Articles techniques et présentations

The aim of this work is to compute the mechanical forces in a 12-pulse converter transformer winding in different short-circuit modes. A 12-pulse converter transformer is a three phase transformer with two secondary windings whose tension have 30° phase displacement and one primary ... En savoir plus

Package material for liquid food packages typically features a multilayered structure with paperboard as a core material and protective polymer layers towards the product and the ambient. Aseptic food packages require an additional barrier layer comprising a thin aluminum layer. Aluminum ... En savoir plus

Among the various technological platforms, which are currently investigated as candidates for the implementation of large-scale multi-qubit quantum computers, spin qubits in silicon quantum dots (QDs) are one of the most attractive. Long spin lifetimes can indeed be achieved in ... En savoir plus

Bimetallic mechanical parts made of steel and bronze combine in an optimal manner the mechanical properties of the steel and the excellent anti-friction characteristics of the bronze. These properties make applications possible in various high-tech domains such as aviation, energy and ... En savoir plus

High temperature variations inside a tent can be a problem for campers’ thermal comfort. To increase user comfort, Decathlon has tents called "Fresh & Black (F&B)". The main improvement of this equipment lies in the textile technology, regulating the temperature inside and ... En savoir plus

The Z-pinch (or zeta pinch) is a type of plasma confinement system used in fusion power research. It relies on an electric current discharge within the plasma to generate a magnetic field that compresses the plasma, creating conditions conducive to nuclear fusion. The concept of Z-pinch ... En savoir plus

Splitting a 3D model into two coupled components can increase performance [1]. Two offshore applications with the AC/DC module and the heat transfer module are presented, but the approach is general. The examples simulate the hotspot temperature in a three core cable with cross-sectional ... En savoir plus

The Bridgman process is used in the production of single crystal superalloys for use in high temperature applications. The mechanical properties of these superalloys are strongly influenced by the microstructure that is formed during the solidification. The formation of the ... En savoir plus

The modelling of the optical and thermal response of translucent composite materials submitted to a high-energy laser irradiation is very complex, as glass fibers-reinforced polymers are highly heat-sensitive and their physical behavior dramatically changes at high temperatures. All ... En savoir plus

Angular contact ball bearings (ACBB) are rolling bearings designed to support both axial and radial loads. The rolling elements (balls in this case) significantly decrease the power losses associated with rotating load bearing by replacing sliding with rolling. However, both the specific ... En savoir plus