Results 81 to 90 of about 2,567 (166)

Liquid lubricants for advanced aircraft engines [PDF]

open access: yes
An overview of liquid lubricants for use in current and projected high performance turbojet engines is discussed. Chemical and physical properties are reviewed with special emphasis placed on the oxidation and thermal stability requirements imposed upon ...
Fusaro, Robert L., Loomis, William R.
core   +1 more source

CFD simulation of updrafts initiated by a vertically directed jet fed by the heat of water vapor condensation. [PDF]

open access: yesSci Rep, 2022
Abshaev MT   +7 more
europepmc   +1 more source

Performance of a ducted micro-turbojet engine

open access: yes, 1999
A turbo-ramjet engine configuration has possible applications in missiles or Uninhabited Aerial Vehicle's (UAV's). In order to study possible configurations, a Sophia J450 turbojet engine was used, with varying shroud configurations, to compare static thrust and specific fuel consumption measured in a test rig.
openaire   +1 more source

Aeronautical Engineering: A special bibliography with indexes, supplement 67, February 1976 [PDF]

open access: yes
This bibliography lists 341 reports, articles, and other documents introduced into the NASA scientific and technical information system in January ...

core   +1 more source

Experimental atmospheric absorption values from aircraft flyover noise signals [PDF]

open access: yes
Analysis of aircraft noise recordings to determine experimental values of atmospheric sound ...
Bishop, D. E., Chang, D., Simpson, M. A.
core   +1 more source

NASA guidelines on report literature [PDF]

open access: yes
NASA seeks for inclusion in its Scientific and Technical Information System research reports, conference proceedings, meeting papers, monographs, and doctoral and post graduate theses which relate to the NASA mission and objectives. Topics of interest to

core   +1 more source

Design and Analysis of Annular Combustion Chamber for a Micro Turbojet Engine

open access: yes, 2019
The design of high performance combustion chambers for turbojet engines is considered as one of the most challenges that face gas turbine designers, since the design approach depends on empirical correlations of data derived from the previous design experiences.
openaire   +1 more source

Search and dissemination in data processing [PDF]

open access: yes
Manual retrieval methods were used to complete 54 searches of interest for the General Aviation Newsletter. Subjects of search ranged from television transmission to machine tooling, Apollo moon landings, electronic equipment, and aerodynamics ...
Dittmar, V.   +3 more
core   +1 more source

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