Civil aircraft engine operation life resilient monitoring via usage trajectory mapping on the reliability contour

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dc.contributor.authorZhou, Hang
dc.contributor.authorFarsi, Maryam
dc.contributor.authorHarrison, Andrew
dc.contributor.authorParlikad, Ajith Kumar
dc.contributor.authorBrintrup, Alexandra
dc.date.accessioned2022-11-09T13:26:17Z
dc.date.available2022-11-09T13:26:17Z
dc.date.issued2022-11-04
dc.description.abstractThe civil aircraft engine business is complex in operation. Being an asset-heavy business operating highly complex engineering systems, the optimized fleet life-cycle management is essential yet challenging. The aviation systems are known for critical operation conditions, high-standard reliability demands, and high cost in both asset value and through-life maintenance services. Civil aircraft engines typically require 3 to 4 highly costly overhauls through service life to maintain performance and the time-on-wing (TOW) requirements of the airline operators. Multiple levels of maintenance activities need accurate and long-term planning for engine fleets coordinating manufacturing, transportation, supply chains and system performance, based on the service life of the engines. The life of assets in the aviation industry is measured uniquely by two scales — the flying hour (FH) and the flying cycle (FC). This paper proposed to evaluate the aviation systems’ service life combining both FH and FC, and the reliability of the systems be dynamically quantified via the records and future plans of the flight profiles. The long-term planning of the most significant shop visit (SV) overhauls is therefore optimized by maximizing the fleet TOW availability, considering the business model of ‘charge customers by the flying time’ in the civil aircraft engine business.en_UK
dc.identifier.citationZhou H, Farsi M, Harrison A, et al., (2022) Civil aircraft engine operation life resilient monitoring via usage trajectory mapping on the reliability contour. Reliability Engineering and System Safety, Volume 230, February 2023, Article number 108878en_UK
dc.identifier.issn0951-8320
dc.identifier.urihttps://doi.org/10.1016/j.ress.2022.108878
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18691
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectReliabilityen_UK
dc.subjectAviation operationsen_UK
dc.subjectAircraft propulsion systemen_UK
dc.subjectFleet managementen_UK
dc.subjectOptimizationen_UK
dc.titleCivil aircraft engine operation life resilient monitoring via usage trajectory mapping on the reliability contouren_UK
dc.typeArticleen_UK

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