The relations are derived enabling to estimate the acceleration time of the turbojet engine rotor set. The terms are established allowing for the determination of the effect of individual operational and structural engine parameters upon the time needed
M. Orkisz
doaj
Hypersonic cruise aircraft propulsion integration study, volume 1 [PDF]
A hypersonic cruise transport conceptual design is described. The integration of the subsonic, supersonic, and hypersonic propulsion systems with the aerodynamic design of the airframe is emphasized.
Brewer, G. D., Morris, R. E.
core +1 more source
Turbine for ordnance turbojet engine. 2: Cold-air performance with opened stator [PDF]
A single-stage axial-flow turbine was investigated to determine the effect of increased stator throat area on the performance level of a turbojet engine turbine.
Haas, J. E. +2 more
core +1 more source
Pollution reduction technology program for small jet aircraft engines: Class T1 [PDF]
Small jet aircraft engines (EPA class T1, turbojet and turbofan engines of less than 35.6 kN thrust) were evaluated with the objective of attaining emissions reduction consistent with performance constraints.
Bruce, T. W. +2 more
core +1 more source
At present, the controllable parameters of micro turbojet engines in engineering applications are mainly speed-fuel flow (hereinafter referred to as flow) control, in which closed-loop proportional–integral–derivative (PID) control is mostly used to ...
Q. Gao, Jiahao Li, Yuxin Zhang
doaj +1 more source
Effects of chemical equilibrium on turbine engine performance for various fuels and combustor temperatures [PDF]
A study was performed to quantify the differences in turbine engine performance with and without the chemical dissociation effects for various fuel types over a range of combustor temperatures.
Snyder, Christopher A., Tran, Donald H.
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Micro turbojet engine nozzle ejector impact on the performance and transient regimes analysis
This study investigates the influence of an ejector nozzle on the performance and transient behavior of a micro turbojet engine. The problem addressed is the improvement of thrust and fuel efficiency in micro propulsion systems and offering new insights ...
Valentin Silivestru +4 more
doaj +1 more source
Self-teaching digital-computer program for fail-operational control of a turbojet engine in a sea-level test stand [PDF]
The design and evaluation are described of a digital turbojet engine control which is capable of sensing catastrophic failures in either the engine rotor speed or the compressor discharge static-pressure signal and is capable of switching control modes ...
Arpasi, D. J., Wallhagen, R. E.
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A Soviet quasi-market for inventions : jet propulsion, 1932–1946 [PDF]
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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Analysis, Design and Development of a Mini Jet Turbocharged Engine for Use in a Thermotronic Laboratory [PDF]
Giventhe importance of air engine control systems and the necessity of developing this specialty in the country, the establishment of appropriate infrastructures for implementing applied research in this section field is very important.
Kamyar Nikzadfar +3 more
doaj

