2012, Volume 14, Issue 8
Strategic Study of CAE >> 2012, Volume 14, Issue 8
Performance and characteristic of in-hospital neutron irradiator
1. China Institute of Atomic Energy, Beijing 102413, China;
2. Beijing Capture Technology Co. Ltd., Beijing 102413, China;
3. China Zhongyuan Engineering Corporation, China National Nuclear Corporation, Beijing 100191, China
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Abstract
The design of in hospital neutron irradiator (IHNI) and its systems were introduced, and the performance and characteristics of IHNI were described. In order to test the inherent safety of IHNI, the experiment of 4.2 mk reactivity release was done. The experimental results showed that the peak power of IHNI was 85.7 kW at the time of 229 s after 4.2 mk reactivity release, and then, the power decreased owing to the negative temperature coefficient of moderator. The radiation dose rates at different rooms were lower than the standard value.
Keywords
in-hospital neutron irradiator(IHNI) ; boron neutron capture therapy(BNCT) ; inherent safety
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References
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[ 2 ] 江新标，张文首，王凯，等.医院中子照射器中子束理论设计[R].北京：中国原子能科学研究院，2005.
[ 3 ] LiYiguo，Xia Pu，Peng Dan.Start-up of the first in-hospital neu-tron irrudiator&presentation of the BNCT developrment stiatus in China[C]//Praceeding of ICNCT-14.Buenes Aires，Argentina：Comision Nacional de Energfa Atomica，2010：371-374.
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