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Cost Effective Maintenance of Gas Turbine Machinery in Swedish Navy Fast Surface Attack Ships FREE

[+] Author Affiliations
Jan-Olof Löfdahl

Defense Materials Administration, Ships Directorate, Stockholm, Sweden

Paper No. 98-GT-148, pp. V002T03A005; 6 pages
doi:10.1115/98-GT-148
From:
  • ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Stockholm, Sweden, June 2–5, 1998
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7863-7
  • Copyright © 1998 by ASME

abstract

This paper is a summary of 35 years experience from maintenance, overhaul and repair of the ROLLS-ROYCE Marine PROTEUS Gas Turbine in the Swedish Navy.

The 54 installed PROTEUS Gas Turbines in 18 ships have accumulated nearly 300 000 running hours. The reliability has steadily improved thanks to careful monitoring and intensive improvement programs.

The initial, less than 500 hours average between engine removals has been extended to nearly 3000 hours as of today. Also the number of catastrophic engine failures has decreased.

Although the Spare Parts prices and the Labor Costs per hour have increased over the years the maintenance cost per fired Gas Turbine hour has decreased.

The paper describes the technical and economical aspects together with the cost reducing efforts. The information derives from the Swedish Navy Maintenance and Failure Reporting System, named “MARIS”, and from the VOLVO overhaul workshop annual technical and economical activity report.

Copyright © 1998 by ASME
This article is only available in the PDF format.

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