71 citations · 318 across the 24 of their papers we have counts for
22 papers · 1 filter
Modelling Conduction Cooling of Superconducting Accelerator Magnets using a Thermal Thin Shell Approximation
Emma Vancayseele, Erik Schnaubelt, Louis Denis +3
Understanding the thermal behaviour of superconducting accelerator magnets is essential to ensure their stable and reliable operation. This work presents an extension of the Finite…
MuCol Milestone Report No. 7: Consolidated Parameters
Rebecca Taylor, Antoine Chancé, Dario Augusto Giove +459
This document is comprised of a collection of consolidated parameters for the key parts of the muon collider. These consolidated parameters follow on from the October 2024 Prelimin…
Distributed Inter-Strand Coupling Current Model for Finite Element Simulations of Rutherford Cables
Julien Dular, Alexander Glock, Arjan Verweij +1
In this paper, we present the Distributed Inter-Strand Coupling Current (DISCC) model. It is a finite element (FE) model based on a homogenization approach enabling efficient and a…
Reduced Order Hysteretic Flux Model for Transport Current Homogenization in Composite Superconductors
Alexander Glock, Julien Dular, Arjan Verweij +1
In this paper, we present the Reduced Order Hysteretic Flux (ROHF) model to describe the relationship between time-varying transport current and internal magnetic flux for composit…
The Muon Collider
Carlotta Accettura, Simon Adrian, Rohit Agarwal +450
Muons offer a unique opportunity to build a compact high-energy electroweak collider at the 10 TeV scale. A Muon Collider enables direct access to the underlying simplicity of the…
High Field Magnet Programme -- European Strategy Input
B. Auchmann, E. Todesco, A. Ballarino +6
In this submission, we describe research goals, implementation, and timelines of the High Field Magnet Programme, hosted by CERN. The programme pursues accelerator-magnet R&D with…
Transient Finite Element Simulation of Accelerator Magnets Using Thermal Thin Shell Approximation
Erik Schnaubelt, Andrea Vitrano, Mariusz Wozniak +3
Thermal transient responses of superconducting magnets can be simulated using the finite element (FE) method. Some accelerator magnets use cables whose electric insulation is signi…
Simulation of Rutherford Cable AC Loss and Magnetization with the Coupled Axial and Transverse Currents Method
Julien Dular, Fredrik Magnus, Erik Schnaubelt +2
The coupled axial and transverse currents (CATI) method was recently introduced to model the AC loss and magnetization in twisted composite superconducting strands with low computa…
Influence of Critical Current Distribution on Operation, Quench Detection and Protection of HTS Pancake Coils
Mariusz Wozniak, Erik Schnaubelt, Sina Atalay +5
High-temperature superconductor (HTS) coated conductors (CC) are often wound into pancake coils with electrical insulation in-between the turns. The copper terminals are used for c…
MuCol Milestone Report No. 5: Preliminary Parameters
Carlotta Accettura, Simon Adrian, Rohit Agarwal +391
This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2…
Reduced Order Hysteretic Magnetization Model for Composite Superconductors
Julien Dular, Arjan Verweij, Mariusz Wozniak
In this paper, we propose the Reduced Order Hysteretic Magnetization (ROHM) model to describe the magnetization and instantaneous power loss of composite superconductors subject to…
Interim report for the International Muon Collider Collaboration (IMCC)
C. Accettura, S. Adrian, R. Agarwal +383
The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implemen…
Coupled Axial and Transverse Currents Method for Finite Element Modelling of Periodic Superconductors
Julien Dular, Fredrik Magnus, Erik Schnaubelt +2
In this paper, we propose the Coupled Axial and Transverse currents (I) (CATI) method, as an efficient and accurate finite element approach for modelling the electric and magnetic…
Magneto-Thermal Thin Shell Approximation for 3D Finite Element Analysis of No-Insulation Coils
Erik Schnaubelt, Sina Atalay, Mariusz Wozniak +6
For finite element (FE) analysis of no-insulation (NI) high-temperature superconducting (HTS) pancake coils, the high aspect ratio of the turn-to-turn contact layer (T2TCL) leads t…
Towards a Muon Collider
Carlotta Accettura, Dean Adams, Rohit Agarwal +294
A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions a…
Proof of Concept of High-Temperature Superconducting Screens for Magnetic Field-Error Cancellation in Accelerator Magnets
L. Bortot, M. Mentink, C. Petrone +11
Accelerators magnets must have minimal magnetic field imperfections for reducing particle-beam instabilities. In the case of coils made of high-temperature superconducting (HTS) ta…
Fast Failures in the LHC and the future High Luminosity LHC*
B. Lindstrom, P. Bélanger, L. Bortot +11
An energy of is stored in each of the two LHC proton beams for nominal beam parameters. This will be further increased to about in the future High…
Numerical Analysis of the Screening Current-Induced Magnetic Field in the HTS Insert Dipole Magnet Feather-M2.1-2
Lorenzo Bortot, Matthias Mentink, Carlo Petrone +5
Screening currents are field-induced dynamic phenomena which occur in superconducting materials, leading to persistent magnetization. Such currents are of importance in ReBCO tapes…
A Coupled A-H Formulation for Magneto-Thermal Transients in High-Temperature Superconducting Magnets
Lorenzo Bortot, Bernhard Auchmann, Idoia Cortes Garcia +6
The application of high-temperature superconductors to accelerator magnets for future particle colliders is under study. Numerical methods are crucial for an accurate evaluation of…
STEAM: A Hierarchical Co-Simulation Framework for Superconducting Accelerator Magnet Circuits
Lorenzo Bortot, Bernhard Auchmann, Idoia Cortes Garcia +7
Simulating the transient effects occurring in superconducting accelerator magnet circuits requires including the mutual electro-thermo-dynamic interaction among the circuit element…
Coupling of Magneto-Thermal and Mechanical Superconducting Magnet Models by Means of Mesh-Based Interpolation
Michał Maciejewski, Pascal Bayrasy, Klaus Wolf +9
In this paper we present an algorithm for the coupling of magneto-thermal and mechanical finite element models representing superconducting accelerator magnets. The mechanical mode…
Testing Beam-Induced Quench Levels of LHC Superconducting Magnets
B. Auchmann, T. Baer, M. Bednarek +25
In the years 2009-2013 the Large Hadron Collider (LHC) has been operated with the top beam energies of 3.5 TeV and 4 TeV per proton (from 2012) instead of the nominal 7 TeV. The cu…