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A New Propulsion System Proposal for Civil Supersonic Transport: The Retractable Fan Concept FREE

[+] Author Affiliations
Jon I. Huete

ITP, SA, Zamudio, Spain

R. Singh

Cranfield University, Cranfield, Beds, United Kingdom

Paper No. 98-GT-059, pp. V003T08A007; 6 pages
doi:10.1115/98-GT-059
From:
  • ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Stockholm, Sweden, June 2–5, 1998
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7864-4
  • Copyright © 1998 by ASME

abstract

The next civil supersonic aircraft project will pose a number of challenges. The propulsion system for this aircraft will have to achieve economic operation for both supersonic and subsonic regime while meeting the intended noise and pollutant emissions regulation. Whilst there are a number of proposed engines for the next generation civil supersonic aircraft, they all exhibit difficulties inherent in the engine duty. The present paper offers a simple solution based on retractable fans. The key for the success of the concept is the single stage double pass tip turbine that drives the fan. Characteristics of this unique turbine such as extra-high power output at reasonable efficiencies and low metal temperatures along with some performance aspects of the power plant are discussed. Although further investigation is still required, the performance of the system merits consideration. The work was undertaken by one of the authors as part of his MSc research project.

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

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