Contents
2022
Volume: 45 Issue 11
13 Article(s)

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Research Articles
Research status and development trends of irradiation effects on memristor
Yuxiang WANG, Ge TANG, Yao XIAO, Xinyu ZHAO, Peng FENG, and Wei HU
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110001 (2022)
Cooling design and test for current leads of SHINE superconducting undulator prototype
Qisheng TANG, Qiaogen ZHOU, Tengma WU, Jidong ZHANG, Kai FAN, Yi DING, and Yongmei WEN
Background Superconducting undulator (SCU) prototype with small magnet gap of 5 mm, long magnet length of 4 m and high magnet field of 1.58 T was being developed at Shanghai High Repetition rate XFEL and Extreme light facility (SHINE). Compared to any other superconducting undulator, there is no cryocooler being instal
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110101 (2022)
Investigation of vacuum melting technique for low background titanium
Tao ZHANG, Ke HAN, Jianglai LIU, Yue MENG, Yukun YAO, Siguang WANG, Bobo LI, Yinqi LIU, and Teng PEI
Background The expected signal rate of rare decay experiments, such as instance dark matter and neutrino less double beta decay experiments, is extremely low, which requires that the detector building materials have extremely low radioactivity. Low radioactive background control is one of the essential works in the rar
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110201 (2022)
Radiation effect and simulation of 850 nm vertical-cavity surface-emitting laser
Jiawei CHEN, Yudong LI, MALIYA·Heini , Qi GUO, and Xiyan LIU
Background Vertical cavity surface emitting lasers (VCSEL) have very high application value in space radiation environment. Purpose This study aims to explore the degradation rule and mechanism of 850 nm VCSEL in harsh radiation environment. Methods First of all, the MULASSIS tool was employed to calculate displacement
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110202 (2022)
Development of the electron gun filament power supply for small size betatron
Qi LIU, Haitao WANG, Haisheng CHEN, and Renbo WANG
Background Betatrons are widely used in non-destructive testing, cargo and vehicle security inspection systems, whilst the filament power supply is an important core component of small size betatron. Existing filament power supplies are not suitable for small size betatron. Purpose This study aims to develop a novel el
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110401 (2022)
Design of a TDC chip based on 0.18 μm SMIC technology
Yichao MA, Liangyi WANG, Haiyun TENG, and Junguo JIANG
Background The measurement of time-of-flight is one of the indispensable experimental contents in contemporary high-energy physics experiments and plays a vital role in exploring the essence of particle physics. Purpose This study aims to design a time to digital convertor (TDC) chip that meets the high-resolution time
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110402 (2022)
Design of portable multi-function radiation detection system
Song YANG, Xiaoquan ZHANG, Changming DENG, Yanting ZHANG, Fei XU, Lingling GUAN, and Shaoqiang DUAN
Background In order to fast and conveniently measure X, γ and neutron radiation field simultaneously, portable multi-function radiation detector is highly demanded. Purpose This study aims to design a portable multi-function radiation detection system based on LaBr3(Ce) crystal, lithium aluminum silicate oxygen (LASO)
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110403 (2022)
Development of extendable on-line test system for total ionizing dose effect of microprocessor
Faguo CHEN, Weiyue YU, Runcheng LIANG, Zhirui ZHENG, and Rong GUO
Background Compared with transistors and small-scale integrated circuits, the total ionizing dose (TID) effect and testing of multifunctional large scale integrated microprocessors are more complex. The difficulty of testing is to analyze the failure mode of microprocessor online from limited information under irradiat
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110404 (2022)
Evaluation of radiation accident emergency drill based on AHP-FCE
Fanxing MENG, Ming YANG, Hao WANG, Lujian SUN, Jiangqi FANG, and Jinzheng YANG
Background The radiation accident emergency drill is an important way to maintain and improve the response ability of emergency organizations, but at present, the evaluation of the drill is mainly based on the qualitative evaluation of the surface performance of the key links, there is not yet a systematic, full-flow,
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110501 (2022)
Optimal design of core flow distribution for 10 MW liquid fuel molten salt reactor
Siqin HU, Jian TIAN, Chong ZHOU, Yang ZOU, and Xiaohan YU
Background The flow distribution in core for the liquid fuel molten salt reactor (MSR) is an important part of the thermal hydraulic design, and the hydraulic structure of reactor core plays a decisive role on flow distribution. Purpose This study aims to find out a suitable hydraulic structure design to make the core
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110601 (2022)
Distribution of pH values in a model simulating the secondary side of a steam generator
Faliang XIAO, Tingting ZHONG, Weiling FU, Xiaoyan KANG, and Shuiquan DENG
Background The corrosion of the secondary circuit has remained a challenging problem influencing the security and efficiency of a nuclear power plant. In an actual operation, an amount of alkalizer is usually added into the secondary circuit water to adjust its pH value to alleviate the corrosion of the pipelines. Howe
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110602 (2022)
Study on many-objective optimization method for reactor 3D shielding structure based on Genetic Algorithm
Huajian ZHANG, Zhenping CHEN, Chengwei LIU, Chao YANG, Bo TAN, Bin GAN, Fucai CHEN, and Tao YU
Background Radiation shielding design is an important part of reactor design, and the development of new nuclear power technology for various kinds of reactors has put forward new demands on radiation shielding optimization design methods. Purpose This study aims to overcome the shortcomings of the traditional multi-ob
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110603 (2022)
Heat pipe failure accident analysis of a new type of megawatt heat pipe reactor
Zhenlan WANG, Junli GOU, Shihao XU, Zheng WANG, Jianqiang SHAN, Simao GUO, and Bin TANG
Background Heat pipe cooled reactors (HPR) have good inherent safety. In the early stage of core design, heat pipe failure accident is usually one of the design basis accidents that need to be considered. Purpose This study aims to analyze the neutronic-thermalhydraulic coupling performance of a new type of megawatt he
NUCLEAR TECHNIQUES
  • Publication Date: Nov. 15, 2022
  • Vol. 45, Issue 11, 110604 (2022)