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THDD-90型中子电离室的标定与考验
CALIBRATION AND TEST OF THDD-90 NEUTRON IONIZATION CHAMBER
【摘要】 文章描述在HWRR上进行的THDD-90型中子电离室的中子、γ射线灵敏度刻度,坪特性测量及随堆热考验。结果表明,该电离室的中子灵敏度S_n=2.5×10 ̄(-14)A·cm ̄(-2)·s ̄(-1),γ射线灵敏度S_r=0.94×10 ̄(-11)A·(h·R ̄(-1))。经过13个月的随堆热考验后,其基本性能保持不变。
【Abstract】 The paper descibes the calibration of sensitivities to neutron and gamma radiation,the mea-surements of plateau characteristic and the on-line test of THDD-90 neutron ionization chamber inHWRR. The rusults show that the sensitivity is 2.5 × 10 ̄(-14)A· cm ̄(-2)·s ̄(-1) for the neufron and 0.94×10 ̄(-11)A·(h·R ̄(-1))for gamma,respectively,The basic characteristics of the ionization chamberhave been kept during on-line test in HWRR for more than one year.
- 【文献出处】 原子能科学技术 ,ATOMIC ENERGY SCIENCE AND TECHNOLOGY , 编辑部邮箱 ,1994年02期
- 【分类号】TL811.1
- 【被引频次】4
- 【下载频次】54