A5026509777- Superconducting Materials and Applications
- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Physics of Superconductivity and Magnetism
- Magnetic confinement fusion research
- Particle physics theoretical and experimental studies
- Spacecraft and Cryogenic Technologies
- Particle Detector Development and Performance
- Electric Motor Design and Analysis
- Frequency Control in Power Systems
- Laser-Plasma Interactions and Diagnostics
- High-Energy Particle Collisions Research
- Laser-induced spectroscopy and plasma
- International Science and Diplomacy
- Superconductivity in MgB2 and Alloys
- Magnetic Field Sensors Techniques
- Nuclear Physics and Applications
CEA Grenoble
2021
CEA Cadarache
2021
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2010-2021
Institut de Recherche sur les Lois Fondamentales de l'Univers
2010-2019
CEA Paris-Saclay
2006-2019
Université Paris-Saclay
2017
DSM (Netherlands)
2011-2013
CEA Paris-Saclay - Etablissement de Saclay
2008
High critical temperature superconductors (HTS) bring a lot of opportunities for SMES (Superconducting Magnetic Energy Storage). The large current densities under very high fields and the mechanical strength IBAD route ReBaCuO coated conductors are favorable characteristics. Electricity storage still is an issue in general interesting solution pulse supplies especially if its energy density increases. record SC magnet 13.4 kJ/kg today. We study how to enhance this value. One main limitations...
Next generation of dipole magnets with a field higher than 16 T are considered for future particle colliders. To do so, combined-technology magnets, made Nb–Ti, <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="TeX">$\hbox{Nb}_{3}\hbox{Sn}$</tex-math></inline-formula> and high-temperature superconductor (HTS) materials, have to be developed reduce the cost such magnet. Therefore, in framework European Coordination...
Future accelerator magnets will need to reach higher field in the range of 20 T. This level is very difficult using only Low Temperature Superconductor materials whereas High Superconductors (HTS) provide interesting opportunities. current densities and stress levels are needed design such magnets. YBCO superconductor indeed carries large under high magnetic provides good mechanical properties especially when produced IBAD approach. The HFM EUCARD program studies realization an HTS insert 6...
Future accelerator magnets will need to reach a magnetic field in the 20 T range. Reaching such is challenge only reachable using high temperature superconductor (HTS) material. The current densities and stress levels needed satisfy design criterion of make YBaCuO most appropriate candidate especially when produced IBAD route. HFM EUCARD program aimed at designing manufacturing dipole insert made HTS material generating 6 inside Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...
In the framework of EuroCirCol project, development a conceptual design future circular collider main dipole is performed. The status block-coil option under investigation at CEA Saclay presented. First, two-dimensional (2-D) electromagnetic analysis performed in double aperture configuration with an interbeam separation 250 mm. This completed by 3-D magnetic optimization, taking into consideration peak field value and position, as well coil ends integrated quality. objective optimization to...
<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> The R3B-Glad superconducting Magnet provides the field required for a large acceptance spectrometer, dedicated to analysis of Reactions with Relativistic Radioactive ions Beams. In framework FAIR Project GSI and within NUSTAR physics program, technical study started in 2006, engineering design is undertaken. </para>
The R <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> B-Glad superconducting Magnet is a large acceptance dipole, dedicated to the analysis of Reactions with Relativistic Radioactive ions Beams. It takes part in FAIR Project at GSI. As NbTi Rutherford cable was under production, detailed studies mechanical structure (with both simulation and experiment on half-scale mock-up) led revise magnet design abandon grading coils three stages....
The large scale particle accelerators of the future in 20 T regime are enabled by high temperature superconducting magnets. dipole magnets needed new high-field can be constructed with an YBCO insert and a Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Sn outsert. Such configuration makes quench analysis magnet protection challenging because behavior both these coils is different there very strong inductive coupling between coils....
A CEA-CNRS French collaboration is currently developing a new hybrid magnet; this magnet combines resistive insert composed of Bitter and polyhelix coils large bore superconductor outsert to create an overall continuous magnetic field 42+ T in 34 mm warm aperture. The design the superconducting coil has been completed after thorough studies successful experimental validation phases. Based on novel development Nb-Ti/Cu Rutherford Cable On Conduit Conductor (RCOCC) cooled down 1.8 K by mean...
The Superconducting FRagment Separator (SuperFRS) is a part of the Facility for Antiproton and Ion Research, new international accelerator facility research with antiprotons ions to be built in Darmstadt, Germany. Super-FRS two-stage fragment separator consisting PreSeparator Main-Separator, which includes 24 superferric H-type dipole magnets trapezoidal structure large aperture. will have deflection radius 12.5 m, magnetic field up 1.6 T, an effective length more than 2 m bend ion beams...
The 4 T, 12.5 m long, 6 bore diameter superconducting solenoid for the CMS (Compact Muon Solenoid) experiment at LHC will be largest and most powerful ever built. Part of design is based on that previous large solenoids-the use a high purity aluminium stabilized conductor, compact impregnated winding with indirect cooling quench back protection process. However, dimensions performances this have imposed solutions which are more than extrapolations ones : mechanically reinforced conductor...
A CEA-CNRS French collaboration is currently developing a new hybrid magnet to produce in first step continuous magnetic field of 43 T 34-mm warm bore aperture. This combines resistive insert, composed Bitter and polyhelix coils, large superconducting “outsert.” The coil based on the novel development Nb-Ti/Cu Rutherford Cable On Conduit Conductor (RCOCC) cooled down 1.8 K by bath superfluid helium at atmospheric pressure. It aims producing nominal 8.5 1.1-m cold diameter. specifications...
The ATLAS Barrel Toroid, part of the Detector built at CERN, is comprised 8 coils symmetrically placed around LHC beam axis. coil dimensions are 25 m length, 5 width and 0.4 thickness. Each cold mass consists 2 double pancakes aluminum stabilized NbTi conductor held in an alloy casing. Because magnet conduction cooled a good bonding between superconducting winding casing basic requirement. Due to high load level induced by Lorentz forces on pancakes, pre-stressing technique has been...
Comparison between active and passive shielding magnets for a large acceptance superconducting dipole magnet has been carried out. The two designs have studied to answer the new requirements of Nuclear Physics experiments in order get momentum resolution up 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-3</sup> with 1 GeV/nucleon heavy-ion beams: A field integral about 5Tmiddotm]], very low fringe field, especially target region meter...
The Super conducting FRagment Separator (Super-FRS) is a part of Facility for Antiproton and Ion Research, new international accelerator facility the research with antiprotons ions to be built in Darmstadt, Germany. Super-FRS includes 24 super ferric H-type dipole magnets trapezoidal structure large aperture, deflection radius 12.5 m, magnetic field up 1.6 T, effective length more than 2 m bending ion beams (with rigidity from 20 Tm). Two Nb-Ti coils will located inside cryostat order cooled...
The R3B-GLAD (GSI Large Acceptance superconducting Dipole) magnet provides the magnetic field needed for R3B (Reaction studies with Radioactive Relativistic Beams) experiment which will be implemented on future FAIR Facility (Facility Antiproton and Ion Research). There are six trapezoidal racetrack coils magnet. Two main four lateral connected in series a butterfly-like shape. total weight of is 5.2 t. cold mass assembly consists coils, coil-casings, structural linking components other...
The Superconducting FRagment Separator (Super-FRS) is a two-stage separator to be built next the site of GSI, Darmstadt, Germany, as part Facility for Anti-Proton and Ion Research. Its purpose create separate rare isotope beams enable mass measurement also very short lived nuclei. Overall, Super-FRS consists 24 dipole magnets so-called superferric type, with superconducting coils but field shaped by magnetic iron. coil trapezoidal-shaped configuration, which wound NbTi wires high Cu/Sc ratio...
CEA has the responsibility of design studies for superferric 1.6 T dipole magnets Superconducting FRagment Separator (Super-FRS) which is part Facility Antiproton and Ion Research (FAIR) in Darmstadt, Germany. After completing study 21 Super-FRS standard magnets, currently analysing conceptual solutions three branched magnets. Branched are necessary to allow separated particles be directed along each branches separator. The dipoles will keep most features incorporated magnet but they have...
Current technical superconductors, such as Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Sn, are limited to fields around 20 T by their intrinsic material properties. Generating significantly stronger magnetic can only be done using resistive magnets, or combining superconducting and magnets (hybrid magnets), at the expense of large power consumption operating cost. A CEA-CNRS French collaboration is currently developing a new...
Based on a close collaboration between CEA and CNRS, new hybrid magnet is being built at LNCMI-Grenoble. By combining resistive insert, which made of Bitter polyhelix coils, with large bore superconducting outsert, an overall continuous magnetic field least 43 T will be produced in 34-mm warm aperture. The coil relies the novel development Nb-Ti/Cu Rutherford cable-on-conduit conductor cooled down to 1.8 K by bath superfluid helium atmospheric pressure produce nominal 8.5 1.1-m cold...
The SEPAGE spectrometer (Spectromètre Electrons Protons A Grandes Energies) was realized within the PETAL+ project funded by French ANR (French National Agency for Research). This plasma diagnostic, installed on LMJ-PETAL laser facility, is dedicated to measurement of charged particle energy spectra generated experiments using PETAL (PETawatt Aquitaine Laser). inserted inside 10-meter diameter LMJ experimental chamber with a SID (Diagnostic Insertion System) in order be close enough target....
<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> The R3B-GLAD magnet is a large acceptance superconducting dipole magnet. It provides the magnetic field needed for R3B (Reaction studies with Radioactive Relativistic Beams) experiment which will be implemented on future FAIR Facility (Facility Antiproton and Ion Research). cold mass structure of designed to hold six coils in position resist high level forces. assembly consists coils, coil...
The cold mass of the R3B magnet consists a set six trapezoidal racetrack coils. There are two main coils and pairs lateral which connected in series butterfly-like shape. imbedded coil-casings covers made aluminum alloy 5083. four (two coil-casings) linking components between coil casings. will be placed large cryostat. purpose cooling system is to get R3B-GLAD at proper temperature for running operations under magnetic field. indirectly cooled. cool down ensured by gas helium forced flow....
The air-core Barrel Toroid of the ATLAS Detector at CERN Large Hadron Collider, is largest superconducting magnet ever built. This muon-spectrometer consists 8 discrete coils, arranged symmetrically around beam axis. average field 0.5 T, and stored energy 1.1 GJ. windings are 25 m long, 5 wide 0.4 thick. Each coil cold mass 2 double pancakes aluminum-stabilized NbTi conductor securely fixed in an aluminum alloy casing. Before assembly, each tested individually presence a magnetic mirror to...