Results 91 to 100 of about 14,411 (284)

Dual cycle aircraft turbine engine [PDF]

open access: yes, 1977
A method and apparatus are presented for improving operating efficiency over broad ranges of flight conditions and for reducing jet engine noise output in takeoff and landing by controlling the airflow entering and exiting the engines.
Nichols, M. R.
core   +1 more source

Optimization and guidance of flight trajectories for the national aerospace plane [PDF]

open access: yes
The research on optimal trajectories for the National Aerospace Plane (NASP) performed by the Aero-Astronautics Group of Rice University from June 22, 1989 to December 31, 1990 is summarized.
Miele, Angelo
core   +1 more source

Multivariate Analysis, Retrieval, and Storage System (MARS). Volume 1: MARS System and Analysis Techniques [PDF]

open access: yes
A method for rapidly examining the probable applicability of weight estimating formulae to a specific aerospace vehicle design is presented. The Multivariate Analysis Retrieval and Storage System (MARS) is comprised of three computer programs which ...
Hague, D. S.   +2 more
core   +1 more source

Smoke Diffusion Characteristics for Smoke Generator Based on Turbojet

open access: yesNanjing Hangkong Hangtian Daxue Xuebao
Based on the discrete phase model in the simulation software FLUENT, the smoke diffusion characteristics under high-speed jet action of a smoke generator powered by a turbojet engine are calculated.
CAO Guangzhou, REN Rui, SUN Hongliang
doaj   +1 more source

On the effects of flight on jet engine exhaust noise [PDF]

open access: yes
Differences between flight data and predictions of jet engine exhaust noise were reconciled by considering the combined effects of jet mixing noise and internally generated engine exhaust noise.
Stone, J. R.
core   +1 more source

Effect of afterburner lights and inlet unstarts on a mixed compression inlet turbofan engine operating at Mach 2.5 [PDF]

open access: yes
Data are presented to show the response of an uncontrolled inlet to afterburner lightoff disturbances when a mixed-compression inlet is coupled to a turbofan engine.
Batterton, P. G.   +2 more
core   +1 more source

POSSIBLE APPVOACH TO COMPUTATIONAL AND ANALYTICAL CALCULATION OF THE STRESS INTENSITY FACTOR FOR THE BLADE OF THE TURBOJET

open access: yesНаучный вестник МГТУ ГА, 2016
This paper covers one stress intensity factor calculation method for the blades of the turbojet.
A. E. Sheryshev, D. V. Telnov
doaj  

A turbojet simulator for Mach numbers up to 2.0 [PDF]

open access: yes
A turbojet simulator was designed and fabricated for use in wind tunnel models. The simulator contains a six-stage, axial-flow compressor powered by a three-stage, axial-flow turbine. High pressure heated air was used to drive the turbine.
Nosek, S. M.   +3 more
core   +1 more source

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