Documents
All the documents offered by GRETh : patents, technical reports, thesis, publications, e-books, technical days presentations, technical manuals, etc.
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Oct- 2025 -
Summary : In the context of the energy transition, power electronics faces several challenges in order to meet the sharp increase in electrical power transmitted. Wide bandgap semiconductor components enable the conversion of higher...
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Keywords : #Caractérisation, #Diphasique, #électronique de puissance, #Packaging, #refroidissement -
Summary : The search for technological solutions aimed at minimizing the size of a device, known as intensification, is a classic objective of process engineering. In this thesis, the intensification possibilities offered by helical tubes are studied, both...
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Keywords : #CFD, #Design, #Échangeurs, #intensification, #optimisation, #simulation, #Transferts, #Tubes sipralés -
Summary : Carbon dioxide (CO₂, R744) is a promising alternative for refrigeration systems because it does not contribute to ozone depletion and has very little impact on global warming compared to...
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Keywords : #CO2, #Compresseur parallèle, #Dioxyde de carbone, #Ejecteur liquide, #Exergie, #fluides frigorigènes, #modélisation, #Optimisation énergétique, #Performance, #Système de réfrigération, #thermique -
Summary : Efficient heat exchanger design is crucial for cost, sustainability, and energy conservation. Due to its importance, the research interest in optimal HX design has increased across various industries, especially in the aerospace sector. Here, compact heat exchangers with…
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Summary: Since the industrial revolution, the evaporation of water has been the most common method for providing industrially usable energy. As of today, important primary energy sources for the evaporation are limited and globally unevenly distributed fossil fuels, whose combustion…
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Keywords : #Heat exchanger, #Latent, #PCM, #Thermal Energy Storage -
Jul- 2025 -
Keywords : #Additive manufacturing, #échangeurs de chaleur, #fabrication additive, #Heat exchangers, #impression 3D, #Industrie Du Futur, #Innovation Thermique, #R&D -
May- 2025 -
Cette newsletter de mai 2025 est articulée autour des rubriques suivantes : - Découvrez nos 6 nouveaux adhérents 2025 - Journées Techniques du GRETh 2025 - Appel à communication - Formation Echangeurs Thermiques - Nouveaux documents en ligne - Focus…
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Summary : The objective of this doctoral thesis is to present an innovative sinusoidal multifunctional heat exchanger/reactor that improves mixing and heat transfer based on chaotic advection. This new geometry is constructed by combining...
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Keywords : #Echangeur chaotique, #Heat transfer, #Sinus-Hélicoïdale -
Summary : This thesis addresses the topological optimization of multiphysical systems using the Level-Set method for interface tracking and the continuous adjoint method for sensitivity calculation. It begins by addressing problems of incompressible laminar flows, then...
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Summary : Due to its favorable thermophysical properties and low global warming potential (GWP), CO2 is considered a suitable refrigerant for cooling electronic devices in certain scientific applications. The next generation of...
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Keywords : #CO2, #Diphasique, #Microfluidique, #simulation numérique, #Transfert de chaleur
