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科研机构
兰州理工大学 [61]
内容类型
期刊论文 [53]
会议论文 [8]
发表日期
2022 [4]
2021 [4]
2020 [10]
2019 [10]
2018 [4]
2017 [4]
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专题:兰州理工大学
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Analysis of the high-speed jet in a liquid-ring pump ejector using a proper orthogonal decomposition method
期刊论文
ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID MECHANICS, 2022, 卷号: 16, 期号: 1, 页码: 1382-1394
作者:
Jiang, Li-Jie
;
Zhang, Ren-Hui
;
Chen, Xue-Bing
;
Guo, Guang-Qiang
收藏
  |  
浏览/下载:340/0
  |  
提交时间:2022/07/19
Liquid-ring pump ejector
POD
LES
shock wave
reduced order model
Research on inner flow and energy characteristics of air ejector for liquid-ring vacuum pump
期刊论文
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, 2022
作者:
Jiang, Lijie
;
Zhang, Renhui
;
Chen, Xuebing
;
Guo, Rong
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2022/07/19
Liquid-ring pump
ejector
shock wave
energy transfer
entropy production
hydraulic loss
An early composite fault feature extraction method of bearing based on square envelope spectrum negentropy criterion
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2022, 卷号: 41, 期号: 8, 页码: 179-187
作者:
Chen, Peng
;
Zhao, Xiaoqiang
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2022/06/20
Failure analysis
Fault detection
Spectrum analysis
Bearing
Composite fault
Early composite fault diagnose
Envelope spectra
Faults diagnosis
Grasshopper optimization algorithm
Negentropy
Optimization algorithms
Square envelope spectrum negentropy
Swarm decomposition
Effects of different structures of blade suction surface on cavitation initiation of centrifugal pump
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2022, 卷号: 41, 期号: 7, 页码: 23-30
作者:
Zhao, Weiguo
;
Kang, Yandong
;
Li, Qinghua
;
Xue, Ziyang
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2022/06/20
Centrifugal pumps
Efficiency
High pressure effects
Impellers
Numerical models
Blade suction surface
Cavitation initiation
Cavitation suppression
Different structure
Discontinuous obstacle
Groove
Rotating speed
Stable operation
Transverse obstacle
Unsteady numerical simulations
Leakage source locating of safety valve based on improved KDE algorithm
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2021, 卷号: 40, 期号: 11, 页码: 277-284
作者:
Li, Shuxun
;
Hou, Jianjun
;
Kang, Yunxing
;
Wang, Zhihui
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2022/02/17
Acoustic noise
Location
MATLAB
Safety testing
Safety valves
Signal to noise ratio
Spectrographs
Environmental noise
Frequency division
High frequency HF
Kernel Density Estimation
Kernel density function
Simulation computing
Source locating
Working pressures
Numerical simulation and tests for cavitation characteristics of centrifugal pump controlled by bypass device
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2021, 卷号: 40, 期号: 1, 页码: 119-126
作者:
Zhao, Weiguo
;
Zhu, Changjian
;
Xu, Zexin
;
Xu, Yang
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2021/03/02
Centrifugal pumps
Energy efficiency
Flow fields
Kinetic energy
Kinetics
Numerical models
Turbulence models
Cavitation characteristics
Development stages
Flow field structure
K-Omega turbulence model
Low specific speed centrifugal pump
Pressure fluctuation
Small disturbances
Turbulent kinetic energy
Multiobjective Hydraulic Design and Performance Analysis of a Vortex Pump Based on Orthogonal Tests
期刊论文
SHOCK AND VIBRATION, 2021, 卷号: 2021
作者:
Quan, Hui
;
Wu, Yongkang
;
Guo, Ying
;
Song, Kai
;
Li, Yanan
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2021/06/03
Multiobjective hydraulic design and performance analysis of a vortex pump based on orthogonal tests
期刊论文
Shock and Vibration, 2021, 卷号: 2021
作者:
Quan, Hui
;
Wu, Yongkang
;
Guo, Ying
;
Song, Kai
;
Li, Yanan
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2021/06/03
Computational fluid dynamics
Efficiency
Flow simulation
Impellers
Orthogonal functions
Pumps
Shape optimization
Testing
Visualization
Vortex flow
Design optimization
Experimental verification
Hydraulic efficiency
Hydraulic performance
Multi-parameter optimizations
Optimization computation
Orthogonal test method
Performance analysis
Research and verification of dynamic load identification for a large wind turbine tower
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2020, 卷号: 39, 期号: 20, 页码: 197-203
作者:
Wu, Faming
;
Yang, Congxin
;
Wang, Qing
;
Yang, Liu
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2022/02/17
Dynamic loads
Sensitivity analysis
Wind turbines
Degree of coincidence
Dynamic characteristics
Dynamic identification
Dynamic load identification
Dynamic load modeling
Large wind turbines
Simulation calculation
Wind turbine towers
Weak fault feature extraction of rolling bearing based on secondary clustering segmentation and Teager energy spectrum
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2020, 卷号: 39, 期号: 13, 页码: 246-253
作者:
Wang, Wangwang
;
Deng, Linfeng
;
Zhao, Rongzhen
;
Zhang, Aihua
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2020/11/14
Bandpass filters
Clustering algorithms
Copying
Fourier transforms
Fuzzy clustering
Higher order statistics
Inverse problems
Inverse transforms
Signal processing
Spectroscopy
Time domain analysis
Clustering segmentation
Different frequency
Fuzzy C-means algorithms
Inverse Fourier transforms
Periodic components
Simulation analysis
Teager energy operators
Weak fault feature extraction
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