Target station shielding issues at the spallation neutron source

被引：1

作者：

Ferguson, PD ^{[1
]}

Gallmeier, FX ^{[1
]}

Iverson, EB ^{[1
]}

Popova, II ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37830 USA

来源：

RADIATION PROTECTION DOSIMETRY | 2005年 / 115卷 / 1-4期

关键词：

D O I：

10.1093/rpd/nci182

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Recent spallation neutron source shielding activities in support of the neutron beam shutters and the hot cell walls are presented. Existing neutron beam shutters can be replaced with concrete at low power or with concrete and steel at similar to 500 kW of beam power. Potential voids in the hot cell walls are analysed to determine the impact on dose rates as a function of void size. A change in the type of shielding work is noted as the project moved from the early design stages as a 'green field' site to the current stage as a construction project nearing completion, where issues to be addressed are approaching retrofit-type analyses.

引用

页码：170 / 175

页数：6

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