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Dive into the research topics where James Edward Johnson is active.

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Featured researches published by James Edward Johnson.


ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition | 1994

A Methodology to Assess Design Uncertainty in Selecting Affordable Gas Turbine Technology

James L. Younghans; James Edward Johnson; Steven J. Csonka

A methodology is discussed which allows quantification of uncertainty in the gas turbine design and analysis process. The methodology can be employed to rank order the cost effectiveness of advanced component technologies or alternatively can be used to determine probable performance (SFC and Thrust) of engines which have component performance uncertainties. Execution of the methodology requires a desk top computer and commercially available software.Copyright


Archive | 2002

Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors

Jorge Francisco Seda; Lawrence W. Dunbar; Philip Roger Gliebe; Peter N. Szucs; John Christopher Brauer; James Edward Johnson; Thomas Ory Moniz; Gregory Todd Steinmetz


Archive | 2002

Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor

Jorge Francisco Seda; Lawrence W. Dunbar; Peter N. Szucs; John Christopher Brauer; James Edward Johnson


Archive | 1976

Modulating bypass variable cycle turbofan engine

Bernard Louis Koff; Raymond Edwin Budinger; James Edward Johnson


Archive | 1996

Turbofan engine with a core driven supercharged bypass duct

Rollin George Giffin; James Edward Johnson; David William Crall; John W. Salvage; Peter Nicholas Szucs


Archive | 1993

Spillage drag and infrared reducing flade engine

James Edward Johnson


Archive | 1996

Turbofan engine with a core driven supercharged bypass duct and fixed geometry nozzle

James Edward Johnson


Archive | 2003

Flade gas turbine engine with fixed geometry inlet

James Edward Johnson


Archive | 2003

Aft FLADE engine

James Edward Johnson


Archive | 2005

Thrust vectoring aft FLADE engine

John Lewis Baughman; James Edward Johnson

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