Results 21 to 30 of about 1,156,921 (307)

Hysteretic Behavior of Prestressed Concrete Bridge Pier with Fiber Model

The Scientific World Journal, 2014
The hysteretic behavior and seismic characteristics of the prestressed concrete bridge pier were researched. The effects of the prestressed tendon ratio, the longitudinal reinforcement ratio, and the stirrup reinforcement ratio on the hysteretic behavior
Wang Hui-li, Feng Guang-qi, Qin Si-feng
doaj   +1 more source

A Review on Structural Failure of Composite Pressure Hulls in Deep Sea

Journal of Marine Science and Engineering, 2022
With the increasing application and study of lightweight and high strength fiber reinforced polymer composites in ocean industry, the structural failure problem of composite pressure hulls has attracted great attention from many researchers in China and ...
Yongsheng Li, Changli Yu, Weibo Wang, Hongyun Li, Xu Jiang   +4 more
doaj   +1 more source

A fuzzy set approach for reliability calculation of valve controlling electric actuators [PDF]

, 2017
The oil and gas equipment and electric actuators in particular frequently perform in various operational modes and under dynamic environmental conditions. These factors affect equipment reliability measures in a vague, uncertain way.
Efremov, Aleksandr Aleksandrovich, Karmachev, D. P., Luneva, Elena Evgenievna   +2 more
core   +1 more source

Application of PCA and Classification for Fault Diagnosis of MAB Installed in Petrochemical Plant Process Facilities

Applied Sciences, 2021
In large systems, such as power plants or petrochemical plants, various equipment (e.g., compressors, pumps, turbines, etc.) are typically deployed. Each piece of equipment operates under generally harsh operating conditions, depending on its purpose ...
Se-Yun Hwang, Kwang-Sik Kim, Hyung-Jin Kim, Hong-Bae Jun, Jang-Hyun Lee   +4 more
doaj   +1 more source

Reliability analysis of wireless communication equipment based on model selection [PDF]

Zhihui kongzhi yu fangzhen
The research of equipment failure distribution is the basis of reliability engineering. In view of the complex structure and failure mechanism of wireless communication equipment, numerous failure distribution types, difficulty in selecting and ...
SUN Jin, HU Jicheng, JIAO Yaqi, WANG Kun
doaj   +1 more source

Failure Mode and Effect Analysis a Tool for Reliability Evaluation: Review [PDF]

, 2018
The purpose of safety designing is generally not on cost, but rather on saving life and nature, and consequently bargains just with specific risky system failure modes.
Afolalu, Sunday A., Ayuba, Samuel U., Elewa, Remilekun R., Ihebom, Ikechi V., Oluyemi, Kehinde, Salawu, Enesi Y.   +5 more
core   +2 more sources

Model of Failure of Printing and Packaging Equipment at the Stage of Decommissioning

Технологія і техніка друкарства, 2018
The article considers the methodology of statistical modeling of reliability of printing and packaging equipment. Here is given the principal form of dependence of the reliability function on the time of operation of equipment with 4 periods.
Надежда Сергеевна Голуб
doaj   +1 more source

Intelligent monitoring of the health and performance of distribution automation [PDF]

, 2011
With a move to 'smarter' distribution networks through an increase in distribution automation and active network management, the volume of monitoring data available to engineers also increases.
Catterson, Victoria, Davidson, Euan, Kirkwood, John, Mcarthur, Stephen, Rudd, Susan, Strachan, Scott   +5 more
core   +1 more source

Equipment Failure Probability due to the Impact of Lightning

Chemical Engineering Transactions, 2012
The historical analysis of accidental scenarios triggered by lightning shows that the impact of a lightning on a process plant might be the initiating event of a severe accident.
A. Necci, G. Antonioni, E. Renni, V. Cozzani, A. Borghetti, C.A. Nucci, E. Krausmann   +6 more
doaj   +1 more source

A Concurrent Fault Diagnosis Method of Transformer Based on Graph Convolutional Network and Knowledge Graph

Frontiers in Energy Research, 2022
In complex power systems, when power equipment fails, multiple concurrent failures usually occur instead of a single failure. Concurrent failures are so common and hidden in complex systems that diagnosis requires not only analysis of failure ...
Liqing Liu, Liqing Liu, Bo Wang, Fuqi Ma, Quan Zheng, Liangzhong Yao, Chi Zhang, Chi Zhang, Mohamed A. Mohamed   +8 more
doaj   +1 more source