Results 1 to 10 of about 1,173 (154)

Modeling of chemical composition in the melt pool during laser welding of Aluminum / Magnesium alloys [PDF]

E3S Web of Conferences, 2021
Joining dissimilar metals is very difficult due to the formation of brittle intermetallic phases which may be detrimental to mechanical properties. The present work aims to investigate the transport phenomenon in the weld bead and to understand the ...
Ben Halim Sabrine, kriaa Wassim, Autric Michel   +2 more
doaj   +1 more source

Design and Optimization of Heat Sinks for the Liquid Cooling of Electronics with Multiple Heat Sources: A Literature Review

Energies, 2023
This paper presents a detailed literature review on the thermal management issue faced by electronic devices, particularly concerning uneven heating and overheating problems.
Yijun Li, Stéphane Roux, Cathy Castelain, Yilin Fan, Lingai Luo   +4 more
doaj   +1 more source

Influence de la réflectivité de l’enveloppe sur la demande énergétique des bâtiments et sur le confort thermique

Revue Nature et Technologie, 2022
Dans le milieu urbain, la nature des matériaux qui couvrent les surfaces urbaines (trottoirs, façades et toitures) influe considérablement sur la consommation énergétique et l’ambiance thermique à l’extérieur et à l’intérieur du bâtiment dépendamment du
Ouarda MANSOURI, Fatiha BOURBIA, Rafik BELARBI   +2 more
doaj   +6 more sources

X-ray Tomography Investigation of the Quality of Architected Structures Obtained with Additive Manufacturing Processes

Journal of Manufacturing and Materials Processing, 2022
Additive Manufacturing (AM) appears to be the best candidate to manufacture random architected materials, as it offers significant freedom in the design of hollowed parts with complex geometry.
Meher Azouzi, Eric Labbe, Vincent Marquet, Raphael Moulart, Samir Allaoui   +4 more
doaj   +1 more source

A Review on the Performance Indicators and Influencing Factors for the Thermocline Thermal Energy Storage Systems

Energies, 2021
Thermal energy storage (TES) system plays an essential role in the utilization and exploitation of renewable energy sources. Over the last two decades, single-tank thermocline technology has received much attention due to its high cost-effectiveness ...
Wanruo Lou, Lingai Luo, Yuchao Hua, Yilin Fan, Zhenyu Du   +4 more
doaj   +1 more source

Analysis of ECN spray A ignition in a Rapid Compression Machine using simultaneous OH* chemiluminescence and formaldehyde PLIF

Oil & Gas Science and Technology, 2020
The canonical diesel spray A is characterized in an optical Rapid Compression Machine (RCM) at high temperature and density conditions (900 K and 850 K, ρ = 23 kg/m3) using simultaneous high-speed OH* chemiluminescence and two-pulse 355 nm Planar Laser ...
Strozzi Camille, Ben Houidi Moez, Sotton Julien, Bellenoue Marc   +3 more
doaj   +1 more source

Modélisation numérique des matériaux à changement de phase

Incertitudes et Fiabilité des Systèmes Multiphysiques
Les systèmes de refroidissement traditionnels n’ont pas la capacité d’assurer un bon transfert d’énergie thermique. Grâce à l’évolution de ces systèmes, il est possible d’améliorer les nouveaux dispositifs.
Kawtar Esstar, Bouchaib Radi, Abdelkhalak El Hami   +2 more
doaj   +1 more source

Thermodynamic Modeling of Mutual Solubilities in Gas-Laden Brines Systems Containing CO₂, CH₄, N₂, O₂, H₂, H₂O, NaCl, CaCl₂, and KCl: Application to Degassing in Geothermal Processes

Energies, 2021
With the growing interest in geothermal energy as a renewable and sustainable energy source, nowadays engineers and researchers are facing technological and environmental challenges during geothermal wells’ operation or energy recovery improvement by ...
Salaheddine Chabab, José Lara Cruz, Marie Poulain, Marion Ducousso, François Contamine, Jean Paul Serin, Pierre Cézac   +6 more
doaj   +1 more source

An Experimental Study of a Wine Batch Distillation in a Copper Pot Still Heated by Gas

Energies, 2021
Wine batch distillation in a copper pot still heated directly by combustion is unusual. It is a niche sector. Few studies are available on the subject and even fewer have studied it from a thermal point of view.
Marie Rougier, Jérôme Bellettre, Lingai Luo   +2 more
doaj   +1 more source

Echanges thermiques [PDF]

Aster, 1986
Cet article s'inscrit dans le cadre d'une recherche plus large sur l'enseignement de l'énergie, à l'école élémentaire, dans les collèges et dans les lycées. On y trouvera une tentative d'utilisation de l'analyse historigue et épistémologigue du concept de chaleur pour mieux comprendre les représentations des enfants, mais aussi, en s'appuyant sur les ...
openaire   +3 more sources