Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Jiangyi Chen"'
Autor:
Yongfeng Zhao, Yunrui Ma, Junli Du, Chaohua Wang, Dawei Xia, Weifeng Xin, Zhenyu Zhan, Runfeng Zhang, Jiangyi Chen
Publikováno v:
Applied Sciences, Vol 13, Iss 18, p 10274 (2023)
In order to solve the noise reduction problem of acoustic emission signals with cracks, a method combining Complementary Ensemble Empirical Mode Decomposition (CEEMD) and wavelet packet (WPT) is proposed and named CEEMD-WPT. Firstly, the single Empir
Externí odkaz:
https://doaj.org/article/ce16e203bcac4c04b70d9079a86a4f07
Publikováno v:
地震科学进展, Vol 51, Iss 9, Pp 385-394 (2021)
In recent year, the identification of characteristics of earthquake and explosion is one of the key technologies for earthquake event classification and recognition, and has made to a considerable development and progress. The overall review of exist
Externí odkaz:
https://doaj.org/article/782b6cd216fc47f9b5108fd5bac1a151
Publikováno v:
Applied Sciences, Vol 13, Iss 13, p 7728 (2023)
Scholars have shown significant interest in the design and investigation of mechanical metamaterials with a negative Poisson’s ratio as a result of the rapid progress in additive manufacturing technology, giving rise to the concept of metamaterials
Externí odkaz:
https://doaj.org/article/87f53a0dcfea4192a41b5d9b8e017aa3
Publikováno v:
Jixie chuandong, Vol 45, Pp 24-29 (2021)
In order to solve the problems such as the kinematics modeling of the shield machine propulsion system and the difficulty of forward solution, the simplified equivalent model method is adopted to construct a simplified model of the shield machine p
Externí odkaz:
https://doaj.org/article/cac3edff0ca54c1391f28e617ad4d5a7
Publikováno v:
Jixie chuandong, Vol 45, Pp 116-121 (2021)
In order to study the frictional heat generation characteristics of cylindrical roller bearings,taking the effect of the initial assembly interference between the shaft and bearings,the centrifugal force and mating surface roughness into account
Externí odkaz:
https://doaj.org/article/c9331e30e48b4aa9810fc7b8247a4284
Publikováno v:
Jixie chuandong, Vol 45, Pp 99-103 (2021)
The stiffness characteristics of cylindrical roller bearings will have great impact on the dynamic performance of machine tools. Based on the analysis for the double-row cylindrical roller bearing, considering the influence of the lubricant oil fil
Externí odkaz:
https://doaj.org/article/bfc93a787f2e41ecb43ce8e4137aa19c
Publikováno v:
Jixie chuandong, Vol 45, Pp 23-27 (2021)
In order to more accurately and quickly solve the shield machine pose change during the tunneling process, a positive solution method for the pose of the shield machine based on the spatial homogeneous transformation matrix element is used to estab
Externí odkaz:
https://doaj.org/article/f49ddd54e2fb421fa732d5628112daad
Publikováno v:
Applied Sciences, Vol 13, Iss 3, p 1486 (2023)
Thousands of fuel elements in pebble-bed reactor are lifted one by one from the bottom to the top of the core by pneumatic conveying every day. Any failure in the transportation process may lead to a safety accident. In order to ensure the safe and r
Externí odkaz:
https://doaj.org/article/0b74c2dff3e742c79635e14c66c65041
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10420 (2022)
Due to their superior structural and mechanical properties, materials with negative Poisson’s ratio are of increasing interest to research scholars, especially in fuel-efficient vehicles. In this work, a new concave I-shaped honeycomb structure is
Externí odkaz:
https://doaj.org/article/62087821daea4e9085864740d4d3a346
Publikováno v:
Energies, Vol 15, Iss 19, p 7226 (2022)
The inconsistency of the battery pack will cause the “barrel effect“ when the battery pack is working. The battery with lower power will first reach the discharge cut-off condition, resulting in the battery pack not being fully discharged, reduci
Externí odkaz:
https://doaj.org/article/689098958f694d338c60d4701dbee2ee