Articles techniques et présentations

Today’s manufacturing industries like automobile, aerospace and Machine tools are demanding more accurate machined parts. Machine tool center has 40-70% of Machining error due to thermal issues. Temperature rise creates non-linear thermal deformation of machine. Significant cause of ... En savoir plus

Smart materials, due to their ability to undergo structural and functional changes in response to external stimuli have garnered significant attention in different applications. Among these, metal hydrides have been extensively studied as potential candidates for hydrogen storage. ... En savoir plus

Optimization of the shape of material for improving the power output of thermomagnetic oscillator Shivam Shukla a and Deepak K a,* a Department of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi – 221005 *Corresponding author : deepak.met@iitbhu.ac.in Abstract ... En savoir plus

This study presents simulation findings from a 4-way link box assembly, aimed at understanding temperature-related challenges. The primary objective was to assess maximum temperatures within the assembly, focusing on the Complete Assembly, UET, Copper Busbar, and Wedge Link Busbar. ... En savoir plus

Laser surface texturing has emerged as a promising texturing technique due to properties such as excellent repeatability, non-contact process, the ability to achieve small-size features and high-quality finishing. The work described here is part of the H2020 research program called SHARK ... En savoir plus

This work describes the implementation with COMSOL Multiphysics® of a thermal simulation of a space environmental chamber, the SpaceQ chamber [1]. Space environment facilities are needed to simulate on Earth the expected performance of hardware and instrumentation that shall operate in ... En savoir plus

In this poster we present the results of the strategy for calibrating the COMSOL Multiphysics® model to simulate the laser bonding process (LADB) of Mems chips. A specific aspect of this work is to calibrate the COMSOL Multiphysics® heat model loss by measuring with a miniature ... En savoir plus

Ball bearings are used in vast majority of mechanisms for space applications (such as Solar Array Drive Mechanisms, pointing mechanisms or reaction wheels) in order to provide low friction and smooth motion between parts. These applications differ from the ground ones due to space ... En savoir plus

Investment casting is practised in both the automotive and aerospace industries, to produce casted components where a high-quality surface finish is critical. Vacuum induction melting (VIM) and direct pouring into an investment casting shell mould is an advantageous manufacturing ... En savoir plus

This study is focused on the optimization of a- YBa2Cu3O7-x (YBCO) based bolometer working above 77 K. The temperature distribution on the superconductor surface and the temperature profile through the whole system (bolometer plus plate with heaters) were studied at the working point ... En savoir plus