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The Rolls-Royce Civil Engine Family - Today and into the Future
ISSN: 0148-7191, e-ISSN: 2688-3627
Published August 01, 1988 by SAE International in United States
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Rolls-Royce Civil Engine strategy calls for technology development for derivative engine programs and application to longer term new propulsion concepts.
In the near future, further development of the turbofan for the next generation of derivative aircraft is planned. Reductions in fuel consumption, noise, weight, and cost will be achieved with engine cycles in the range currently in service and by refinements to component efficiency and application of advanced materials and manufacturing techniques. This derivative approach is likely to continue until the relationship between first and operating cost changes dramatically.
As fuel prices rise, or the demand for more rapid travel develops, changes to the basic engine cycle will be necessary. For long range, high subsonic speed operation, substantial increases in turbofan bypass ratio will be needed to realize further fuel burn reductions. For intermediate ranges the propfan may have limited application, but economics will probably dictate retention of a more conventional powerplant for short range aircraft.
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CitationHodson, J. and Barnes, G., "The Rolls-Royce Civil Engine Family - Today and into the Future," SAE Technical Paper 881205, 1988, https://doi.org/10.4271/881205.
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