Results 131 to 140 of about 19,118 (298)

Small V/STOL aircraft analysis, volume 1 [PDF]

open access: yes
A study has been made of the economic viability of advanced V/STOL aircraft concepts in performing general aviation missions. A survey of general aviation aircraft users, operators, and manufacturers indicated that personnel transport missions formulated
Belina, F. W., Smith, K. R., Jr.
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A Soviet quasi-market for inventions : jet propulsion, 1932–1946 [PDF]

open access: yes
This paper is about how a command system allocated resources under profound uncertainty. The command system was the Soviet economy, the period was Stalin's dictatorship, and the resources were designated for military research & development.
Harrison, Mark
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Noise and performance calibration study of a Mach 2.2 supersonic cruise aircraft [PDF]

open access: yes
The baseline configuration of a Mach 2.2 supersonic cruise concept employing a 1980 - 1985 technology level, dry turbojet, mechanically suppressed engine, was calibrated to identify differences in noise levels and performance as determined by the ...
Maglieri, D. J., Mascitti, V. R.
core   +1 more source

NSEG, a segmented mission analysis program for low and high speed aircraft. Volume 1: Theoretical development [PDF]

open access: yes
A rapid mission analysis code based on the use of approximate flight path equations of motion is presented. Equation form varies with the segment type, for example, accelerations, climbs, cruises, descents, and decelerations.
Hague, D. S., Rozendaal, H. L.
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

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