A5033818602- Particle accelerators and beam dynamics
- Superconducting Materials and Applications
- Particle Accelerators and Free-Electron Lasers
- Magnetic confinement fusion research
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Particle Detector Development and Performance
- Magnetic Properties of Alloys
- Gyrotron and Vacuum Electronics Research
- Silicon Carbide Semiconductor Technologies
- Metal and Thin Film Mechanics
- Adhesion, Friction, and Surface Interactions
- Mobile Agent-Based Network Management
- Ferroelectric and Piezoelectric Materials
- Magnetic properties of thin films
- Fusion materials and technologies
- Rare-earth and actinide compounds
- Metallurgical and Alloy Processes
- Physics of Superconductivity and Magnetism
- Radiation Therapy and Dosimetry
- Multilevel Inverters and Converters
- Advanced Surface Polishing Techniques
- Microfluidic and Capillary Electrophoresis Applications
- Maritime Navigation and Safety
- Microwave Dielectric Ceramics Synthesis
European Organization for Nuclear Research
2018-2024
ITER
2019
Universidad Complutense de Madrid
2008-2018
European Spallation Source
2018
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
2008-2015
Unidades Centrales Científico-Técnicas
2009-2015
University of Havana
1990-1992
The design of the ITER primary quench detection system is nearly completion, and baseline presented in this article. paper describes devices that will protect magnets against cable-in-conduits conductors coils. CS be protected by one based on co-wound tapes, another making use voltage taps only, complemented a real-time calculation inductive noise called MIK. TF set plus second stage compensation performed numerically. A classical balance-bridge using part first also used. two other systems,...
The superconducting combined magnets for the main linac are part of Spanish contribution to XFEL. Each magnet consists a super-ferric quadrupole focusing and two dipoles (horizontal vertical) steering, glued on beam tube. will be operated in superfluid helium bath. aperture is 78 mm. gradient 35 T/m whereas each dipole field about 0.04 T. This paper reports magnetic measurements made first prototype. Measured quality matches calculated values, both at room cold conditions. Magnetization has...
Due to their pulsed and fast discharge operation, the superconducting systems of ITER will experience high voltage variations and, as a result, instrumentation for quench detection also those levels. Therefore risk an electrical breakdown between wires ground cannot be discarded. Current Limiting Resistors (CLRs) inside cryostat, connected in series with magnet wires, embedded insulation, were included base line prevent consequential damage following breakdown. A CLR can mitigate effects...
Abstract This study evaluates the lifetime and aging process of aluminium electrolytic capacitors to be used in new protection systems High Luminosity LHC superconducting magnets. The accelerated testing analysis several groups aged for more than one year provided insights into their expected lifespan process. results obtained have practical implications maintenance replacement schedules, as well selection acceptance Heater Discharge Power Supplies (HDS) equipment. knowledge gained from this...
The newly developed concept of coupling-loss-induced quench (CLIQ) used in the domain superconducting magnets protection has opened a new path toward efficient magnet protection. Subsequently to first trials using ad hoc solutions order confirm functionality and performance method, two pre-series three units each with different hardware configurations have been recently manufactured at CERN. Starting from design phase, realization follows industrial standards associated quality control. At...
This paper introduces an effective technique for reducing semiconductor switching losses, and evenly distributing them, in current-controlled single-phase inverters. The current frequency is reduced taking advantage of three-level commutation by a double hysteresis-band current-control strategy imported from multilevel converters studies. Furthermore, additional reduction the accomplished modifying standard pattern balancing power dissipation between upper lower devices. An overall losses...
CLIC (compact linear collider) is a future e+e− collider based on normal-conducting technology, currently under study at CERN. Its design novel two-beam acceleration scheme. The main beam gets RF power extracted from drive through extraction and transfer structures (PETS). technical feasibility of being proved by its Third Test Facility (CTF3) which includes the experimental area (CLEX). Two Double Length PETS will be installed in CLEX to validate their performance with beam. This paper...
Abstract Air plasma sprayed tungsten carbide-cobalt coatings are being used at Kelly Force Base for a fretting application convergent seals in aircraft engines. Experimental and analytical studies were conducted to investigate the spraying of two powders this application. Statistical processing schemes accomplished conjunction with modeling air spray (APS) process. Classical statistically designed experiments (SDE) chosen be determined by modeling. The characterized composition, hardness,...