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- Title
THE TRADE EXPERIMENT: SHIELDING CALCULATIONS FOR THE BUILDING HOSTING THE SUBCRITICAL SYSTEM.
- Authors
Burn, K. W.; Carta, M.; Casalini, L.; Kadi, Y.; Monti, S.; Nava, E.; Palomba, M.; Petrovich, C.; Picardi, L.; Rubbia, C.; Troiani, F.
- Abstract
The TRADE project (TRiga Accelerator Driven Experiment), to be performed at the existing TRIGA reactor at ENEA Casaccia, has been proposed as a validation of the accelerator-driven system (ADS) concept. TRADE will be the first experiment in which the three main components of an ADS—the accelerator, spallation target and sub-critical blanket&3x2014;are coupled at a power level sufficient to encounter reactivity feedback effects. As such, TRADE represents the necessary intermediate step in the development of hybrid transmutation systems, its expected outcomes being considered crucial—in terms of proof of stability of operation, dynamic behaviour and licensing issues—for the subsequent realisation of an ADS Transmutation Demonstrator. An essential role in the feasibility study of the experiment is played by radioprotection calculations. Such a system exhibits new characteristics with respect to a traditional reactor, owing to the presence of the proton accelerator. As beam losses always occur under normal operating conditions of an accelerator, shielding studies need to be performed not only around the reactor but also along the beam line from the accelerator to the spallation target. This paper illustrates a preliminary evaluation, using Monte Carlo methods, of the additional shielding to be located around the reactor structures, the beam transport line and the existing reactor building to allow access into the reactor hall and to restrict the doses outside to their legal limits.
- Subjects
PARTICLE accelerators; STOCHASTIC processes; MONTE Carlo method; NUMERICAL analysis; SPALLATION (Nuclear physics); NUCLEAR reactions
- Publication
Radiation Protection Dosimetry, 2005, Vol 115, Issue 1-4, p187
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/nci219