Neutronic analysis for the IFMIF target and test cell using a new CAD-based geometry model

被引:12
作者
Kondo, Keitaro [1 ]
Arbeiter, Frederik [1 ]
Fischer, Ulrich [1 ]
Grosse, Dennis [1 ]
Heinzel, Volker [1 ]
Klix, Axel [1 ]
Serikov, Arkady [1 ]
Tian, Kuo [1 ]
Weber, Viktoria [1 ]
机构
[1] Karlsruhe Inst Technol, Eggenstein Leopoldshafen, Germany
关键词
IFMIF; Target and test cell; Fusion neutronics; McDeLicious; McCad; MCNP;
D O I
10.1016/j.fusengdes.2012.02.060
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
This work presents neutronic analyses to support the IFMIF target and test cell (TIC) design in the framework of the Broader Approach activities. A very detailed Monte Carlo geometry model of IFMIF TTC based on the modular TTC concept was prepared directly from a CAD model by using the McCad conversion software which has been developed at KIT. The Monte Carlo code McDeLicious, which is an enhancement to MCNP5, was utilized and nuclear heating, displacement damage and gas production rates in the TTC vessel wall were calculated. The calculation result shows that there are two prominent peaks; downstream of the test modules due to the high energy neutron contribution for gas productions and upstream due to neutron back-streaming along the beam ducts. The result suggests iris very important in the neutronic analysis to consider the detailed configuration of TTC and test modules. The dose rate distribution during operation has been assessed for the rooms adjacent to TTC across thick surrounding walls. The necessary thickness for the shielding walls has been examined. The result demonstrates the substantial improvement in the shielding capability for the top access cell with the present TTC design. (C) 2012 Keitaro Kondo. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:983 / 988
页数:6
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