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Pavol Pecho, Patrik Velký, Martin Bugaj and Daniel Kajánek
During an aircraft?s flight through the atmosphere, the aircraft structure interacts with the surrounding environment. One of the potential hazards that can occur is a lightning strike to the structure covering. Subsequent damage to the aircraft covering...
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Mathijs Verhoeff and Wim J. C. Verhagen
The primary objective in military aviation is to optimize operational readiness, the capability to perform assigned flight missions. This capability is influenced by aircraft downtime due to preventive maintenance at prescribed flight time intervals. In ...
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Sotirios Kontogiannis, Theodosios Gkamas and Christos Pikridas
Maintenance processes are of high importance for industrial plants. They have to be performed regularly and uninterruptedly. To assist maintenance personnel, industrial sensors monitored by distributed control systems observe and collect several machiner...
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Ashraf A. A. Beshr, Ali M. Basha, Samir A. El-Madany and Fathi Abd El-Azeem
The appearance and development of new construction materials, technology and accurate geodetic instruments have led to the necessity of their inevitable use in the health monitoring, maintenance, and restoration of civil structures and special structures...
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Hongjun Cui, Guang Chen, Minqing Zhu, Yue Su and Jingxuan Liu
A scientifically accurate assessment of tunnel health is the prerequisite for the safe maintenance and sustainability of the in-service road tunnel. The changing trend of tunnel health is not considered in existing research. Most evaluation indicators ar...
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Jungki Hong, Jaewan Park, Seongmi Kim, Cheolsoo Lim and Minsuk Kong
In this study, the energy consumption and generation characteristics, the operation status of a photovoltaic (PV) system, and the energy balance of a net-zero energy building (nZEB) in South Korea were analyzed based on the data collected over a 10-year ...
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Marcia L. Baptista and Helmut Prendinger
Prognostics and health management is an engineering discipline that aims to support system operation while ensuring maximum safety and performance. Prognostics is a key step of this framework, focusing on developing effective maintenance policies based o...
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Lilei Zhang, Linhan Guo, Ruiyang Li and Yu Wang
The train braking system with redundant components has an essential effect on driver safety. In this paper, we consider the failure of K-out-of-N brake motors during operation and the redundant recovery by preventive maintenance. Two Continuous Time Mark...
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Cecília Vale and Maria Lurdes Simões
For scheduling track maintenance, infrastructure managers perform inspections to assess the track condition. When the irregularities are higher than the threshold limits, a track has a defect that should be corrected to avoid future failures or traffic d...
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Roberto De Santis, Flavia Iaculli, Vincenzo Lodato, Vito Gallicchio, Michele Simeone, Gianrico Spagnuolo and Carlo Rengo
Background: Enhancement of the temperature of sodium hypochlorite (NaOCl) solution would increase its cleaning potential and decontamination of the root canal system. Therefore, the aim of the present in vitro investigation was to compare the efficacy of...
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