QQ客服 官方微博 反馈留言

浏览/检索结果: 共28条，第1-10条 帮助 限定条件 发表日期：2020    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Effect of hub-fitted tiny blade in centrifugal pump on cavitation suppression 期刊论文 Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University, 2020, 卷号: 41, 期号: 12, 页码: 1827-1833 作者:  Zhao, Weiguo;  Yu, Jinhong;  Xu, Yang;  Xu, Zexin;  Wang, Guipeng 收藏  |  浏览/下载：15/0  |  提交时间：2022/02/17 Centrifugal pumps  Impellers  Kinetic energy  Kinetics  Vortex flow  Cavitation performance  Development stages  Experimental values  External characteristic  Low specific speed centrifugal pump  Numerical calculation  Suppression mechanism  Turbulent kinetic energy   Comparative study on vertical dynamic models of single person walking load 期刊论文 Jianzhu Jiegou Xuebao/Journal of Building Structures, 2020, 卷号: 41, 页码: 389-396 and 403 作者:  Zhu, Qiankun;  Shang, Xuqiang;  Zhang, Qiong;  Du, Yongfeng;  Zivanovic, Stana 收藏  |  浏览/下载：2/0  |  提交时间：2022/02/17 Dynamic loads  Flexible structures  Vibration analysis  Biological forces  Comparative studies  Human structures  Induced vibrations  Research results  Slab structures  Vertical dynamics  Vibration characteristics   Early Age Concrete Strength Monitoring Using Power Spectral Density and Wavelet Packet Analysis 期刊论文 ADVANCES IN CIVIL ENGINEERING, 2020, 卷号: 2020 作者:  Yang, Xia;  Yang, Wenwei;  Li, Shuntao;  Wu, Chang 收藏  |  浏览/下载：5/0  |  提交时间：2022/03/01 Bearing Intelligent Fault Diagnosis Based on Wavelet Transform and Convolutional Neural Network 期刊论文 Shock and Vibration, 2020, 卷号: 2020, 期号: 2020, 页码: 1-14 作者:  Guo, Junfeng;  Liu, Xingyu;  Li, Shuangxue;  Wang, Zhiming 收藏  |  浏览/下载：6/0  |  提交时间：2020/12/31 Convolution  Convolutional neural networks  Extraction  Failure analysis  Fault detection  Feature extraction  Wavelet transformsFault diagnosis method  Fault feature extractions  Feature extraction and classification  Intelligent fault diagnosis  Mechanical equipment  Orthogonal matching pursuit  Real-time fault diagnosis  Time frequency transform   Experimental study on vertical dynamic coupling effect of pedestrian-structure 期刊论文 Jianzhu Jiegou Xuebao/Journal of Building Structures, 2020, 卷号: 41, 期号: 11, 页码: 125-133 作者:  Zhu, Qiankun;  Ma, Farong;  Zhang, Qiong;  Du, Yongfeng 收藏  |  浏览/下载：3/0  |  提交时间：2022/02/17 Damping  Dynamic loads  Flexible structures  Footbridges  Modal analysis  Acceleration response  Acceleration sensors  Acceleration-time history  Dynamic characteristics  Long span structures  Operational modal analysis  Structural frequencies  Structure and dynamics   Experimental study on vertical dynamic coupling effect of pedestrian-structure 期刊论文 Jianzhu Jiegou Xuebao/Journal of Building Structures, 2020, 卷号: 41, 期号: 11, 页码: 125-133 作者:  Zhu, Qiankun;  Ma, Farong;  Zhang, Qiong;  Du, Yongfeng 收藏  |  浏览/下载：13/0  |  提交时间：2020/11/14 Damping  Dynamic loads  Flexible structures  Footbridges  Modal analysis  Acceleration response  Acceleration sensors  Acceleration-time history  Dynamic characteristics  Long span structures  Operational modal analysis  Structural frequencies  Structure and dynamics   Effect of loading methods on the fatigue properties of dissimilar al/steel keyhole-free FSSW joints 期刊论文 Materials, 2020, 卷号: 13, 期号: 19 作者:  Zhang, Zhongke;  Yu, Yang;  Zhao, Huaxia;  Tong, Hui 收藏  |  浏览/下载：18/0  |  提交时间：2020/11/14 Fracture  Friction stir welding  Spot welding  Stress analysis  Welds  Absorption energies  Ductile and brittle fractures  Fatigue properties  Fatigue striations  Fracture mechanisms  Friction stir spot welding  Loading frequencies  Spot-welded joints   Effect of loading methods on the fatigue properties of dissimilar al/steel keyhole-free FSSW joints 会议论文 作者:  Zhang, Zhongke;  Yu, Yang;  Zhao, Huaxia;  Tong, Hui 收藏  |  浏览/下载：2/0  |  提交时间：2020/12/18 Fracture  Friction stir welding  Spot welding  Stress analysis  WeldsAbsorption energies  Ductile and brittle fractures  Fatigue properties  Fatigue striations  Fracture mechanisms  Friction stir spot welding  Loading frequencies  Spot-welded joints   Dimension reduction of a rotor faults data set based on standard orthogonal discriminant projection 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2020, 卷号: 39, 期号: 18, 页码: 96-102 作者:  Shi, Mingkuan;  Zhao, Rongzhen 收藏  |  浏览/下载：6/0  |  提交时间：2022/02/17 Decision making  Dimensionality reduction  Frequency domain analysis  Machinery  Pattern recognition  Time domain analysis  Dimension reduction  Dimensionality reduction algorithms  Discriminant informations  High dimensional feature  Intelligent decision making  Rotor fault diagnosis  Sensitive features  Time frequency domain   Transient Gas-liquid Flow in Helical Axial Pump Diffuser and Its DMD Analysis 期刊论文 Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery, 2020, 卷号: 51, 期号: 9, 页码: 118-126 作者:  Zhang, Renhui;  Wang, Shaohua;  Osman, Juma S A 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Axial flow  Decomposition  Diffusers (fluid)  Flow fields  Modal analysis  Pumps  Stators  Velocity  Characteristics of flow fields  Flow field distribution  Gas  liquid two-phase flows  Rotor-stator interactions  Steady state characteristics  Steady-state flow field  Transient flow characteristics  Unsteady characteristics