Results 21 to 30 of about 2,051,648 (322)

A Review of Research on Wind Turbine Bearings’ Failure Analysis and Fault Diagnosis

open access: yesLubricants, 2022
Bearings are crucial components that decide whether or not a wind turbine can work smoothly and that have a significant impact on the transmission efficiency and stability of the entire wind turbine’s life.
Han Peng   +4 more
semanticscholar   +1 more source

Visitors and equipment failure as predictors of interruptions among nurses

open access: yesCentral European Journal of Nursing and Midwifery, 2022
Aim: To discover the perceived level of nursing interruptions during care activities. The study evaluates the contributing factors of alarms, equipment failures, visitors, and telephone calls in predicting interruptions according to the site of nurses ...
Mohammad Hussein Altamimi   +3 more
semanticscholar   +1 more source

Empirical Bayes methodology for estimating equipment failure rates with application to power generation plants [PDF]

open access: yes, 2008
Many reliability databases pool event data for equipment across different plants. Pooling may occur both within and between organizations with the intention of sharing data across common items within similar operating environments to provide better ...
Hutchison, Kenneth   +3 more
core   +1 more source

Failure Analysis of a Pre-Excavation Double Equipment Withdrawal Channel and Its Control Techniques

open access: yesEnergies, 2020
The use of pre-excavation equipment withdrawal channels (EWCs) at the stop-production line is important for the rapid withdrawal of coal mining equipment.
Chen Li   +3 more
semanticscholar   +1 more source

Improving the Identification and prioritization of the most important risks of safety equipment in FMEA with a hybrid multiple criteria decision-making technique [PDF]

open access: yesJournal of Applied Research on Industrial Engineering, 2021
The purpose of this paper is to develop a new Failure Mode and Effect Analysis (FMEA) framework for identification, prioritization and improvement of failure modes.
Nima Hamta   +3 more
doaj   +1 more source

High-Strength Bolt Corrosion Fatigue Life Model and Application

open access: yesThe Scientific World Journal, 2014
The corrosion fatigue performance of high-strength bolt was studied. Based on the fracture mechanics theory and the Gerberich-Chen formula, the high-strength bolt corrosion fracture crack model and the fatigue life model were established.
Wang Hui-li, Qin Si-feng
doaj   +1 more source

Unmanned Aerial Drones for Inspection of Offshore Wind Turbines: A Mission-Critical Failure Analysis

open access: yesRobotics, 2021
With increasing global investment in offshore wind energy and rapid deployment of wind power technologies in deep water hazardous environments, the in-service inspection of wind turbines and their related infrastructure plays an important role in the ...
M. Shafiee   +5 more
semanticscholar   +1 more source

Hysteretic Behavior of Prestressed Concrete Bridge Pier with Fiber Model

open access: yesThe 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

open access: yesJournal 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   +4 more
doaj   +1 more source

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

open access: yes, 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   +2 more
core   +1 more source

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