Results 101 to 110 of about 10,232 (233)

Variable stream control engine concept for advanced supersonic aircraft: Features and benefits [PDF]

open access: yes
The Variable Stream Control Engine is studied for advanced supersonic cruise aircraft. Significant environmental and performance improvements relative to first generation supersonic turbojet engines are cited.
Howlett, R. A.
core   +1 more source

Windmilling of the rotor of a turbojet engine with an axial-flow compressor under flight conditions [PDF]

open access: yes
The concept of rotor windmilling is understood to mean rotation of the rotor caused solely by the energy of the air (not gas) streaming through the apertures between the blades (under conditions of power shut-off) under the action of dynamic pressure ...
Borgon, J.
core   +1 more source

The influence of dynamic factors on the characteristics of the aviation engine in operating modes

open access: yesАвіаційно-космічна техніка та технологія
In the range of different flow modes for selecting the dimensions of the flow part, the rotor rotation frequency, and the design of compressors and turbines, the highest tension values for the strength were considered.
Serhii Tovkach
doaj   +1 more source

Advanced supersonic technology propulsion system study [PDF]

open access: yes
This study had the objectives of determining the most promising conventional and variable cycle engine types; the effect of design cruise Mach number (2.2, 2.7 and 3.2) on a commercial supersonic transport; effect of advanced engine technology on the ...
Allan, R. D., Szeliga, R.
core   +1 more source

Assessment of a regulatory measurement system for the determination of the non-volatile particulate matter emissions from commercial aircraft engines. [PDF]

open access: yesJ Aerosol Sci, 2021
Kinsey JS   +27 more
europepmc   +1 more source

Combustion Limits and Efficiency of Turbojet Engines [PDF]

open access: yes
Combustion must be maintained in the turbojet-engine combustor over a wide range of operating conditions resulting from variations in required engine thrust, flight altitude, and flight speed. Furthermore, combustion must be efficient in order to provide
Barnett, H. C., Jonash, E. R.
core   +1 more source

Low-frequency rear quadrant noise of a turbojet engine with exhaust duct muffling [PDF]

open access: yes
A J-65 engine was run with a tuned sound-absorbing exhaust duct to study the internal and jet components of rear quadrant noise. Full muffler, hard wall duct, and regular production engine configurations were tested.
Minner, G. L., Woodward, R. P.
core   +1 more source

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