The reliability of structural systems operating at high temperature: Replacing engineering judgement with operational experience

Chevalier, Marc; Smith, David J.; Dean, David

doi:10.1016/j.ijpvp.2012.07.004

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…Although some effort has been made by EDF energy to provide predictions of the percentage of failed components within a structural system over the operational lifetime using reliability analysis methodology, 39 many above-mentioned issues still remain unsolved thus making the field of reactor-wide failure probabilities and frequencies a fruitful avenue for further research, and the issue of correlations between components is the key ingredient in their solution.…”

Section: Reactor-wide Failure Probabilitiesmentioning

confidence: 99%

A review of probabilistic structural integrity assessment in the nuclear sector and possible future directions

Chavoshi

Booker

Bradford

et al. 2021

Fatigue Fract Eng Mat Struct

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There always exists uncertainty and variability in structural integrity assessments arising from lack of knowledge, modeling approximations, or differences between as-manufactured components and as-operated components. This may ultimately impact on reactor lives. Such uncertainties and variabilities can be understood and quantified using probabilistic techniques together with reliability-based acceptance criteria, facilitating the quantification and management of risk. This review article provides a systematic appraisal of the latest worldwide literature and also unpublished reports from EDF UK nuclear plants, giving an overview of the existing knowledge of probabilistic/reliability structural integrity methodologies and tools from a multifaceted stance, including failure modes, problem types, material types, employed codes, correlations, and probability distributions. Structural reliability analysis at different levels is discussed, and pertinent issues on convergence testing, required number of trails, sensitivity analysis, verification of individual analyses, extremely small probabilities, reactor-wide failure probabilities, and digital twin structural integrity monitoring are elaborated.

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Section: Reactor-wide Failure Probabilitiesmentioning

confidence: 99%

A review of probabilistic structural integrity assessment in the nuclear sector and possible future directions

Chavoshi

Booker

Bradford

et al. 2021

Fatigue Fract Eng Mat Struct

View full text Add to dashboard Cite

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“…For this it is necessary to have some oversight mechanisms, to learn about their state of operation of these machines, in order to take timely decisions about their operating state. A means for monitoring the operating state of a rotating machine is the collection and analysis of vibration [1,2,3,4]. The sensed vibrations are collected and analyzed information on the state of a system, particularly on the state of a revolving thing, or elements thereof vibration can then be viewed as a symptom.…”

Section: Introductionmentioning

confidence: 99%

Vibrations Detection in Industrial Pumps Based on Spectral Analysis to Increase Their Efficiency

Rachid

Hafaifa

Boumehraz

2016

Management Systems in Production Engineering

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Spectral analysis is the key tool for the study of vibration signals in rotating machinery. In this work, the vibration analysis applied for conditional preventive maintenance of such machines is proposed, as part of resolved problems related to vibration detection on the organs of these machines. The vibration signal of a centrifugal pump was treated to mount the benefits of the approach proposed. The obtained results present the signal estimation of a pump vibration using Fourier transform technique compared by the spectral analysis methods based on Prony approach.

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Probabilistic Fracture Mechanics for Analysis of Longitudinal Cracks in Pipes Under Internal Pressure

Mechab

Chioukh

Sérier

2018

J Fail. Anal. and Preven.

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The reliability of structural systems operating at high temperature: Replacing engineering judgement with operational experience

Cited by 5 publications

References 19 publications

A review of probabilistic structural integrity assessment in the nuclear sector and possible future directions

A review of probabilistic structural integrity assessment in the nuclear sector and possible future directions

Vibrations Detection in Industrial Pumps Based on Spectral Analysis to Increase Their Efficiency

Probabilistic Fracture Mechanics for Analysis of Longitudinal Cracks in Pipes Under Internal Pressure

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