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Detectors for pulsed neutron and gamma-ray measurement

Ouyang Xiaoping

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 44-53

Abstract: feature information of radiation fields, and is the key point and technical basis for carrying out pulsedA systematic description of characteristic parameters affecting its performance in pulsed radiation detectionMain parameters of detection systems for measuring time spectrum and intensity of mixed pulsed neutroninclude detection sensitivity, time response, energy response, linear current and discrimination of neutrontechnical principles have to be established in accordance with the basic interaction principles of neutron

Keywords: mixed neutron gamma-ray fields     pulsed radiation detection     detecting system     designing techniques    

Development of Pulsed Radiation Detection Technology

Ouyang Xiaoping

Strategic Study of CAE 2008, Volume 10, Issue 4,   Pages 44-55

Abstract: The diagnostic equipments can measure intense and rapidly changing neutron and gamma rays fluxes in highlymixed neutron-gamma radiation fields.properties, such as selective radiation sensitivities, a wide dynamic range, a large linearity, a good neutron

Keywords: fission reaction     fusion reaction     pulse radiation detection     detecting system     neutron detection     gamma-ray    

Magnetostriction varieties and stress relief caused by pulsed magnetic field

Zhipeng CAI, Xinjie DUAN, Jian LIN, Haiyan ZHAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 354-358 doi: 10.1007/s11465-011-0123-4

Abstract:

Magnetostriction is investigated to evaluate the stress relief caused by pulsed magnetic field treatmentThe stress variations caused by pulsed magnetic treatment are also compared.

Keywords: magnetostriction     pulsed magnetic field treatment     stress relief    

Project Design of a Pulsed D-D Fusion Neutron Source Based on Field Reversed Configuration

Pan Yuan , Wang Zhijiang , Wu Songtao , Zhang Ming , Chen Zhipeng , Rao Bo , Zhu Ping , Yang Yong , Ding Yonghua

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 205-213 doi: 10.15302/J-SSCAE-2022.03.021

Abstract:

The fusion neutron source is of great significance for conducting materialIt still has some differences from the ideal fusion neutron source in terms of fusion neutron energyspectrum, which has led to the reconsideration of the fusion neutron source approach.The fundamental physical parameters of the fusion neutron source are finally given.power estimation also shows that the scheme has the potential to become an energy source based on the pulsed

Keywords: fusion neutron source     field reversal configuration plasma     magnetic compression     deuterium-deuterium    

Design of hydraulic resonance of pulsed water - jet

Pu Jianing,Chen Ming

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 36-42

Abstract:

By setting a sinusoidal pulsed flow generator and an air chamber at theThe sinusoidal pulsed flow generator is composed of a constant discharge pump and a piston cylinder fluctuating

Keywords: pulsed water- jet     hydraulic resonance     method of characteristics     variable time step method     Matlab     direct search algorithm     sinusoidal pulsed flow generator    

China ADS sub-critical experimental assembly—Venus-1 and preliminary experiment

SHI Yongqian, XIA Pu, LUO Zhanglin, ZHAO Zhixiang, DING Dazhao, ZHU Qinfu, XIA Haihong, LI Jigen, ZHANG Wei, CAO Jian, QUAN Yanhui, LUO Huangda, WU Xiaofei

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 150-157 doi: 10.1007/s11708-007-0019-5

Abstract: The core of Venus-1 is a coupled one of a fast neutron zone and a thermal neutron zone.A fast neutron spectrum field can be produced in the fast neutron zone and used for the transmutationThe thermal neutron zone surrounds the fast neutron zone and is formed by low-enriched uranium fuel.An epithermal neutron zone between the fast neutron zone and the thermal neutron zone can be establishedD-T reaction) to study the effect of the external neutron source with different energies or a D-T pulsed

Keywords: coupled     D-D reaction     dynamic     pulsed neutron     sub-critical assembly    

Optimization design for the epithermal neutron duct of in-hospital neutron irradiator mark 1 reactor

Jiang Xinbiao,Zhu Yangni,Zhao Zhumin,Chen Lixin,Zhou Yongmao

Strategic Study of CAE 2012, Volume 14, Issue 8,   Pages 33-37

Abstract: text-align: justify;">Optimization design for the moderation layer and reflection layer of the epithermal neutronduct at in-hospital neutron irradiator mark 1(IHNI-1) reactor is carried out by using MCNP in this papercompared with Al materials, and two moderation optimization schemes which can obtain intensive epithermal neutronFinally, based on the moderation layer and reflection layer optimization schemes, the neutron and gammaspace distribution of the epithermal neutron beam at exit of this duct are detailed calculated.

Keywords: IHNI-1 reactor     epithermal neutron beam     neutron flux density    

Immune response triggered by the ablation of hepatocellular carcinoma with nanosecond pulsed electric

Jianpeng Liu, Xinhua Chen, Shusen Zheng

Frontiers of Medicine 2021, Volume 15, Issue 2,   Pages 170-177 doi: 10.1007/s11684-020-0747-z

Abstract: Nanosecond pulsed electric field (nsPEF) is a novel, nonthermal, and minimally invasive modality that

Keywords: nanosecond pulsed electric fields (nsPEF)     hepatocellular carcinoma (HCC)     immune response     recurrence     metastasis    

The Development of Technology for Pulsed X-ray Simulators

Qiu Aici

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 24-28

Abstract:

In this paper is given briefly a survey of situation of simulating pulsed x-ray with high currentpulsed electron beam accelerator.It´s indicated that technology of high pulsed power Z-pinch has vast application prospects in therealization of ultraintensive pulsed x-ray simulator and ICF driver as a chief technological way.Also are described the progress and the current status of simulators for pulsed x-ray in China, and proposals

Keywords: pulsed x-ray     high pulsed power technology     pulsed electron beam accelerator     Z-pinch     ICF    

Advanced nitrogen removal by pulsed sequencing batch reactors (SBR) with real-time control

YANG Qing, PENG Yongzhen, YANG Anming, LI Jianfeng, GUO Jianhua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 488-492 doi: 10.1007/s11783-007-0078-1

Abstract: and oxidation reduction potential (ORP) as on-line control parameters to advance nitrogen removal in pulsedThe pulsed SBR, a novel operational mode of SBR, was

Keywords: reduction potential     oxidation reduction     operational     feasibility     nitrogen    

Development of high pulsed-power source based on linear transformer driver for direct-driven Z pinch

Sun Fengju,Qiu Aici,Zeng Zhengzhong,Zeng Jiangtao,Cong Peitian

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 56-63

Abstract:

The paper introduced the properties of pulsed power source based on fastdriver (FLTD), and summarized the latest developments of FLTD-Z module and the conception design of pulsedon FLTD such as Z-POP for verifying the availability of IFE, and the next generation direct-driven pulsed

Keywords: fast Z pinch     direct driven     FLTD pulsed-power source     high power pulsed accelerator     conception design    

Air bearing center cross gap of neutron stress spectrometer sample table support system

Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 403-411 doi: 10.1007/s11465-016-0405-y

Abstract:

A support system is the main load-bearing component of sample table for neutron stress spectrometerThe neutron stress spectrometer sample table was introduced, and the scheme for air bearing combination

Keywords: neutron stress spectrometer     sample table     support system     air bearing     center cross gap     simulation     experiment    

SO2 Removal Experiment from Industrial-scale Flue Gas Using Pulsed Corona Process

Zhao Junke,Wang Baojian,Ren Xianwen,Zhu Zuliang

Strategic Study of CAE 2002, Volume 4, Issue 2,   Pages 74-78

Abstract: 2 removal with gas flow rates of less than 2 × 104 Nm3/h by using pulsed

Keywords: pulsed corona discharge     SO2 removal     industrial-scale test    

Preliminary characterization of radiation fields of IHNI-1 for BNCT

Chen Jun,Li Chunjuan,Song Mingzhe,Li Wei,Yao Shunhe,Diao Lijun,Yao Yanling,Zhang Zizhu,Gao Jijin,Zhang Yifan

Strategic Study of CAE 2012, Volume 14, Issue 8,   Pages 106-112

Abstract:

The characteristic parameters of the neutron radiation fields producedby an in-hospital neutron irradiatior for boron neutron capture therapy(BNCT), such as neutron energyspectra, neutron flux density and neutron absorbed dose rate and their spatial distributions in freeimprove the energy resolution in epithermal energy range and the ability to discriminate different neutronThe preliminary results show that the neutron flux densities of the irradiators achieve the expected

Keywords: in-hospital neutron irradiatior for BNCT     neutron enengy spectrum     neutron flux density     absorbed doserate of neutron and γ ray    

Transmission probability method based on triangle meshes for solving the unstructured geometry neutron

WU Hongchun, LIU Pingping, ZHOU Yongqiang, CAO Liangzhi

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 158-166 doi: 10.1007/s11708-007-0020-z

Abstract: The fuel assembly or core with unstructured geometry is frequently used in the advanced reactor. To calculate the fuel assembly, the transmission probability method (TPM) is widely used. However, the rectangular or hexagonal meshes are mainly used in the TPM codes for the normal core structure. The triangle meshes are most useful for expressing the complicated unstructured geometry. Even though the finite element method and Monte-Carlo method are well suited for solving the unstructured geometry problem, they are very time-consuming. Therefore, a TPM code based on the triangle meshes is developed here. This code was applied to the hybrid fuel geometry, and compared with the results of the MCNP code and other codes. The results of the comparison were consistent with each other. The TPM with triangle meshes can thus be applied to the two-dimensional arbitrary fuel assembly.

Keywords: unstructured geometry     assembly     transmission probability     TPM     rectangular    

Title Author Date Type Operation

Detectors for pulsed neutron and gamma-ray measurement

Ouyang Xiaoping

Journal Article

Development of Pulsed Radiation Detection Technology

Ouyang Xiaoping

Journal Article

Magnetostriction varieties and stress relief caused by pulsed magnetic field

Zhipeng CAI, Xinjie DUAN, Jian LIN, Haiyan ZHAO

Journal Article

Project Design of a Pulsed D-D Fusion Neutron Source Based on Field Reversed Configuration

Pan Yuan , Wang Zhijiang , Wu Songtao , Zhang Ming , Chen Zhipeng , Rao Bo , Zhu Ping , Yang Yong , Ding Yonghua

Journal Article

Design of hydraulic resonance of pulsed water - jet

Pu Jianing,Chen Ming

Journal Article

China ADS sub-critical experimental assembly—Venus-1 and preliminary experiment

SHI Yongqian, XIA Pu, LUO Zhanglin, ZHAO Zhixiang, DING Dazhao, ZHU Qinfu, XIA Haihong, LI Jigen, ZHANG Wei, CAO Jian, QUAN Yanhui, LUO Huangda, WU Xiaofei

Journal Article

Optimization design for the epithermal neutron duct of in-hospital neutron irradiator mark 1 reactor

Jiang Xinbiao,Zhu Yangni,Zhao Zhumin,Chen Lixin,Zhou Yongmao

Journal Article

Immune response triggered by the ablation of hepatocellular carcinoma with nanosecond pulsed electric

Jianpeng Liu, Xinhua Chen, Shusen Zheng

Journal Article

The Development of Technology for Pulsed X-ray Simulators

Qiu Aici

Journal Article

Advanced nitrogen removal by pulsed sequencing batch reactors (SBR) with real-time control

YANG Qing, PENG Yongzhen, YANG Anming, LI Jianfeng, GUO Jianhua

Journal Article

Development of high pulsed-power source based on linear transformer driver for direct-driven Z pinch

Sun Fengju,Qiu Aici,Zeng Zhengzhong,Zeng Jiangtao,Cong Peitian

Journal Article

Air bearing center cross gap of neutron stress spectrometer sample table support system

Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG

Journal Article

SO2 Removal Experiment from Industrial-scale Flue Gas Using Pulsed Corona Process

Zhao Junke,Wang Baojian,Ren Xianwen,Zhu Zuliang

Journal Article

Preliminary characterization of radiation fields of IHNI-1 for BNCT

Chen Jun,Li Chunjuan,Song Mingzhe,Li Wei,Yao Shunhe,Diao Lijun,Yao Yanling,Zhang Zizhu,Gao Jijin,Zhang Yifan

Journal Article

Transmission probability method based on triangle meshes for solving the unstructured geometry neutron

WU Hongchun, LIU Pingping, ZHOU Yongqiang, CAO Liangzhi

Journal Article