国家自然科学基金(11175193)

作品数：9被引量：8H指数：2
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相关作者：王生李勇袁月刘瑜冬王娜更多>>
相关机构：中国科学院兰州大学更多>>
相关期刊：《Chinese Physics C》《强激光与粒子束》《原子能科学技术》更多>>
相关主题：RCSACCELERATORSTUDYLARINSTABILITY更多>>
相关领域：理学核科学技术更多>>
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Impedance measurements of the extraction kicker system for the rapid cycling synchrotron of China Spallation Neutron Source
《Chinese Physics C》2016年第4期106-112,共7页黄良生 王生 刘瑜冬 李勇 刘仁洪 肖欧正 
Supported by National Natural Science Foundation of China(11175193,11275221)
The fast extraction kicker system is one of the most important accelerator components and the main source of impedance in the Rapid Cycling Synchrotron of the China Spallation Neutron Source. It is necessary to unders...
关键词：impedance cycling synchrotron ferrite accelerator longitudinal installation explained magnet absorbing 
Theoretical study of a dual harmonic system and its application to the CSNS/RCS
《Chinese Physics C》2015年第12期67-71,共5页苑尧硕 王娜 许守彦 袁月 王生 
Supported by National Natural Science Foundation of China(11175193)
Dual harmonic systems have been widely used in high intensity proton synchrotrons to suppress the space charge effect, as well as reduce the beam loss. To investigate the longitudinal beam dynamics in a dual rf system...
关键词：dual harmonic rf system longitudinal beam simulation rf voltage waveform bunching factor 
Simulation on buildup of electron cloud in a proton circular accelerator被引量：3
《Chinese Physics C》2015年第10期115-120,共6页李开玮 刘瑜冬 
Supported by National Natural Science Foundation of China(11275221,11175193)
Electron cloud interaction with high energy positive beams are believed responsible for various undesirable effects such as vacuum degradation, collective beam instability and even beam loss in high power proton circu...
关键词：electron cloud INSTABILITY electron multipacting beam loss 
Study of the beam loading effect in the CSNS/RCS
《Chinese Physics C》2015年第4期78-83,共6页苑尧硕 李开玮 王娜 入江吉郎 王生 
Supported by National Natural Science Foundation of China(11175193)
The China Spallation Neutron Source/Rapid Cycling Synchrotron （CSNS/RCS） accelerates a high-intensity proton beam from 80 MeV to 1.6 GeV. Since the beam current and beam power is high, the beam loading is a severe p...
关键词：beam loading effect beam-induced voltage beam simulation CSNS/RCS 
Mode error analysis of impedance measurement using twin wires
《Chinese Physics C》2015年第3期66-70,共5页黄良生 入江吉郎 刘瑜冬 王生 
Supported by Natural Science Foundation of China(11175193,11275221)
Both longitudinal and transverse coupling impedance for some critical components need to be measured for accelerator design. The twin wires method is widely used to measure longitudinal and transverse impedance on the...
关键词：coupling ilnpedance ACCELERATOR twin wires mode error scattering coefficient 
CSNS 直线加速器空间电荷效应的模拟研究被引量：1
《原子能科学技术》2014年第5期773-780,共8页袁月 王生 彭军 苑尧硕 姚泽恩 
国家自然科学基金资助项目(11175193)
本文利用三维空间电荷效应程序IMPACT-Z对直线加速器中的空间电荷效应进行了模拟研究,从单粒子动力学和多粒子动力学角度分析了束流在不同峰值流强下的发射度变化。在15mA流强下,比较了束流初始失配对束流发射度的影响,结果显示横向失...
关键词：空间电荷效应 失配因子 误差效应 直线加速器 
Effects of injection beam parameters and foil scattering for CSNS/RCS被引量：3
《Chinese Physics C》2013年第6期77-82,共6页黄明阳 王生 邱静 王娜 许守彦 
Supported by National Natural Science Foundation of China(11205185,11175020,11175193)
The China Spallation Neutron Source （CSNS） uses H- stripping and phase space painting metnocl co fill a large ring acceptance with a small emittance linac beam. The dependence of the painting beam on the injection b...
关键词：CSNS RCS injection parameter foil scattering 
Study on application of independent component analysis in the CSNS/RCS
《Chinese Physics C》2013年第3期102-107,共6页安宇文 王生 
Supported by National Natural Science Foundation of China (11175193)
The China Spallation Neutron Source （CSNS） accelerators consist of a low energy H linac and a high energy proton Rapid Cycling Synchrotron （RCS）. The proton beam is accumulated in the RCS and accelerated from 80Me...
关键词：independent component analysis turn-by-turn BPM RF kicker 
CSNS/RCS中的阻抗和束流不稳定性(英文)被引量：1
《强激光与粒子束》2013年第2期465-470,共6页刘瑜冬 黄良生 王生 王娜 李勇 
Supported by National Natural Science Foundation of China(11175193,11275221)
中国散裂中子源(CSNS)的快循环同步加速器(RCS)是一台强流质子加速器,其束流平均功率达到100kW。在此强流加速器中,真空部件的阻抗是引起束流不稳定的主要原因,它严重限制了束流强度及品质。对CSNS/RCS设计中的各种真空部件阻抗进行了...
关键词：中国散裂中子源 快循环同步加速器 阻抗 不稳定性 阻抗壁 
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