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Multiaxial fatigue life prediction model considering stress gradient and size effect
期刊论文
International Journal of Pressure Vessels and Piping, 2022, 卷号: 199
作者:
Zhao, He
;
Liu, Jianhui
;
Hua, Feilong
;
Ran, Yong
;
Zi, Rong
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2022/06/20
Forecasting
Size determination
Stress concentration
Critical plane method
Energy
Energy-critical plane method
Fatigue life prediction models
Life predictions
Multi-axial fatigue
Multiaxial fatigue life
Sizes effect
Stress gradient
Stress gradient effects
Thermo-mechanical Characteristics and Microstructure and Properties of Micro-stir Friction Welding of H62 Brass Ultrathin Plate
期刊论文
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering, 2020, 卷号: 56, 期号: 12, 页码: 65-72
作者:
Zhang, Changqing
;
Qin, Zhuo
;
Rong, Chen
;
Shi, Wenchen
;
Wang, Shuwen
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  |  
浏览/下载:23/0
  |  
提交时间:2020/11/14
Brass
Copper alloys
Ductile fracture
Friction
Hardness
Heat affected zone
Heat transfer
Horizontal wells
Microstructure
Morphology
Optimization
Research laboratories
Sheet metal
Tensile strength
Aviation technology
Electronic technologies
Experimental research
Fracture morphology
Frictional heat generation
Microstructure and properties
Softening temperature
Thermo-mechanical characteristics
流化床中宽筛分颗粒停留时间调控研究
学位论文
: 中国科学院研究生院, 2018
作者:
张立博
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  |  
浏览/下载:148/0
  |  
提交时间:2019/03/29
平均停留时间差别,宽筛分颗粒,挡板,流化床
CFD modeling the hydrodynamics of binary particle mixture in pseudo-2D bubbling fluidized bed: Effect of model parameters
期刊论文
POWDER TECHNOLOGY, 2016, 卷号: 302, 期号: NOV, 页码: 384-395
作者:
Geng, Shujun
;
Jia, Zhengrui
;
Zhan, Jinhui
;
Liu, Xiaoxing
;
Xu, Guangwen
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  |  
浏览/下载:20/0
  |  
提交时间:2016/12/13
Bubbling fluidized bed
Mixing
Restitution coefficient
Solid shear viscosity
Boundary wall conditions
CFD
Geldart-B类颗粒磁场流化床流体力学行为研究
学位论文
博士, 北京: 中国科学院研究生院, 2016
作者:
朱全红
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  |  
浏览/下载:61/0
  |  
提交时间:2017/09/08
磁场流化床
操作模式
流域转变
气泡
颗粒分级
Integrated radial/thrust magnetic bearing without thrust disk for a high-speed driving system
期刊论文
IET ELECTRIC POWER APPLICATIONS, 2016, 卷号: 10, 页码: 276-283
作者:
Han, Bangcheng
;
Xu, Qinjie
;
Zheng, Shiqiang
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  |  
浏览/下载:11/0
  |  
提交时间:2019/12/30
magnetic bearings
discs (structures)
stators
friction
rotors (mechanical)
air gaps
magnetisation
magnetic circuits
permanent magnet motors
integrated radial
thrust magnetic bearing
high-speed driving system
compact structure
thrust disk
frictional loss reduction
windage loss reduction
IRTMB
axial size reduction
rotor dynamic performance improvement
axially magnetised magnet
cylindrical magnet
four-leg laminated radial stator
solid return pole piece
return air gap
Hydrodynamic study on magnetized fluidized beds with Geldart-B magnetizable particles
期刊论文
POWDER TECHNOLOGY, 2014, 卷号: 268, 期号: DEC, 页码: 48-58
作者:
Zhu, Quanhong
;
Li, Hongzhong
;
Zhu, Qingshan
;
Li, Jun
;
Zou, Zheng
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  |  
浏览/下载:16/0
  |  
提交时间:2014/12/01
Hydrodynamic
Magnetized fluidized bed
Magnetizable particle
Flow regime
Bubble
上流式反应器中流体流动及返混特性研究
学位论文
硕士: 中国科学院研究生院, 2014
娄晓军
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  |  
浏览/下载:27/0
  |  
提交时间:2015/06/04
上流式反应器
气液固体系
流动和混合
平均停留时间
轴向扩散系数
Design of a miniature axial flux flywheel motor with PCB winding for nanosatellites (EI CONFERENCE)
会议论文
2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China
Wu J.
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浏览/下载:34/0
  |  
提交时间:2013/03/25
This paper presents the design and analysis of an axial flux permanent-magnet (AFPM) machine for nanosatellites application. It is a miniature axial flux surface mounted permanent magnet flywheel motor
using a printed circuit board (PCB) stator winding. The PCB stator has simplified the design and construction and avoids unnecessary space
since size reduction has become one of the most important aspects of flywheel motor design for nanosatellites. The performances of the machine are estimated by combination method of three-dimensional (3D) electromagnetic finite element analysis (FEA) and approximate theoretical analysis. The back EMF and electromagnetic torque are derived. A comparison between the analysis and experimental measurement results of the prototype machine is also presented. Both simulated and experimental results show that the proposed motor would be an acceptable solution for the nanosatellite applications with advantages such as simple structure and low-cost
as multi-layer circuit board production techniques have made the production of printed circuit coils cheaper and easier. 2012 IEEE.
具有壁面射流激励的圆管内气相流动大涡模拟
期刊论文
2010, 2010
向屏
;
郭印诚
;
XIANG Ping
;
GUO Yin-cheng
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浏览/下载:5/0
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