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浏览/检索结果: 共19条,第1-10条 帮助

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Measurement of leakage neutron spectra for aluminium with D-T fusion neutrons and validation of evaluated nuclear data 期刊论文  OAI收割
FUSION ENGINEERING AND DESIGN, 2021, 卷号: 171, 页码: 6
作者:  
Zhang, S.;  Niu, D.;  Wang, D. X.;  Nie, Y.;  Song, N.
  |  收藏  |  浏览/下载:39/0  |  提交时间:2021/12/08
Design of back-streaming white neutron beam line at csns 期刊论文  iSwitch采集
Applied radiation and isotopes, 2018, 卷号: 132, 页码: 212-221
作者:  
Zhang, L. Y.;  Jing, H. T.;  Tang, J. Y.;  Li, Q.;  Ruan, X. C.
收藏  |  浏览/下载:68/0  |  提交时间:2019/04/23
Design of back-streaming white neutron beam line at CSNS 期刊论文  OAI收割
APPLIED RADIATION AND ISOTOPES, 2018, 卷号: 132, 页码: 212-221
作者:  
Ning CJ(宁常军);  Ruan, XC;  Li Q(李强);  Tang JY(唐靖宇);  Jing HT(敬罕涛)
  |  收藏  |  浏览/下载:50/0  |  提交时间:2019/09/24
The benchmark experiment on slab beryllium with D-T neutrons for validation of evaluated nuclear data 期刊论文  OAI收割
FUSION ENGINEERING AND DESIGN, 2016, 卷号: 105, 页码: 8-14
作者:  
Ding, Y.;  Nie, Y.;  Liu, P.;  Zhou, Z.;  Ruan, X.
  |  收藏  |  浏览/下载:21/0  |  提交时间:2018/05/31
Self-adaptive echo signal processing method for pulse radar ranging system 会议论文  OAI收割
2016 IEEE Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2016, Chongqing, China, May 20-22, 2016
作者:  
Gao J(高洁);  Du JS(杜劲松);  Bi X(毕欣)
收藏  |  浏览/下载:44/0  |  提交时间:2016/11/01
复合金属/金属氧化物纳米材料在污染物可视化及质谱分析中的应用 学位论文  OAI收割
博士, 北京: 中国科学院研究生院, 2013
马玉荣
收藏  |  浏览/下载:105/0  |  提交时间:2014/08/22
Precision analysis of simulation systems with hardware-in-loop caused by performance of three-Axis virtual flight motion simulator (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Manufacturing Science and Technology, ICMST 2011, September 16, 2011 - September 18, 2011, Singapore, Singapore
Wang T.; Zhu M.-C.; Yin S.-L.; Jia H.-G.
收藏  |  浏览/下载:45/0  |  提交时间:2013/03/25
Simulation systems with hardware-in-loop are composed by three-Axis virtual flight motion simulator  simulation computer  load torque simulator  and visual simulation systems. Three-Axis Virtual Flight Motion Simulator are used to simulate the attitude of missile in simulation system with hardware-in-loop  so its performance influenced the result of simulation directly. This paper mainly analyzed the factors which influenced the performance of a three-Axis virtual flight motion simulator which we are used now in the lab  then analyzed the entire simulation system's error caused by these factors through numerical simulation method. By analysis we can see that bandwidth is the main factor influenced the precision of simulation systems with hardware-in-loop  mechanical device installation error and measurement error may also cause some errors of the systems at the same time.  
Three-loop autopilot design and simulation (EI CONFERENCE) 会议论文  OAI收割
2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012, August 5, 2012 - August 8, 2012, Chengdu, China
作者:  
Zhang Y.
收藏  |  浏览/下载:42/0  |  提交时间:2013/03/25
In order to realize missile real-time change flight trajectory  three-loop autopilot is setting up. The structure characteristics  autopilot model  and control parameters design method were researched. Firstly  this paper introduced the 11th order three-loop autopilot model. With the principle of systems reduce model order  the 5th order model was deduced. On that basis  open-loop frequency characteristic and closed-loop frequency characteristic were analyzed. The variables of velocity ratio  dynamic pressure ratio and elevator efficiency ratio were leading to correct system nonlinear. And then autopilot gains design method were induced. System flight simulations were done  and result shows that autopilot gains played a good job in the flight trajectory  autopilot satisfied the flight index. 2012 IEEE.  
A strong coupled CFD-CSD method on computational aeroelastity (EI CONFERENCE) 会议论文  OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
Xi R.; Jia H.
收藏  |  浏览/下载:67/0  |  提交时间:2013/03/25
In this paper  a strong coupled CFD-CSD method is developed to simulate the aeroelastic phenomena. The CFD solver is based on the finite-volume algorithm for the Navier-Stokes equations on unstructured grid. The CSD solver solves the aeroelastic governing equations in the modal space. Their coupling is realized by a dual-time method. The spring-based smoothing method is adopted to deform and regenerate the aerodynamic grid. Two test cases are selected to validate the authors' method for static and dynamic aeroelastity .The results of the simulation for the static aeroelastic problems of a missile wing show that the Lift Coefficient and Drag Coefficient are severally 7% and 5% lower than those don't consider the elasticity of the wing. The results for the flutter boundary prediction of the AGARD 445.6 wing have been proved much closer to the experiment than using the DLM. This method can describe the effects of fluid viscosity more exactly for highly nonlinear transonic flight conditions. The calculation has proved reliable in the subsonic regime  but not accurate enough in the supersonic regime. 2011 IEEE.