Preliminary analysis of time dependent tritium breeding characteristics of a water cooled ceramic breeder blanket for CFETR

doi:10.16568/j.0254-6086.201601013

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2016, Vol. 36 ›› Issue (1): 71-77.DOI: 10.16568/j.0254-6086.201601013

• Nuclear Fusion Engineering and Technology • Previous Articles Next Articles

Preliminary analysis of time dependent tritium breeding characteristics of a water cooled ceramic breeder blanket for CFETR

PU Yong1, LIU Song-lin1, CHEN Yi-xue2, LI Jia3, HUANG Kai1, LI Xiao-jing2, GAO Fang-fang3

(1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031; 2. School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206; 3. School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230027)

Received:2014-11-06 Revised:2015-08-14 Online:2016-03-15 Published:2016-03-15

CFETR 水冷陶瓷包层时间相关产氚特性初步分析

蒲勇1, 刘松林1, 陈义学2, 李佳3, 黄凯1, 李晓静2, 高芳芳

(1. 中国科学院等离子体物理研究所，合肥230031；2. 华北电力大学核科学与工程学院，北京102206； 3. 中国科学技术大学核科学技术学院，合肥 230026)

作者简介:蒲勇(1991-)，男，贵州遵义人，硕士研究生，核科学与工程专业。
基金资助:
国家磁约束核聚变能发展研究专项(2013GB108004，2014GB119000)；国家自然科学基金(11175207)

Abstract

Abstract:

Water cooled ceramic breeder blanket (WCCB) is one of the three blanket candidates for Chinese Fusion Engineering Testing Reactor (CFETR). Using a 1-D neutronics model of WCCB for CFETR and correction factor for simplification of neutronic model, time dependent tritium breeding characteristics of blanket were assessed by coupling calculation of the Monte Carlo neutron transport code MCNP and the inventory code FISPACT. Results showed that reduction of tritium breeding ratio (TBR) after several years, even to 20 years, was not obvious when duty time factor of CFETR is 0.5 and fusion power is 200MW, while reduction of annual tritium breeding production was distinct. Additionally, initial TBR of blanket has a great influence on time dependent tritium breeding characteristics.

Key words: WCCB, MCNP, FISAPCT, TBR, Tritium production

摘要：

水冷陶瓷包层是中国聚变工程实验堆(CFETR)的三种候选包层概念之一。基于CFETR水冷陶瓷包层的一维中子学模型，通过蒙特卡罗输运模拟程序MCNP和活化计算程序FISPACT的耦合计算，经三维转换系数修正，分析了CFETR水冷陶瓷包层时间相关产氚特性。结果表明，当CFETR运行因子为0.5，聚变功率为200MW时，水冷陶瓷包层在运行5年、10年、20年后，氚增殖率(TBR)的降低都不显著，但是年产氚剩余量的降低很明显。此外，产氚包层内初始时刻TBR对产氚特性的影响也很大。

关键词: 水冷陶瓷包层, MCNP, FISPACT, 氚增殖率, 产氚量

CLC Number:

TL62+6

PU Yong1, LIU Song-lin1, CHEN Yi-xue2, LI Jia3, HUANG Kai1, LI Xiao-jing2, GAO Fang-fang3. Preliminary analysis of time dependent tritium breeding characteristics of a water cooled ceramic breeder blanket for CFETR[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2016, 36(1): 71-77.

蒲勇1, 刘松林1, 陈义学2, 李佳3, 黄凯1, 李晓静2, 高芳芳. CFETR 水冷陶瓷包层时间相关产氚特性初步分析[J]. 核聚变与等离子体物理, 2016, 36(1): 71-77.

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Preliminary analysis of time dependent tritium breeding characteristics of a water cooled ceramic breeder blanket for CFETR

CFETR 水冷陶瓷包层时间相关产氚特性初步分析

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