STUDIES OF PRESSURE-TUBE BLANKET LATTICES WITH THORIUM-BASED FUELS FOR A HYBRID FUSION-FISSION REACTOR

被引：5
|
作者：
Bromley, Blair P. [1 ]
机构：
[1] Canadian Nucl Labs, Chalk River, ON K0J 1J0, Canada
来源：
FUSION SCIENCE AND TECHNOLOGY | 2015年 / 68卷 / 03期
关键词：
CODE;
D O I：
10.13182/FST14-851
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：
A study of computational/analytical neutronics and heat transfer has been carried out for different types of gas-cooled fuel bundle lattices that could be used for the sub-critical fertile/fissionable blanket of a cylindrical-geometry hybrid fusion-fission reactor (HFFR) with thorium-based fuels. The HFFR concept envisioned is one with a simple cylindrical geometry, using an anticipated variant of a magnetic mirror to confine a deuterium-tritium (DT) fusion plasma. The annular-cylindrical blanket is approximately 10 meters long and 2 meters thick, and is a repeating lattice of pressure tubes filled with 0.5-meter fuel bundles that are made of (U-233,Th)O-2, and refuelled continuously on-line, sharing technological features with pressure-tube heavy water reactors (PT-HWR) and the Advanced Gas-Cooled Reactor (AGR) in the U.K. With a 2-meter thick blanket, the average fissile content in the blanket needs to be at least 2.5 wt% in order for the HFFR system to be self-sustaining in power.
引用
收藏
页码：546 / 560
页数：15
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