摘要
A novel full-digital real-time neutron flux monitor（NFM） has been developed for the International Thermonuclear Experimental Reactor.A measurement range of 10~9 counts per second is achieved with 3 different sensitive fission chambers.The Counting mode and Campbelling mode have been combined as a means to achieve higher measurement range.The system is based on high speed as well as parallel and pipeline processing of the field programmable gate array and has the ability to upload raw-data of analog-to-digital converter in real-time through the PXIe platform.With the advantages of the measurement range,real time performance and the ability of raw-data uploading,the digital NFM has been tested in HL-2 A experiments and reflected good experimental performance.
A novel full-digital real-time neutron flux monitor（NFM） has been developed for the International Thermonuclear Experimental Reactor.A measurement range of 10~9 counts per second is achieved with 3 different sensitive fission chambers.The Counting mode and Campbelling mode have been combined as a means to achieve higher measurement range.The system is based on high speed as well as parallel and pipeline processing of the field programmable gate array and has the ability to upload raw-data of analog-to-digital converter in real-time through the PXIe platform.With the advantages of the measurement range,real time performance and the ability of raw-data uploading,the digital NFM has been tested in HL-2 A experiments and reflected good experimental performance.
作者
周翔
刘子豪
陈超
朱仁杰
赵丽
魏凌峰
阴泽杰
Xiang ZHOU;Zihao LIU;Chao CHEN;Renjie ZHU;Li ZHAO;Lingfeng WEI;Zejie YIN(State Key Laboratory of Particle Detection and Electronics,University of Science and Technology of China,Hefei 230026,People＇s Republic of China;Department of Modern Physics,University of Science and Technology of China,Hefei 230026,People＇s Republic of China;Center for Fusion Science of Southwestern Institute of Physics,Chengdu 610041,People＇s Republic of China)
基金
supported by National Natural Science Foundation of China (Nos.11375195,11575184)
the National Magnetic Confinement Fusion Energy Development Research of China (No.2013GB104003)
