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P and W propulsion systems studies results/statusThe topics covered include the following: Pratt and Whitney (P&W) propulsion systems studies - NASA funded efforts to date; P&W engine concepts; P&W combustor focus - rich burn quick quench (RBQQ) concept; mixer ejector nozzle concept - large flow entrainment reduces jet noise; technology impact on NO(x) emissions - mature RBQQ combustor reduces NO(x) up to 85 percent; technology impact on sideline noise characteristics of Mach 2.4 turbine bypass engines (TBE's) - 600 lb/sec airflow size; technology impact on takeoff gross weight (TOGW) - provides up to 12 percent TOGW reduction; HSCT quiet engine concepts; TBE inlet valve/ejector nozzle concept schematic; mixed flow turbofan study; and exhaust nozzle conceptual design.
Document ID
19940028974
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Smith, Martin G., Jr. (Pratt and Whitney Aircraft East Hartford, CT, United States)
Champagne, George A. (Pratt and Whitney Aircraft East Hartford, CT, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1992
Publication Information
Publication: NASA. Langley Research Center, First Annual High-Speed Research Workshop, Part 2
Subject Category
Aircraft Propulsion And Power
Accession Number
94N33480
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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