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Swedish Navy YS2000 Visby Class Propulsion System Refinements

[+] Author Affiliations
Kenneth M. Braccio

Honeywell International, Phoenix, AZ

Joe Ranero

NAVSEA, Philadelphia, PA

Peter B. Nilsson, Magnus Olsson

Kockums AB, Karlskrona, Sweden

Gerrick Slogar

Vericor Power Systems, Alpharetta, GA

Paper No. GT2006-90713, pp. 55-64; 10 pages
doi:10.1115/GT2006-90713
From:
  • ASME Turbo Expo 2006: Power for Land, Sea, and Air
  • Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B
  • Barcelona, Spain, May 8–11, 2006
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4240-1 | eISBN: 0-7918-3774-2
  • Copyright © 2006 by ASME

abstract

The YS2000 program is a 73 meter length and 10.5 meter width all composite Corvette class vessel. It displaces 640 metric tons when fully equipped and drafts 2.5 meters. It is to be crewed by 18 officers and 25 enlisted men. It is a CODOG propulsion system supplied by Vericor Power Systems, with two MTU 16V 2000 M90 diesels and four TF50A gas turbine engines. Both the diesels and gas turbines are connected to a pair of MA-107 SBS gearboxes that run two 125 SII KaMeWa waterjets. The Visby is designed to be difficult to detect by enemy using radar, infrared, hydro-acoustic monitoring or any other sensor system. The Visby has been in development In Sweden since 1999. To date, four craft have been constructed and sea trailed out of the five totals. The fifth ship is on schedule to complete construction and sea trials later in the 2006 year. Many refinements to the overall propulsion package and related supporting systems have been incorporated since the first ship “Visby” has been sea trailed and since put in service. This paper will review various areas of the propulsion package, explaining the challenges that had to be overcome. The areas of interest will include: the FADEC digital engine control, the exhaust & inlet systems, the turbine engine and starting system, engine room cooling and turbine engine enclosures. The paper will focus on some of the before and after results and attempts to highlight the specific challenges that had to be overcome.

Copyright © 2006 by ASME

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