Potential of the High By-Pass Fan PUBLIC ACCESS

[+] Author Affiliations
S. Decher, Dale Rauch

Avco Corporation, Stratford, CT

Paper No. 64-GTP-15, pp. V001T01A015; 13 pages
  • ASME 1964 Gas Turbine Conference and Products Show
  • ASME 1964 Gas Turbine Conference and Products Show
  • Houston, Texas, USA, March 1–5, 1964
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7991-7
  • Copyright © 1964 by ASME


Improved engine and aircraft performance has been achieved in the latest generation of aircraft engines, the fanjets, by the application of the by-pass principle, owing to its superior propulsive efficiency as compared to its basic counterpart — the turbojet. This paper demonstrates that in the moderate subsonic flight regime, interesting performance gains are obtainable by using by-pass ratios appreciably larger than in today’s fanjet engines. Considerations for the selection of an optimum by-pass ratio and design approaches to the high by-pass fan are discussed.

Copyright © 1964 by ASME
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