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Marine Gas Turbine Infra-Red Signature Suppression: Aerothermal Design Considerations FREE

[+] Author Affiliations
A. M. Birk

Queen’s University, Kingston, ON, Canada

D. Vandam

W. R. Davis Engineering Limited, Ottawa, ON, Canada

Paper No. 89-GT-240, pp. V002T03A009; 10 pages
doi:10.1115/89-GT-240
From:
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7914-6
  • Copyright © 1989 by ASME

abstract

In recent years it has become evident that the Infrared (IR) Radiation given off by marine gas turbine exhaust systems is highly undesirable for naval vessels and commercial vessels traveling in areas of conflict. As a result, great interest has surfaced in the ways that IR signatures can be reduced. This paper presents an overview of some of the methods that can be used for engine exhaust IR signature suppression (IRSS). The methods considered here involve only ambient air addition for metal and plume cooling.

The present paper describes various IRSS systems and discusses the basic technical criteria for system selection. Basic operating principles are also described. Aerothermal design considerations are discussed and areas requiring special care during the design are highlighted. Because of the confidential nature of the subject, direct quantitative performance comparisons cannot be made.

Copyright © 1989 by ASME
This article is only available in the PDF format.

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