Results 141 to 150 of about 11,681 (284)

Application of real-time engine simulations to the development of propulsion system controls [PDF]

open access: yes
The development of digital controls for turbojet and turbofan engines is presented by the use of real-time computer simulations of the engines. The engine simulation provides a test-bed for evaluating new control laws and for checking and debugging ...
Szuch, J. R.
core   +1 more source

Preliminary engineering report for design of a subscale ejector/diffuser system for high expansion ratio space engine testing [PDF]

open access: yes
The design of a subscale jet engine driven ejector/diffuser system is examined. Analytical results and preliminary design drawings and plans are included. Previously developed performance prediction techniques are verified. A safety analysis is performed
Doktor, M. F.   +2 more
core   +1 more source

Experimental cold-flow evaluation of a ram air cooled plug nozzle concept for afterburning turbojet engines [PDF]

open access: yes
A concept for plug nozzles cooled by inlet ram air is presented. Experimental data obtained with a small scale model, 21.59-cm (8.5-in.) diameter, in a static altitude facility demonstrated high thrust performance and excellent pumping characteristics ...
Harrington, D. E., Straight, D. M.
core   +1 more source

Performance of an annual combustor designed for a low-cost turbojet engine [PDF]

open access: yes
Performance tests were conducted on a combustor designed for use in a low-cost turbojet engine. Low-cost features included the use of very inexpensive simplex fuel nozzles and combustor liners of perforated sheet material.
Fear, J. S.
core   +1 more source

A Novel Ultrasonic Fatigue Test and Application in Bending Fatigue of TC4 Titanium Alloy. [PDF]

open access: yesMaterials (Basel), 2022
Tang S   +9 more
europepmc   +1 more source

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