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| Abstract |
Nuclear analyses of a tandem mirror fusion reactor GAMMA-R were carried out for two candidate blanket coolants : liquid lithium and super critical pressurized water. Neutronics and photonics calculati...ons were performed with the one-dimensional discrete ordinates code ANISN. A P_3-S-_8 approximation in cylindrical geometry was used in the transport calculations. The tandem mirror fusion reactor lends itself well to one-dimensional cylindrical modeling, because it is basically a long cylinder. As the results of these calculations, the following features are revealed : The blanket cooled by liquid lithium has an adequate tritium breeding ratio, while the blanket cooled by super critical pressurized water does not satisfy the design criterion for the tritium breeding ratio of ～1.1. The blanket energy multiplication factor is～1.2 for both blankets, All the calculated radiation damage parameters such as aluminum displacement rate, epoxy and mylar dose rate, nuclear heating rate at the surface of the superconducting magnets are found to satisfy the design criteria imposed.show more
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