云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(11175182)

国家自然科学基金(11175182): 作品数：13被引量：5H指数：1; 导出分析报告; 相关作者：王磊罗箐王琳李为民更多>>; 相关机构：中国科学技术大学更多>>; 相关期刊：《核技术》《Chinese Physics C》《Nuclear Science and Techniques》更多>>; 相关主题：HLHLSOPTIMIZATIONCAVITYINSTABILITIES更多>>; 相关领域：核科学技术理学自动化与计算机技术机械工程更多>>

Improved step-by-step chromaticity compensation method for chromatic sextupole optimization: 《Chinese Physics C》2016年第5期87-91,共5页刘刚文白正贺贾启卡李为民王琳; Supported by National Natural Science Foundation of China(11175182,11175180); The step-by-step chromaticity compensation method for chromatic sextupole optimization and dynamic aperture increase was proposed by E. Levichev and P. Piminov （E. Levichev and P. Piminov, 2006）. Although this metho...; 关键词：chromatic sextupole chromaticity compensation dynamic aperture OPTIMIZATION particle swarm optimization

Broadband impedance calculations and single bunch instabilities estimations of of the HLS-Ⅱ storage ring: 《Chinese Physics C》2015年第12期78-83,共6页张青鹍王琳李为民高巍巍; Supported by Natural Science Foundation of China(11175182,11175180); The upgrade project of the Hefei Light Source storage ring is under way. In this paper, the broadband impedances of resistive wall and coated ceramic vacuum chamber are calculated using the analytic formula, and the w...; 关键词：wake fields broadband impedance CST single bunch instabilities

A multi-length bunch design for electron storage rings with odd buckets: 《Chinese Physics C》2015年第7期68-74,共7页朱亮静李为民王琳向导黄小彪; Supported by National Natural Science Foundation of China(11327902,11175180,11175182);U.S.DOE(DE-AC02-76SF00515); A scheme with two superconducting RF cavities is designed to upgrade electron storage rings with odd buckets to multi-length bunches. In this paper, the Hefei Light Source（HLS） is given as an example for odd buckets...; 关键词：storage ring bunch length odd buckets superconducting cavities HLS

HLS脉冲八极磁铁注入方案设计与研究被引量：1: 《核技术》2015年第6期24-29,共6页王磊罗箐王琳李为民; 国家自然科学基金(No.11175180、No.11175182)资助; 脉冲多极磁铁注入方法是近年来储存环上新兴的一种束流注入方案,具有注入元件少和对储存束流扰动小等优点。本文研究了在合肥光源(Hefei Light Source,HLS)上储存环采用单块脉冲八极磁铁实现束流注入的设计方案。通过物理过程推导和计算...; 关键词：电子储存环脉冲八极磁铁束流注入注入效率

Decommissioning analysis of the scrapers in the NSRL Linac using depth profiling被引量：1: 《Nuclear Science and Techniques》2015年第6期13-18,共6页何丽娟李裕熊李为民陈裕凯任广益; Supported by the National Natural Science Foundation of China(Nos.11175180 and 11175182); For a high-energy electron facility, estimates of induced radioactivity in materials are of considerable importance to ensure that the exposure of personnel and the environment remains as low as reasonably achievable....; 关键词：电子直线加速器核设施退役 NSRL 深度剖析刮板国家同步辐射实验室放射性物质放射性测量

Simulation of beam gas coulomb scattering in HALS: 《Chinese Physics C》2015年第2期77-82,共6页于路新高巍巍王琳李为民; Supported by Natural Science Foundation of China(11175182,11175180); In conventional research on beam gas coulomb scattering （BGCS）, only the related beam lifetime using the analytical method is studied. In this paper, using the particle-in-cell Monte Carlo collisions （PIC-MCC） met...; 关键词：beam gas coulomb scattering elastic collision formula beam lifetime beam distribution

Theoretical analysis of BLM system for HLS Ⅱ: 《Chinese Physics C》2015年第1期83-86,共4页陈裕凯李裕熊李为民何丽娟; Supported by National Natural Science Foundation of China(11175180,11175182); Hefei Light Source （HLS） is being upgraded to HLS Ⅱ. Its emittance will be much lower than before, therefore the Touschek scattering will increase significantly and become the dominant factor of beam loss. So it is...; 关键词：storage ring beam loss beam lifetime Touschek lifetime

Optimization of magnet sorting in a storage ring using genetic algorithms: 《Chinese Physics C》2013年第12期98-104,共7页陈佳王琳李为民高巍巍; Supported by National Natural Science Foundation of China(10979045,11175180,11175182); In this paper, the genetic algorithms are applied to the optimization problem of magnet sorting in an electron storage ring, according to which the objectives are set so that the closed orbit distortion and beta beati...; 关键词：storage ring magnet sorting closed orbit distortion beta beating dynamic aperture genetic algorithms

Analytic modeling of instabilities driven by higher-order modes in the HLS Ⅱ RF system with a higher-harmonic cavity: 《Chinese Physics C》2013年第8期73-75,共3页赵宇宁李为民吴丛凤王琳; Supported by National Natural Science Foundation of China (10979045, 11175180, 11175182); The utility of a passive fourth-harmonic cavity plays a key role in suppressing longitudinal beam insta- bilities in the electron storage ring and lengthens the bunch by a factor of 2.6 for the phase I[ project of the...; 关键词：parasitic coupled-bunch instability microwave instability higher-harmonic cavity analytic modeling higher-order mode

Lattice study for the HLS-Ⅱ storage ring: 《Chinese Physics C》2013年第4期87-92,共6页白正贺王琳贾启卡李为民; Supported by National Natural Science Foundation of China (11175182, 10979045); The Hefei Light Source （HLS） is undergoing a major upgrade project, named HLS-Ⅱ , in order to obtain lower emittance and more insertion device straight sections. Undulators are the main insertion devices in the HLS...; 关键词：storage ring LATTICE UNDULATOR BRIGHTNESS EMITTANCE particle swarm optimization

国家自然科学基金(11175182)