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Uncertainty of in-flight thrust determinationMethods for estimating the measurement error or uncertainty of in-flight thrust determination in aircraft employing conventional turbofan/turbojet engines are reviewed. While the term 'in-flight thrust determination' is used synonymously with 'in-flight thrust measurement', in-flight thrust is not directly measured but is determined or calculated using mathematical modeling relationships between in-flight thrust and various direct measurements of physical quantities. The in-flight thrust determination process incorporates both ground testing and flight testing. The present text is divided into the following categories: measurement uncertainty methodoogy and in-flight thrust measurent processes.
Document ID
19880028001
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Abernethy, Robert B.
(Pratt and Whitney East Hartford, CT, United States)
Adams, Gary R.
(USAF Wright-Patterson AFB, OH, United States)
Steurer, John W.
(McDonnell Douglas Co. Saint Louis, MO, United States)
Ascough, John C.
(Royal Aircraft Establishment Farnborough, United Kingdom)
Baer-Riedhart, Jennifer L.
(NASA Flight Research Center Edwards, CA, United States)
Balkcom, George H.
(General Dynamics Corp. Saint Louis, MO, United States)
Biesiadny, Thomas
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1986
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
SAE AIR 1678
Accession Number
88A15228
Distribution Limits
Public
Copyright
Other

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