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Particle swarm optimization computer simulation of Ni clusters ZHOU Ji-cheng(周继承)1, 2, LI Wen-juan(李文娟)2, ZHU Jin-bo(朱金波)2 1. School of Electronic and Information Engineering, Central South... structures and energies of Ni clusters were investigated using particle swarm optimization(PSO) combined with simulated annealing(SA). Sutton-Chen many-body potential was used in describing the interatomic......
核工程中的炭素材料 徐世江1 (1.清华大学核能技术设计研究院,北京,102201) 摘要:石墨是最古老的一种堆芯材料,是核时代的助产士.CM是高温气冷堆(HTR)堆芯的基础材料,它与陶瓷核燃料及氦冷却剂一起赋予HTR以冷却剂出口温度高,固有安全性好的优越发特性.CM在HTR中的工作条件恶劣,特别是高温和强辐照.文中介绍了炭素材料(CM)在核工程中的应用,给出了对核工程用CM的要求,同时评述了国际上CM的研究和发展工作及取得的成就,指出了进一步发展的方向. 关键词:石墨; 热解碳; 高温气冷堆; 包覆燃料颗料; 慢化剂; 辐射效应; Graphite; Pyrolytical carbon; High temperature gas-cooled Reactor; Coated fuel particle; Moderator; Irradiation effect; [全文......
J. Cent. South Univ. (2017) 24: 1826-1836 DOI: https://doi.org/10.1007/s11771-017-3591-9 A novel SMC-PHD filter based on particle compensation XU Cong-an(徐从安)1, HE You(何友)1, YANG Fu-cheng(杨富程)1, 2..., the particle impoverishment problem introduced by the resampling step, together with the high computational burden problem, may lead to performance degradation and restrain the use of SMC-PHD filter......
Particle growth mechanism of nanocrystalline zirconia powder during high temperature heat treatment LIU Chun-bo(刘纯波), YU Lian-sheng(于连生), JIANG Xian-liang(蒋显亮) School of Materials Science... at temperatures from 1 200 ℃ to 1 400 ℃ for 2 h. Scanning electron microscopy was used to examine the changes of particle size and morphology, and X-ray diffraction was used to analyze the change......
on the anode microstructure. The length and density of the three-phase boundaries (TPB) can be increased by decreasing the particle size of YSZ and Ni in composite anode. The performance of SOFC can... power density of 0.57W/cm2 at 1000℃. All these results can be used for preparation of optimizing the anode structure. Key words: solid oxide fuel cell; anode; thermal spray; triple-phase boundary......
Preparation and Characterization of Component Materials for Intermediate Temperature Solid Oxide Fuel Cell by Glycine-Nitrate Process Ma Wenhui1,Du Qingshan1,Liu Ronghui1,Ma Xueju1,Yang Bin1,Dai... and chemical compatibility. Key words:intermediate temperature solid oxide fuel cell; glycine-nitrate process; properties of materials; rare earths; [全文内容正在添加中] ......
Flow characteristics of aluminum coated boron steel in hot press forming Jeong-Hwan JANG, Jae-Ho LEE, Byeong-Don JOO, Young-Hoon MOON School of Mechanical Engineering, Pusan National...; Abstract: The flow characteristics of aluminum coated boron steel in hot press forming were investigated. Furthermore, the effects......
Optimal design considering structural efficiency of compressed natural gas fuel storage vessels for automobiles Myung-Chang KANG1, Hyung Woo LEE1, Chul KIM2 1. National Core Research Center.... Therefore, the new proposed shape products give a mass reduction of 4.8 kg(5.1%) Key words: CNG fuel storage vessel; mechanical property; dome part; bursting; structural analysis 1 Introduction......
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by anodic arc discharging plasma method with home-made experimental apparatus. The effects of various processing parameters on the particle size of Cu nanopowders were investigated in the process, and the optimum processing parameters were obtained. In addition, the morphology, crystal structure, particle size distribution of the nanopowders were characterized via X-ray diffraction(XRD......