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C. Balan and J.W. AskewGeneral Electric Aircraft Engines, Cincinnati, Ohio
Static Aerodynamic Performance Investigationof a Fluid Shield Nozzle
NASA/CR—2005-213321
January 2005
https://ntrs.nasa.gov/search.jsp?R=20050111473 2018-05-04T07:50:29+00:00Z
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The NASA STI Program Office . . . in Profile
Since its founding, NASA has been dedicated tothe advancement of aeronautics and spacescience. The NASA Scientific and TechnicalInformation (STI) Program Office plays a key partin helping NASA maintain this important role.
The NASA STI Program Office is operated byLangley Research Center, the Lead Center forNASA’s scientific and technical information. TheNASA STI Program Office provides access to theNASA STI Database, the largest collection ofaeronautical and space science STI in the world.The Program Office is also NASA’s institutionalmechanism for disseminating the results of itsresearch and development activities. These resultsare published by NASA in the NASA STI ReportSeries, which includes the following report types:
• TECHNICAL PUBLICATION. Reports ofcompleted research or a major significantphase of research that present the results ofNASA programs and include extensive dataor theoretical analysis. Includes compilationsof significant scientific and technical data andinformation deemed to be of continuingreference value. NASA’s counterpart of peer-reviewed formal professional papers buthas less stringent limitations on manuscriptlength and extent of graphic presentations.
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C. Balan and J.W. AskewGeneral Electric Aircraft Engines, Cincinnati, Ohio
Static Aerodynamic Performance Investigationof a Fluid Shield Nozzle
NASA/CR—2005-213321
January 2005
National Aeronautics andSpace Administration
Glenn Research Center
Prepared under Contract NAS3–25951
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Available from
NASA Center for Aerospace Information7121 Standard DriveHanover, MD 21076
National Technical Information Service5285 Port Royal RoadSpringfield, VA 22100
Available electronically at http://gltrs.grc.nasa.gov
Document History
This research was originally published internally as HSR027 in May 1996.
Note that at the time of writing, the NASA Lewis Research Centerwas undergoing a name change to the
NASA John H. Glenn Research Center at Lewis Field.Both names may appear in this report.
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E–14781
WBS–22–714–09–46NAS3–25951
Static Aerodynamic Performance Investigation of a Fluid Shield Nozzle
C. Balan and J.W. Askew
Unclassified -UnlimitedSubject Categories: 01, 05, and 07 Distribution: Nonstandard
General Electric Aircraft EnginesOne Neumann WayCincinnati, Ohio 45125
This research was originally published internally as HSR027 in May 1996. Responsible person, Diane Chapman, Ultra-Efficient Engine Technology Program Office, NASA Glenn Research Center, organization code PA, 216–433–2309.
In pursuit of an acoustically acceptable, high performance exhaust system capable of meeting Federal Aviation
Regulation 36—Stage 3 noise goals for the High Speed Civil Transport application, General Electric Aircraft Engines
conducted a design study to incorporate a fluid shield into a 36-chute suppressor exhaust-nozzle system. After a full
scale preliminary mechanical design of the resulting fluid shield exhaust system, scale model aerodynamic perfor-
mance tests and acoustic tests were conducted to establish both aerodynamic performance and acoustic characteristics.
Data are presented as thrust coefficients, discharge coefficients, chute-base pressure drags, and plug static pressure
distributions.
High speed civil transport; Fluid shield; Exhaust-nozzle system72
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