DECISION-MAKING ON STRATEGIES FOR LIFE EXTENSION OF SHIPS IN THE BRAZILIAN NAVY USING A TECHNO-ECONOMIC ANALYSIS APPROACH
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Authors
Nascimento da Silva, Thiago
Subjects
decision-making
life extension strategies
techno-economic analysis
aging ships
life extension strategies
techno-economic analysis
aging ships
Advisors
Lewis, Ira A.
Dahel, Eddine
Date of Issue
2024-06
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
This research presents a techno-economic methodology to support decision-making in extending the service life of ships in the Brazilian Navy. Addressing the dual challenge of operating an aging fleet within budgetary constraints, the proposed framework combines technical assessments with economic considerations. This integrated approach merges reliability principles and probability failure predictions to technically assess ship condition with a cost-benefit analysis to evaluate economic viability, ensuring decisions are both technically sound and economically justified. The potential of the proposed methodology is illustrated through a case study involving a ship within the Brazilian Navy fleet. Three life extension options (reuse, refurbishment and replacement) are analyzed based on available data. The findings recommend adopting the “reuse” strategy.
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Distribution Statement
Distribution Statement A. Approved for public release: Distribution is unlimited.
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Copyright is reserved by the copyright owner.