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CFBR-Ⅱ堆脉冲状态反应性温度系数测量

高辉 刘晓波 蒋勇 范晓强

高辉, 刘晓波, 蒋勇, 范晓强. CFBR-Ⅱ堆脉冲状态反应性温度系数测量[J]. 原子核物理评论, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114
引用本文: 高辉, 刘晓波, 蒋勇, 范晓强. CFBR-Ⅱ堆脉冲状态反应性温度系数测量[J]. 原子核物理评论, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114
GAO Hui, LIU Xiao-bo, JIANG Yong, FAN Xiao-qiang. Measurement of Reactivity Temperature Coefficient of CFBR-Ⅱ in Burst State[J]. Nuclear Physics Review, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114
Citation: GAO Hui, LIU Xiao-bo, JIANG Yong, FAN Xiao-qiang. Measurement of Reactivity Temperature Coefficient of CFBR-Ⅱ in Burst State[J]. Nuclear Physics Review, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114

CFBR-Ⅱ堆脉冲状态反应性温度系数测量

doi: 10.11804/NuclPhysRev.29.01.114

Measurement of Reactivity Temperature Coefficient of CFBR-Ⅱ in Burst State

  • 摘要: 反应性温度系数是脉冲堆重要参数之一, 采用一种特殊的方法测量了脉冲状态反应性温度系数。 把脉冲的全过程分为峰和坪两个过程, 根据Fuchs-Hansen模型知道脉冲峰过程的反应性减小量为系统初始超瞬发反应性的2倍, 采用脉冲波形去坪的方法分离出峰过程贡献的温升, 由此得到CFBR-Ⅱ堆的脉冲反应性温度系数αT=-0.00202 $/K。 Reactivity temperature coefficient is one of important parameters of burst reactor. The methods of measuring the coefficient were introduced and analyzed. The whole process of burst is split into “peak” process and “tail” process. Reactivity reduction is twice as large as initial excess reactivity in “peak” process from FuchsHansen model. Increment of temperature induced by “peak” process was got through removing “tail”. So we deduced reactivity temperature coefficient of CFBR-Ⅱ αT=-0.00202 $/K.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2012-03-20

CFBR-Ⅱ堆脉冲状态反应性温度系数测量

doi: 10.11804/NuclPhysRev.29.01.114

摘要: 反应性温度系数是脉冲堆重要参数之一, 采用一种特殊的方法测量了脉冲状态反应性温度系数。 把脉冲的全过程分为峰和坪两个过程, 根据Fuchs-Hansen模型知道脉冲峰过程的反应性减小量为系统初始超瞬发反应性的2倍, 采用脉冲波形去坪的方法分离出峰过程贡献的温升, 由此得到CFBR-Ⅱ堆的脉冲反应性温度系数αT=-0.00202 $/K。 Reactivity temperature coefficient is one of important parameters of burst reactor. The methods of measuring the coefficient were introduced and analyzed. The whole process of burst is split into “peak” process and “tail” process. Reactivity reduction is twice as large as initial excess reactivity in “peak” process from FuchsHansen model. Increment of temperature induced by “peak” process was got through removing “tail”. So we deduced reactivity temperature coefficient of CFBR-Ⅱ αT=-0.00202 $/K.

English Abstract

高辉, 刘晓波, 蒋勇, 范晓强. CFBR-Ⅱ堆脉冲状态反应性温度系数测量[J]. 原子核物理评论, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114
引用本文: 高辉, 刘晓波, 蒋勇, 范晓强. CFBR-Ⅱ堆脉冲状态反应性温度系数测量[J]. 原子核物理评论, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114
GAO Hui, LIU Xiao-bo, JIANG Yong, FAN Xiao-qiang. Measurement of Reactivity Temperature Coefficient of CFBR-Ⅱ in Burst State[J]. Nuclear Physics Review, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114
Citation: GAO Hui, LIU Xiao-bo, JIANG Yong, FAN Xiao-qiang. Measurement of Reactivity Temperature Coefficient of CFBR-Ⅱ in Burst State[J]. Nuclear Physics Review, 2012, 29(1): 114-116. doi: 10.11804/NuclPhysRev.29.01.114

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