolas, CASB

Durée du projet: 01.01.2019 - 31.12.2019

Montant global du projet: 10'000 CHF

Statut: Terminé

2007

A magnetic heat pump with porous magneto caloric material
Article scientifique ArODES

Didier Vuarnoz, Andrej Kitanovski, Marc Diebold, Fabrice Gendre, Peter W. Egolf

physica status solidi (c),  2007, vol. 4, no. 12, pp. 4552-4555

Lien vers la publication

Résumé:

At present magnetic refrigeration shows a realistic potential to penetrate into some niche markets in the field of cold and hot “production”. It is well known that a refrigerator for cooling and a heat pump for heating are machines based on the same principle. A small review on magnetic heat pump studies is outlined and a simple engineering calculation scheme to determine the coefficient of performance for a magnetic heat pump with a rotary porous structure heat exchanger is presented. Magnetic heat flux line distributions are calculated by a 2‐d finite element method numerical simulation program with the objective to obtain high field's μ0H with not too heavy permanent magnets assemblies. The porous structures are geometrically optimised to obtain maximal magnetic field inductions. It is shown that for a water/ethylene‐glycol magnetic heat pump the coefficient of performance is higher than that of a conventional heat pump. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

2006

Static and rotating active magnetic regenerators with porous heat exchangers for magnetic cooling
Article scientifique ArODES

Andreja Sarlah, Andrej Kitanovksi, Alojz Poredos, Peter W. Egolf, Osmann Sari, Fabrice Gendre, Christophe Besson

International Journal of Refrigeration,  2006, vol. 29, pp. 1332-1339

Lien vers la publication

Résumé:

The operation behaviour of an active magnetic regenerator (AMR) with a wavy-structure, or a honeycomb-like regenerator bed was numerically investigated. The thermodynamic model was applied to a static regenerator and – in a generalized version – to a rotary type. The models take two-dimensional unsteady heat conduction in the magnetic material during the four basic processes of the AMR cycle into account. The numerical results were used to determine optimal arrangements of different magnetic materials in order to obtain larger temperature spans between both ends of the porous beds. Furthermore, a first study of magnetic flux lines in a porous rotary heat exchanger was performed.

Machbarkeitsstudie für magnetische Wärmepumpen: Anwendungen in der Schweiz
Rapport
Etude de faisabilité des pompes à chaleur magnétiques : Applications en Suisse

Peter W. Egolf, Gendre Fabrice, Andrej Kitanovski, Osmann Sari

2006,  Bern : Bundesamt für Energie BFE,  69  p.

Lien vers la publication

Résumé:

Cette étude de faisabilité montre qu’en l'état actuel des connaissances concernant les matériaux magnétocaloriques, l’usage des pompes à chaleur magnétiques, lors de la réfection des bâtiments dont le chauffage est par radiateur ou pour la production d’eau chaude sanitaire n’est pas pour l’instant réalisable.
Par contre un potentiel favorable existe dans le cas des bâtiments neufs, ayant un chauffage au sol. Dans ce dernier cas le « coefficient de performance (COP) » est plus élevé que celui d’une pompe à chaleur conventionnelle.
Le coût d’une pompe à chaleur magnétique à l’eau/éthylène-glycol sera trente pour-cent plus élevé que celui d’une pompe à chaleur à compression analogue.

 

2007

Magnetic heat pumps :
Conférence ArODES
an approximate energy efficiency and cost study 1.2

Peter W. Egolf, Fabrice Gendre, Andrej Kitanovski

Proceedings of the 2nd International Conference on Magnetic Refrigeration at Room Temperature

Lien vers la conférence

Résumé:

An extensive feasibility study on magnetic heat pumps, based on simple engineering calculus, reveals a good potential to build energy-efficient and cost-effective devices. The energy efficiency of a magnetic heat pump is better and the costs are slightly higher than for a conventional gas compression/expansion heat pump. This cost evaluation is based on a magneto caloric material prize, which probably will not be the minimal one being achieved in the near future. This example of a feasibility study may be applied exactly in the same manner to evaluate the potential (energy efficiency and costs) of similar applications; which are e.g. magnetic refrigerators or magnetic power conversion devices designed to operate in other market areas. An extensive feasibility study on magnetic heat pumps, based on simple engineering calculus, reveals a good potential to build energy-efficient and cost-effective devices. The energy efficiency of a magnetic heat pump is better and the costs are slightly higher than for a conventional gas compression/expansion heat pump. This cost evaluation is based on a magneto caloric material prize, which probably will not be the minimal one being achieved in the near future. This example of a feasibility study may be applied exactly in the same manner to evaluate the potential (energy efficiency and costs) of similar applications; which are e.g. magnetic refrigerators or magnetic power conversion devices designed to operate in other market areas.

2006

Phase change slurry system design with Dymola Modelica
Conférence ArODES

Frédéric Brun, Fabrice Gendre, Ecaterina Siegenthaler, Osmann Sari, Peter W. Egolf

Proceedings of the 7th Conference on Phase-Change Materials and Slurries

Lien vers la conférence

Résumé:

For the modern object-oriented software Dymola Modelica a new library with thermodynamic modules of components of ice slurry systems has been created. The theoretical models for the modules of heat exchangers, storage tanks, pumps and tubes were chosen from former work performed by the Working Party on Ice Slurries of the International Institute of Refrigeration. The first test system is a new super market in Switzerland (Migros Uzwil) with 34 display cabinets, at present operated with commercially available brine. Numerical simulations of the system with a two-component, mono-phase (water glycol mixture) and a two-component, two-phase fluid, namely an ice slurry (water ethylene mixture), were performed and the results of four different operation cases are compared. An aim was to work out, on one hand, an accurate comparison of the energy demands and the related costs and, on the other hand, of the installation investment costs of the two systems with different fluids. Finally the intention is to make these two economical key parameters of concurrence systems available to decision makers, who are involved in the design of new similar plants.

2005

A rotary heat exchanger magnetic refrigerator
Conférence ArODES

Andrej Kitanovski, Peter W. Egolf, Fabrice Gendre, Osmann Sari, Christophe Besson

Proceedings of 1st IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature

Lien vers la conférence

Résumé:

A magnetic refrigerator with a cylindrical heat exchanger of porous periodic structure has been designed and numerical system performance calculations have been performed. This refrigerating machine, respectively heat pump device, can be operated with air or water as working fluid. In the article the design of the new refrigerator is outlined and the coupled basic equations of magnetism and thermodynamics are presented, which contain three independant characteristic geometrical quantities characterizing the heat exchanger structure. Magnetic fields, magnetic flux densities, and coefficients of performances (COP), etc. were investigated for magnetic inductions B0 between 1 and 5 Tesla. The obtained COP’s are promising high compared to conventional refrigeration equipment working with gas compression and expansion.

A rotary heat exchanger magnetic refrigerator
Conférence ArODES

Andrej Kitanovski, Peter W. Egolf, Fabrice Gendre, Osmann Sari, Christophe Besson

Proceedings of the 1st International Conference on Magnetic Refrigeration at Room Temperature

Lien vers la conférence

Résumé:

A magnetic refrigerator with a cylindrical heat exchanger of porous periodic structure has been designed and numerical system performance calculations have been performed. This refrigerating machine, respectively heat pump device, can be operated with air or water as working fluid. In the article the design of the new refrigerator is outlined and the coupled basic equations of magnetism and thermodynamics are presented, which contain three independent characteristic geometrical quantities characterizing the heat exchanger structure. Magnetic fields, magnetic flux densities, and COP, etc. were investigated for magnetic inductions between 1 and 5 T. The obtained COPs are promising high compared to conventional refrigeration equipment working with gas compression and expansion.

Magnetocaloric effect heat pumps in Switzerland :
Conférence ArODES
a feasibility study

Fabrice Gendre, Peter W. Egolf, Osmann Sari

Proceedings of the 1st International Conference on Magnetic Refrigeration at Room Temperature

Lien vers la conférence

Résumé:

This article discusses the application of magnetic heat pump technology for heating buildings in Switzerland. Two systems are proposed, a floor heating system and a heating system for low-energy and office buildings with heat recovery devices. Their behaviour is numerically modelled and the results are compared with those of conventional heat pump systems.

A cellular method and object-oriented software to calculate operation conditions of shell-and-tube heat exchangers with phase change slurries
Conférence ArODES

Fabrice Gendre, Derrick Ata-Caesar, Osmann Sari, Peter W. Egolf

Proceedings of the sixth Workshop on Ice Slurries of the IIR/Proceedings of the Second Conference on Phase Change Material and Slurry (PCM 2005)

Lien vers la conférence

Résumé:

A new type of shell-and-tube heat exchanger calculation software, based on the cell method, is presented. The main elements of an object-oriented software and the calculation process are described. Some calculation examples are shown for Newtonian and Non-Newtonian fluids as phase-change slurries.

A cellular method to calculate pressure drops of hydraulic circuits
Conférence ArODES

Peter W. Egolf, Fabrice Gendre, Osmann Sari

Proceedings of the sixth Workshop on Ice Slurries of the IIR/Proceedings of the Second Conference on Phase Change Material and Slurry (PCM 2005)

Lien vers la conférence

Résumé:

A cellular method to calculate pressure drops of hydraulic circuits with laminar, turbulent and miscellaneous (not transitional) flow is presented. This cellular automaton-like method is based on a set of homogeneous rules and a successive iteration procedure. Its application is very simple, and it yields correct results also for a network of highest complexity. The good performance is demonstrated by presenting the results of numerical pressure drop calculations of a small parallel circuit with laminar flow. The theory also applies, only with small adaptations, to electrical circuits.

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