skip to main content

Title: Thermal-electric coupled-field finite element modeling and experimental testing of high-temperature ion sources for the production of radioactive ion beams

In isotope separation on line facilities the target system and the related ion source are two of the most critical components. In the context of the selective production of exotic species (SPES) project, a 40 MeV 200 μA proton beam directly impinges a uranium carbide target, generating approximately 10{sup 13} fissions per second. The radioactive isotopes produced in this way are then directed to the ion source, where they can be ionized and finally accelerated to the subsequent areas of the facility. In this work both the surface ion source and the plasma ion source adopted for the SPES facility are presented and studied by means of numerical thermal-electric models. Then, numerical results are compared with temperature and electric potential difference measurements, and finally the main advantages of the proposed simulation approach are discussed.
Authors:
;  [1] ;  [2] ; ;  [1] ;  [3]
  1. INFN, Laboratori Nazionali di Legnaro, Viale dell’Universita’ 2, Legnaro, 35020 Padova (Italy)
  2. Department of Industrial Engineering, University of Padova, Via Venezia 1, 35131 Padova (Italy)
  3. (Italy)
Publication Date:
OSTI Identifier:
22482991
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 87; Journal Issue: 2; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; APPROXIMATIONS; COMPARATIVE EVALUATIONS; ELECTRIC POTENTIAL; FISSION; ION SOURCES; MEV RANGE 10-100; PLASMA; PROTON BEAMS; RADIOACTIVE ION BEAMS; RADIOISOTOPES; SIMULATION; URANIUM CARBIDES