Antingen stödjer din webbläsare inte javascript, eller är javascript inaktiverat. Denna webbplats fungerar bäst om du aktiverar javascript.
Anställd på Avdelningen för svetsteknologi.
Forskar inom området teknik, produktionsteknik.
Rumsnummer: I3-204
Isabelle Choquets område är strömningsmekanik vid mycket höga temperaturer. Det innebär att hon studerar de fysikaliska fenomen som uppträder i till exempel elektriska ljusbågar. I sin forskning arbetar hon med modellering och simulering, vilket innebär att hon ställer upp ekvationer som beskriver de fysikaliska fenomenen. Dessa ekvationer är så komplicerade att de inte kan lösas utan datorhjälp.
Isabelle Choquet undervisar i termodynamik, värmeöverföring och strömningsmekanik på grundutbildningen för ingenjörer och på ett av Högskolan Västs magisterprogram.
Strömningsmekanik, termo- och fluiddynamik, svetsning.
Publikationer
The effect of different shapes of laser beam power density distribution was investigated numerically with respect to the thermo-hydrodynamics of th...
A recent review pointed out that the existing models for gas tungsten arc coupling the electrode (a cathode) and the plasma are not yet complete...
Abstract: We report on an experimental investigation of the incubation effect during irradiation of stainless steel with bursts of ultrashort laser...
We report on an experimental study of the incubation effect during irradiation of stainless steel targets with bursts of femtosecond laser pulses a...
A fluid dynamics approach to modelling of fusion welding in titanium alloys is proposed. The model considers the temporal and spatial evolution of...
This paper introduces a novel arc heat treatment technique to produce samples with graded microstructures through the application of controlled...
Plasma spray is one of the most versatile and established techniques for the deposition of thick coatings that provide functional surfaces to prote...
Comprehensive models of heat transfer require specification of the total amount of heat received by the workpiece. The objective of this work was t...
A multi-scale, multi-physics modelling framework of selective laser melting (SLM) in the nickel-based superalloy IN718 is presented. Representative...
Gas tungsten arcs are used as heat sources in production processes such as welding and metal deposition.However, the most advanced of the existing...
Material properties of welds are strongly influenced by the thermal history, including the thermo-fluid and electromagnetic phenomena in the weld...
Various models coupling the refractory cathode, the cathode sheath and the arc at atmospheric pressure exist. They assume a homogeneous cathode wit...
Abstract A detailed study of a swirling flow in a tube is presented in the first part of the paper. A simplified analytical solution of the governi...
A comprehensive model on heat transfer in welded plates is able to calculate the amount of heat losses from the surfaces. A model demands as input...
In this study, a rational approach is proposed to design a device for inducing swirling flow in heat exchanger pipes, for improved efficiency in th...
Laser welding is used in several industrial applications. It can be distinguished between conduction mode and keyhole mode welding, between pulsed...
A main problem raised by arc welding manufacturing is the determination ofthe optimal process parameters to ensure weld quality as well as resource...
Modelling of the arc in electric arc welding is significant to achieve a better pro-cess understanding, thus gain better weld quality and a more...
Pour modéliser un plasma thermique à deux températures, les travaux de la littérature proposent en général de résoudre une équation pour l’énergie...
This paper proposes an improved Saha law for calculating the 2T composition of an Argon thermal plasma. This law is based on a simplified kinetic...
Most simulation studies done to deeper understand high-intensity welding arcs address axi-symmetric configurations and use the electric potential...
In the present work a three-dimensional model has been developed to study shieldinggas flow and heat transfer in a laser welding process using...
Four different approaches were considered for modelling the electromagneticfields of high-intensity electric arcs: i) the three-dimensional model,...
The aim of this study was to review the literature that specifies arc efficiency values for gas tungsten arc welding (GTAW) and, if possible, propo...
This study focuses on the modeling of a plasma arc heat source in the context ofelectric arc welding. The model was implemented in the open source...
This paper describes the implementation of a 3D numerical solver for electric arc welding, where the fluid mechanics of the shielding gas is strong...
This study focused on the modeling and simulation of a plasma heat source applied toelectric arc welding. The heat source was modeled in three spac...
A thermal plasma is studied accounting for both impact ionization, and an electromagnetic field. This plasma problem is modeled based on a system o...
This study focuses on the simulation of a plasma arc heat source in the context of electric arc welding. The simulation model was implemented in th...
Partially ionized plasmas corresponding to different ionization degrees are derived and connected one with each other by the diffusion approximatio...
This study aimed to numerically and experimentally investigate lump formation during atmospheric plasma spraying with powder injection downstream t...
In this paper we study a partially ionized plasma that corresponds to an arc discharge at atmospheric pressure. We derive an inviscid hydrodynamic/...
A new geometry of the powder port ring holder used in atmospheric plasma spraying has recently been designed to avoid lump formation, and...
Plasma spraying operations performed with high carrier gas flow rate may improve the coating properties but they can also lead to lump formation an...
Forskningsprojekt
