Articles techniques et présentations

Steel tubes are widely used in industries. In order to ensure the safety and reliability of industrial processes, electromagnetic acoustic transducers (EMATs) based guided wave technology has been developed for inspecting stainless steel tubes regularly. Theoretical models and finite ... En savoir plus

Oil production industry investigates new methods to improve oil extraction from natural rocks. Since long time the dedicated simulation software has been used to better understand the behaviour and predict the production from oil reservoirs depending on the developed technologies. Modern ... En savoir plus

In this paper, COMSOL Multiphysics software is utilized as a finite element forward solver to obtain the electromagnetic fields at the receiving antennas while the breast is illuminated by one antenna in the array. Geometry consists of coronal slices of the 3-D breast. Simulations are ... En savoir plus

This study presents a oil-gas two-phase linear flow EMH model using COMSOL Multiphysics simulator. Special attention is focused on reservoirs with characteristics for which steam injection is not attractive or feasible such as low permeability, thin-zone, and extra-heavy oil reservoirs. ... En savoir plus

Computer simulation is mandatory for the optimization of electromagnetic devices. Here we concentrate on two classes of devices operating in the MHz and GHz range, namely microwave ovens and TEM cells for electromagnetic compatibility testing. In particular we concentrate on the issue ... En savoir plus

This work presents the results of a 3D numerical magneto-hydrodynamic (MHD) simulation of an electromagnetic DC pump for liquid metal using a rectangular metal flow channel subjected to an externally imposed transversal inhomogeneous magnetic field. In this study. 3D numerical simulation ... En savoir plus

The rotating permanent magnet heater is an high efficient system for the electromagnetic heating of Aluminium billet bifore the extrusion process. In the paper will explained how to modeling with COMSOL Multiphysics® the system form the electromagnetic point of view using the ACDC ... En savoir plus

The current general context for green production and decarbonation prompts considering alternative solutions to produce high added value byproducts from gas decomposition without producing CO2. Steam Reforming or Combustion processes, widely applied in Industry, need H2O or O2 to ... En savoir plus

Accurate magnetic field simulations are crucial in the design and optimization of advanced electromagnetic systems of the multi-beam mask writers (MBMWs). In MBMW systems, thousands of electron beams are focused with nanoscale precision within a small region close to the axis [μm], while ... En savoir plus

In this paper an axisymmetric model of annular linear electromagnetic induction pumps using numerical methods and four approaches (two transient and two quasi-stationary) with different complexity is studied. Comparison of integral characteristics is performed between numerical ... En savoir plus