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Hazama, Taira; Tommasi, J.*
Proceedings of International Conference on the Physics of Fuel Cycles and Advanced Nuclear Systems; Global Developments (PHYSOR 2004), 95348 Pages, 2004/04
SEFOR (South-West Experimental Fast Oxide Reactor) Doppler reactivity experiment was re-evaluated. The re-evaluation was carried out on the static tests performed at power levels up to 20MW, starting from raw data of the Doppler reactivity and fuel temperature. Investigations are made on various parameters, such as the fuel thermal conductivity and weighting function to obtain core averaged fuel temperature. Experimental uncertainty is also re-evaluated. The re-evaluated Doppler constant is about 10% larger than the original GE evaluation. The increase is brought by the use of the exact weight to consider temperature distribution in the core and the update of fuel thermal conductivity. The new values are more reasonable than the currently recommended values in that C/E values do not depend on the core types.
Tommasi, G. D.*; Farthing, J.*; Joffrin, E.*; Vega, J.*; Vitale, V.*; Clement, S.*; Sartori, F.*; Kubo, Hirotaka; Nakajima, Noriyoshi*; Ozeki, Takahisa
no journal, ,
The ITER Remote Experimentation Centre is one of the projects currently under implementation within the International Fusion Energy Research Centre. The final objective of the REC is to allow researchers to take part in the experimentation on ITER from a remote location. This includes the possibility to receive in real-time information about the status of the machine and experimental data and to interact with the machine control room. This paper first gives an overview on the current status of the REC project, and then it focuses on a proposal for the REC demonstration to be carried out in collaboration with European Tokamaks. Finally, a possible implementation plan for the demonstration is discussed.
Tommasi, G. D.*; Farthing, J.*; Joffrin, E.*; Kubo, Hirotaka; Vitale, V.*; Clement, S.*; Sartori, F.*; Nakajima, Noriyoshi*; Ozeki, Takahisa
no journal, ,
The ITER Remote Experimentation Centre is one of the projects currently under implementation within the International Fusion Energy Research Centre. The final objective of the REC is to allow researchers to take part in the experimentation on ITER from a remote location. This includes the possibility to receive in real-time information about the status of the machine and experimental data and to interact with the machine control room. This paper first gives an overview on the current status of the REC project, and then it focuses on a proposal for the REC demonstration to be carried out in collaboration with European Tokamaks. Finally, a possible implementation plan for the demonstration is discussed.