Utilisation and Reliability of High Power Proton Accelerators

Workshop Proceedings, Daejeon, Republic of Korea, 16-19 May 2004

image of Utilisation and Reliability of High Power Proton Accelerators

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.



Experimental Verification of Selected Transmutation Technology and Materials for Basic Components of a Demonstration Transmuter with Liquid Fuel Based

Nuclear Energy Agency

Development of the project SPHINX (spent hot fuel incinerator by neutron flux) is based on the utilisation of a subcritical nuclear reactor system with liquid fuel based on molten fluorides. Existing experimental facilities have been used for experimental testing of the system, individual technological components and newly developed materials that should be resistant in the environment of molten fluorides at operational temperatures. Examples of facilities include the experimental reactors LR-0 and VR-1 with inserted zones for the investigation of neutronic characteristics of transmuter blanket cores, research reactor LVR-15 with instrumented probes for transmuter blanket sample testing in high neutron flux conditions, and experimental loops with molten fluoride salts for an investigation of transmuter system operational conditions. This paper describes some of the experiments performed and results obtained thus far.


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