2017 Vol. 29, No. 05

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Vibrational stimulated Raman conversion threshold of H2 pumped by iodine laser
Liu Dong, Cai Xianglong, He Shan, Zhou Dongjian, Guo Jingwei, Jin Yuqi
2017, 29: 051001. doi: 10.11884/HPLPB201729.160523
Abstract:
The hydrogen vibrational stimulated Raman scattering (SRS) pumped by a photolytic iodine laser (PIL) has been demonstrated for the first time. Under the condition of PIL pulse energy of 100-130 mJ (100 ns), double pass configuration is applied to red...
Ar metastable particle number density of He-Ar RF capacitive discharge at atmospheric pressure
He Yongle, Gao Jun, Zuo Duluo, Wang Xinbing
2017, 29: 051002. doi: 10.11884/HPLPB201729.160465
Abstract:
This article presents the measurement of Ar metastable 1s5(3s23p54s[3/2]2) particle number density in He-Ar mixed gas at atmospheric pressure by the emission spectroscopy of the gas radiofrequency capacitive discharge. The important parameters of dis...
High-speed imaging system based on optical time-division multiplexing
Yin Songchao, He Lu, Dai Bo, Zhang Dawei
2017, 29: 051003. doi: 10.11884/HPLPB201729.160526
Abstract:
Ultrafast imaging system based on optical time-division multiplexing is proposed. A femtosecond fiber laser with center wavelength 1557 nm and pulse width about 90 fs, is used in the line-scan imaging system at 38.88 MHz for observing the USAF-1951 s...
Annular beam nonlinear beam shaping method based on aspherical mirror
Liu Xiankui, Niu Zhifeng, Guo Jianzeng, Li Zhu, Ren Xiaoming, Wang Zhenhua, Wei Chengfu
2017, 29: 051004. doi: 10.11884/HPLPB201729.160540
Abstract:
This paper presents a method of annular beam nonlinear beam shaping by aspherical mirrors. The beam shaping system which contains two high-order aspherical mirrors can adjust the obscuration ratio and intensity distribution easily on the premise that...
Laser path adjusting system for laser experiments based on LabVIEW
Wu Zhaokui, Ma Yuncan, He Xu, Chen Xiaohui, Li Jun, Li Xiaoya, Zhu Wenjun
2017, 29: 051005. doi: 10.11884/HPLPB201729.160503
Abstract:
For the purpose of overcoming the disadvantages, such as low adjusting efficiency and complicated operating procedures, in most of current ultra-short and ultra-high-intensity laser experiments, an integrated and simple system for laser path adjustin...
Light-electricity method for measuring switch-on time of plasma antennas
Zhao Jiansen, Sun Yang, Ni Yuwei, Guo Xiaoliang, Zhang Zhitao
2017, 29: 052001. doi: 10.11884/HPLPB201729.170042
Abstract:
The optical signals are converted into electrical signals of same time characteristics by the technique of the in-situ spectroscopic detection. The switch-on time is obtained by calculating the time difference of the exciting and electrical signals. ...
Microwave scattering by inhomogeneous plasma column
Zhao Rikang, Zhang Zihao, Zhang Lin, Wang Guibin, Ouyang Jiting
2017, 29: 053001. doi: 10.11884/HPLPB201729.170043
Abstract:
The scattering features of microwave by inhomogeneous plasma column have been studied numerically by the Finite-difference-time-domain(FDTD) method and experimentally. The effects of the plasma frequency and electron collision rate on microwave's ref...
Analysis and measurement of temperature effect on electromagnetic susceptibility of embedded ADC
Liang Zhenhe, Zhou Changlin, Yu Daojie, Qian Zhisheng, Cheng Junping
2017, 29: 053002. doi: 10.11884/HPLPB201729.170024
Abstract:
Analog to Digital Converter (ADC) is widely used in measurement and control systems, the electromagnetic susceptibility problem of embedded ADC has been gradually highlighted in complex environment. The ambient temperature effect on electromagnetic s...
Design and simulation optimization of key components in 0.38 THz mixer
Ma Yichao, Zhao Yan, Wu Weidong
2017, 29: 053101. doi: 10.11884/HPLPB201729.160370
Abstract:
The terahertz mixer is a key component of the terahertz wave transmitting system, which could transform the frequency of signal from one value to another. The Schottky diode is the core part of the mixer. In addition to the Schottky diode, other unit...
Three-waves nonlinear effect of radio wave propagation in plasma
Wang Lili, Zhao Zhenzhu, Liu Jiangfan, Xi Xiaoli
2017, 29: 053201. doi: 10.11884/HPLPB201729.170011
Abstract:
The three-wave nonlinear effect of radio wave propagation in plasma is one possible solution to the problem of black out. Base on three-wave nonlinear theory, the method for calculating the conversion efficiency is introduced and the nonlinear effect...
Influence of length of short equivalent lines on analysis of high frequency electromagnetic field coupling to transmission line based on asymptotic method
Zhao Chunying, Liu Qiang, Yan Liping, Zhao Xiang, Zhou Haijing
2017, 29: 053203. doi: 10.11884/HPLPB201729.170008
Abstract:
The influence of two short equivalent lines length on the accuracy of the asymptotic method for analysing electromagnetic field coupling to transmission line at high frequency is investigated in detail. Firstly, the induced current distribution along...
Effect of quality factor on frequency stability of filmbulk acoustic resonator oscillator
Yin Xiyang, Yuan Mingquan, Han Bin, Lv Junguang, Wang Yuhang
2017, 29: 054101. doi: 10.11884/HPLPB201729.160548
Abstract:
The loaded quality factor (QL) of the film bulk acoustic resonator(FBAR) oscillator and the quality factor (Q value) of FBAR are related to the frequency stability of FBAR oscillator. In order to study the effect of the two kinds of quality factors o...
Evaluation of uncertainty in measurement of high voltage pulse
Wei Bing, Fu Zhen, Ren Ji, Qing Yanling, Feng Shuping
2017, 29: 055001. doi: 10.11884/HPLPB201729.170001
Abstract:
An uncertainty model has been proposed which is based on the black-box concept to evaluate the uncertainty of measurement and calibration in high voltage pulse divider. The initial model was proposed in principle, unnecessary variables in the formula...
Design of high voltage power supply and control system for gyrotron test bench
Zhang Jian, Guo Fei, Sun Haozhang, Huang Yiyun
2017, 29: 055002. doi: 10.11884/HPLPB201729.160457
Abstract:
Electron Cyclotron Resonance Heating (ECRH) system is one of the most important Tokamak auxiliary heating methods. However, with the development of physical experiments progress, there are growing stringent requirements for ECRH system and high-volta...
High power compact repetitive fast Marx pulsed power source
Wu Youcheng, He Yang, Dai Wenfeng, Fu Jiabin, Hao Shirong, Xie Weiping
2017, 29: 055003. doi: 10.11884/HPLPB201729.170040
Abstract:
A compact repetitive pulsed power system on the basis of fast Marx generator was developed in order to realize pulsed power device miniaturization. It is mainly composed of fast Marx generator and trigger pulse supply. There are polypropylene film ca...
Study of impurities generation via thermal desorption in magnetic compression system
Luo Xianwen, Wei Yi
2017, 29: 055004. doi: 10.11884/HPLPB201729.160544
Abstract:
The magnetic compression system (MAGO) proposed by VNIIEF is a new concept of nuclear fusion. The impurities in magnetic compression system may come from thermal desorption process, and wall materials washout by plasma. In this paper, combined with t...
Cooling system design and preliminary thermal-hydraulic analysis on high breeding ratio fusion-fission blanket
Zhang Lei, Qian Dazhi, Wang Shaohua, Guo Haibing, Ma Jimin, Ding Wenjie
2017, 29: 056001. doi: 10.11884/HPLPB201729.160559
Abstract:
The high breeding ratio blanket can obtain tritium breeding ratio over 1.5 and energy magnifying factor about 5, the fuel zone has power density more than 50 MW/m3 on average. According to the characteristic of high power density region in the blanke...
Modeling and analysis situation of fuel rod cladding crevasse in same burnup area
Chang Jian, Cai Jiejin
2017, 29: 056002. doi: 10.11884/HPLPB201729.160283
Abstract:
The fuel cladding is the first barrier of nuclear power plant. Once it failed, fission products would release to reactor coolant system (RCS) through the crevasse. So determining the general position and size of the crevasse would help a lot to know ...
Implement of reactivity perturbation on JMCT
Li Rui, Li Gang, Zhang Baoyin, Deng Li
2017, 29: 056003. doi: 10.11884/HPLPB201729.160397
Abstract:
In reactor design and safety analysis, the statistical error of Monte Carlo code often covers the actual reactivity difference between two systems with only a little difference. Generally, perturbation method is used to solve this problem. In this wo...
Design of mixed moderators’ fuel assembly in SCWR
Lu Di, Xia Bangyang, Ning Zhonghao, Huang Shi’en, Zhong Minxiao, Liao Hongkuan, Wang Shiqian
2017, 29: 056004. doi: 10.11884/HPLPB201729.160205
Abstract:
The existing supercritical water-cooled Reactor (SCWR) undertakes a design of water rod assembly to solve the problem of neutron moderator insufficiency. However, this brings a giant challenge to engineering feasibility of the assembly and reactor co...
Improvement and verification of the fast reactor neutronics code NECP-SARAX
Zheng Youqi, Wu Hongchun, Du Xia’nan, XiaoYunlong, He Mingtao
2017, 29: 056005. doi: 10.11884/HPLPB201729.160296
Abstract:
The NECP-SARAX code developed by NECP research team is used for the fast reactor analysis. In order to consider the complex neutron slowing down effects from scattering resonance of nuclides with medium mass and inelastic scattering, the Monte-Carlo ...
Influence of neutron source intensity on Rossi-α measurement
Zhu Jianyu, Fu Yuanguang, Xu Xuefeng
2017, 29: 056006. doi: 10.11884/HPLPB201729.160184
Abstract:
Rossi- measurement is commonly used to determine the prompt neutron decay constant. The relation between prompt neutron decay constant and Rossi- distribution are established on the condition of weak neutron source. When the source intensity is high,...
Study of reactor criticality and kinetics calculation methods based on Geant4
Sun Shiqiao, Pan Ziwen, Li Mengke, Zhou Yidong
2017, 29: 056007. doi: 10.11884/HPLPB201729.160413
Abstract:
Geant4 is a Monte Carlo simulation program toolkit based on C++ object-oriented technique. The toolkit can simulate various interactions between particles and medium materials and has been widely applied in high energy physics, accelerator physics, e...
Separation performance research of superconducting fragment separator
Chen Xin, Sheng Li’na, Yang Jiancheng, Zhang Xueheng, Zhang Jinquan, Mao Lijun, Wu Bo, Zhao He, Ruan Shuang, Wang Jiachen, Wang Kedong
2017, 29: 056008. doi: 10.11884/HPLPB201729.160552
Abstract:
Superconducting fragment separator HFRS is the significant facility to study the radioactive physics in High Intensity heavy-ion Accelerator Facility (HIAF). HFRS is an in-flight fragment separator, which has many unique features, such as large magne...
Computation research of high temperature reactor’s prompt neutron generation time
Li Bing, Zhou Haojun, Du Jinfeng, Wang Sanbing
2017, 29: 056009. doi: 10.11884/HPLPB201729.160259
Abstract:
High temperature nuclear reactor in the field of MHD power generation and nuclear rockets have good application prospects. High temperature reactor has a pile of high core temperature, complex structures, whose physical performance parameters are rat...
Preliminary verification of the high-efficiency even-parity discrete ordinates method
Zheng Ying, Zhang Bin, Zhang Shun, Cao Bo, Chen Yixue
2017, 29: 056010. doi: 10.11884/HPLPB201729.160274
Abstract:
The accuracy and efficiency of core physics calculation have a great impact on the safety of nuclear reactors. As reactor cores get more and more complex, diffusion theory presents low accuracy. Various transport methods are developed and studied. Th...
Degradation of aniline by dielectric barrier discharge combined with sodium bismuthate
Wu Haixia, Yin Baojian, Fang Zhi, Xu Yanhua
2017, 29: 059001. doi: 10.11884/HPLPB201729.170041
Abstract:
In order to make the best use of oxidants and UV irradiation in dielectric barrier discharge (DBD), catalyst sodium bismuthate was added into a rod-plate DBD reactor. The spectral characteristics of DBD and the effects of pH value, aniline initial co...
2017, 29: 050000.