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Bayesian Assessment of Corrosion-Related Failures in Steel Pipelines

Ruggeri F. / Cagno E. / Caron F. / Mancini M. / Pievatolo A.

The probability of gas escapes from steel pipelines due to different types of corrosion is studied with real failure data from an urban gas distribution network. Both the design and maintenance of the network are considered, identifying and estimating (in a Bayesian framework) an elementary multinomial model in the first case, and a more sophisticated non-homogeneous Poisson process in the second case. Special attention is paid to the elicitation of the experts’ opinions. We conclude that the corrosion process behaves quite differently depending on the type of corrosion, and that, in most cases, cathodically protected pipes should be installed.

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Bayesian Assessment of Corrosion-Related Failures in Steel Pipelines

Ruggeri F. / Cagno E. / Caron F. / Mancini M. / Pievatolo A.

The probability of gas escapes from steel pipelines due to different types of corrosion is studied with real failure data from an urban gas distribution network. Both the design and maintenance of the network are considered, identifying and estimating (in a Bayesian framework) an elementary multinomial model in the first case, and a more sophisticated non-homogeneous Poisson process in the second case. Special attention is paid to the elicitation of the experts’ opinions. We conclude that the corrosion process behaves quite differently depending on the type of corrosion, and that, in most cases, cathodically protected pipes should be installed.

Bayesian Assessment of Corrosion-Related Failures in Steel Pipelines

Ruggeri F. / Cagno E. / Caron F. / Mancini M. / Pievatolo A.

The probability of gas escapes from steel pipelines due to different types of corrosion is studied with real failure data from an urban gas distribution network. Both the design and maintenance of the network are considered, identifying and estimating (in a Bayesian framework) an elementary multinomial model in the first case, and a more sophisticated non-homogeneous Poisson process in the second case. Special attention is paid to the elicitation of the experts’ opinions. We conclude that the corrosion process behaves quite differently depending on the type of corrosion, and that, in most cases, cathodically protected pipes should be installed.

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Titel:

Bayesian Assessment of Corrosion-Related Failures in Steel Pipelines

Beteiligte:

Ruggeri F. (Autor:in) / Cagno E. (Autor:in) / Caron F. (Autor:in) / Mancini M. (Autor:in) / Pievatolo A. (Autor:in) / Ruggeri, F. / Cagno, E. / Caron, F. / Mancini, M. / Pievatolo, A.

Erscheinungsdatum:

01.01.2024

Anmerkungen:

doi:10.3390/e26121111

DOI:

https://doi.org/10.3390/e26121111

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

analytic hierarchy process , Poisson process , reliability of gas distribution networks

Klassifikation:

DDC: 620 / 624

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