164 citations · 554 across the 15 of their papers we have counts for
15 papers
2D Modeling of HTS Coils with - Formulation: How to Handle Different Coupling Scenarios
Bárbara Maria Oliveira Santos, Gabriel Dos Santos, Frédéric Sirois +5
Numerical models based on the finite-element method (FEM) are popular tools for investigating the macroscopic electromagnetic behavior of high-temperature superconductor (HTS) appl…
Hyperbolic Basis Functions for Time-Transient Analysis of Eddy Currents in Conductive and Magnetic Thin Sheets
Bruno de Sousa Alves, Ruth V. Sabariego, Marc Laforest +1
This paper presents a new time-domain finite-element approach for modelling thin sheets with hyperbolic basis functions derived from the well-known steady-state solution of the lin…
Thin-Shell Approach for Modeling Superconducting Tapes in the - Finite-Element Formulation
Bruno de Sousa Alves, Valtteri Lahtinen, Marc Laforest +1
This paper presents a novel finite-element approach for the electromagnetic modeling of superconducting coated conductors. We combine a thin-shell (TS) method to the - formul…
COMSOL implementation of the H--formulation with thin cuts for modeling superconductors with transport currents
Alexandre Arsenault, Bruno de Sousa Alves, Frédéric Sirois
Despite the acclaimed success of the magnetic field (H) formulation for modeling the electromagnetic behavior of superconductors with the finite element method, the use of vector-d…
The eta-beta model model: an alternative to the power-law model for numerical simulations of REBCO tapes
Nicolò Riva, Frederic Sirois, Christian Lacroix +4
When modeling superconducting devices based on REBCO tapes andworking near or above the critical current value (i.e. I> Ic), the power-law model is not always accurate. In our prev…
Efficient modeling of high temperature superconductors surrounded by magnetic components using a reduced H- formulation
Alexandre Arsenault, Frédéric Sirois, Francesco Grilli
Although the H-formulation has proven to be one of the most versatile formulations used to accurately model superconductors in the finite element method, the use of vector dependen…
Concepts of Static vs. Dynamic Current Transfer Length in 2G HTS coated conductors with a Current Flow Diverter Architecture
Jean-Hughes Fournier-Lupien, Frédéric Sirois, Christian Lacroix
This paper uses both experimental and numerical approaches to revisit the concept of current transfer length (CTL) in second-generation high-temperature superconductor coated condu…
Implementation of the H- formulation in COMSOL Multiphysics for simulating the magnetization of bulk superconductors and comparison with the H-formulation
Alexandre Arsenault, Frédéric Sirois, Francesco Grilli
The H-formulation, used abundantly for the simulation of high temperature superconductors, has shown to be a very versatile and easily implementable way of modeling electromagnetic…
Fluorescent thermal imaging of a non-insulated pancake coil wound from high temperature superconductor tape
R. Gyuráki, T. Benkel, F. Schreiner +2
We have wound a 157-turn, non-insulated pancake coil with an outer diameter of 85 mm and we cooled it down to 77 K with a combination of conduction and gas cooling. Using high-spee…
High-speed fluorescent thermal imaging of quench propagation in high temperature superconductor tapes
Roland Gyuráki, Frédéric Sirois, Francesco Grilli
Fluorescent Microthermographic Imaging, a method using rare-earth fluorescent coatings with temperature-dependent light emission, was used for quench investigation in high temperat…
Spatial modulation of Joule losses to increase the normal zone propagation velocity in (RE)BaCuO tapes
Jean-Hughes Fournier-Lupien, Christian Lacroix, Sebastian Hellmann +1
This paper presents a simple approach to increase the normal zone propagation velocity in (RE)BaCuO thin films grown on a flexible metallic substrate, also called superconducting t…
Design and Comparison of a 1 MW / 5s HTS SMES with Toroidal and Solenoidal Geometry
Antonio Morandi, Massimo Fabbri, Babak Gholizad +3
The design of a HTS SMES coil with solenoidal and toroidal geometry is carried out based on a commercially available 2G HTS conductor. A SMES system of practical interest (1 MW / 5…
A self-consistent model for estimating the critical current of superconducting devices
Victor M. R. Zermeño, Frederic Sirois, Makoto Takayasu +3
Nowadays, there is growing interest in using superconducting wires or tapes for the design and manufacture of devices such as cables, coils, rotating machinery, transformers and fa…
Potential and limits of numerical modelling for supporting the development of HTS devices
Frédéric Sirois, Francesco Grilli
In this paper, we present a general review of the status of numerical modelling applied to the design of high temperature superconductor (HTS) devices. The importance of this tool…
Self-consistent Modeling of the of HTS Devices: How Accurate do Models Really Need to Be?
Francesco Grilli, Frederic Sirois, Victor M. R. Zermeno +1
Numerical models for computing the effective critical current of devices made of HTS tapes require the knowledge of the Jc(B,theta) dependence, i.e. of the way the critical current…