Chinese Physics C > 2002, Vol. 26 > Issue(10): 1027-1035

Theoretical Studies on the New System of Neutron Flux Measurement in the Nuclear Reactor

Northwest Institute of Nuclear Technology, Xi'an 710024, China

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Abstract：
The neutron measurement system based on the Nuclear Pumped Laser (NPL) techniques was explored in this work utilizing the relationship between the neutron flux and the NPL laser power. Following the studies on the mechanism of the NPL, the laser intrinsic efficiency and the energy deposition efficiency in the laser cell of this system were theoretically studied in detail. A laser pumping mechanism was proposed. The variation of sensitivity with working time and the response function on neutron flux was discussed. The feasibility of this neutron measurement system was demonstrated theoretically.

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WAN Jun-Sheng, PAN Xiao-Bing, ZHAO Zhu-Min, CHEN Li-Xin, JING Chun-Yuan and WANG Dao-Hua. Theoretical Studies on the New System of Neutron Flux Measurement in the Nuclear Reactor[J]. Chinese Physics C, 2002, 26(10): 1027-1035.

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Received: 2001-11-23
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Theoretical Studies on the New System of Neutron Flux Measurement in the Nuclear Reactor

Corresponding author:WAN Jun-Sheng,

Northwest Institute of Nuclear Technology, Xi'an 710024, China

Received Date:2001-11-23

Accepted Date:1900-01-01

Available Online:2002-10-05

Abstract:The neutron measurement system based on the Nuclear Pumped Laser (NPL) techniques was explored in this work utilizing the relationship between the neutron flux and the NPL laser power. Following the studies on the mechanism of the NPL, the laser intrinsic efficiency and the energy deposition efficiency in the laser cell of this system were theoretically studied in detail. A laser pumping mechanism was proposed. The variation of sensitivity with working time and the response function on neutron flux was discussed. The feasibility of this neutron measurement system was demonstrated theoretically.

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Theoretical Studies on the New System of Neutron Flux Measurement in the Nuclear Reactor

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