Utilisation and Reliability of High Power Proton Accelerators
Workshop Proceedings, Daejeon, Republic of Korea, 16-19 May 2004
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Accelerator-driven systems (ADS) are being considered for their potential use in the transmutation of radioactive waste. The performance of such hybrid nuclear systems depends to a large extent on the specification and reliability of high power accelerators, as well as the integration of the accelerator with spallation targets and sub-critical systems. At present, much R&D work is still required in order to demonstrate the desired capability of the system as a whole.
Accelerator scientists and reactor physicists from around the world gathered at an NEA workshop to discuss issues of common interest and to present the most recent achievements in their research. Discussions focused on accelerator reliability; target, window and coolant technology; sub-critical system design and ADS simulations; safety and control of ADS; and ADS experiments and test facilities. These proceedings contain the technical papers presented at the workshop as well as summaries of the working group discussions held. They will be of particular interest to scientists working on ADS development as well as on radioactive waste management issues in general.
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R&D of ADS in Japan
Nuclear Energy Agency
Under the OMEGA programme, the Japan Atomic Energy Research Institute (JAERI) continues to carry out the development of partitioning processes, nitride fuel technology, and a basic study to support the development of accelerator-driven systems (ADS). The current status of the technical issues to realiseADS are summarised: high-intensity proton accelerator, lead-bismuth technology, subcritical level, power control for the core, beam window and spallation target, and the Transmutation Experimental Facility proposed in the framework of the High-intensity Proton Accelerator Project: J-PARC. Further, the roles of P&T on high-level waste disposal including cost estimate are summarised. Kyoto University and KEK are moving forward with the experimental project Accelerator-driven Subcritical Reactor (ADSR), in which a small proton accelerator called Fixed-field Alternating Gradient (FFAG) will be coupled with a critical assembly, KUCA...
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