Conversion of Decommissioned Aircraft Gas Turbines to High-Efficiency Marine Units PUBLIC ACCESS

[+] Author Affiliations
David Gordon Wilson

MIT, Cambridge, MA

P. K. Poole, L. D. Owens, Jr.

US NavyMIT, Cambridge, MA

J. Baglione

General Electric, Lynn, MAMIT, Cambridge, MA

Paper No. 85-GT-169, pp. V001T02A005; 7 pages
  • ASME 1985 International Gas Turbine Conference and Exhibit
  • Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery
  • Houston, Texas, USA, March 18–21, 1985
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7938-2
  • Copyright © 1985 by ASME


Some helicopter and other engines have been shown in studies to be amenable to conversion to a low-pressure-ratio highly regenerated cycle. Typically the high-pressure compressor and high-pressure turbine would be removed, and shaft and ducting modifications would be made to introduce high-effectiveness rotary ceramic-honeycomb regenerators. In one case examined the low-pressure turbine could be used with slight modification; in others there would have to be reblading of the turbine stages and the manufacture of new shrouds. In another case the existing combustor could be used with little modification; in others new combustors would be required. Despite the extent of the modifications, the resulting high-efficiency performance over a large part of the power range and presumably relatively low capital and development costs could make this an attractive concept.

Copyright © 1985 by ASME
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