Results 91 to 100 of about 958,962 (214)

Experimental Investigation of Performance of the Rotorcraft Directional Rudder

open access: yesCommunications
The paper presents the results of gyrocopter fuselage experiment testing in a wind tunnel. The model subjected to testing was made in 1:8 scale by 3D printing.
Andrej Novák   +5 more
doaj   +1 more source

Computer program determines performance efficiency of remote measuring systems [PDF]

open access: yes, 1966
Computer programs control and evaluate instrumentation system performance for numerous rocket engine test facilities and prescribe calibration and maintenance techniques to maintain the systems within process specifications.
Merewether, E. K.
core   +1 more source

F100 multivariable control synthesis program: A review of full scale engine altitude tests [PDF]

open access: yes
The benefits of linear quadratic regulator synthesis methods in designing a multivariable engine control capable of operating an engine throughout its flight envelope were demonstrated.
Lehtinen, B., Soeder, J. F.
core   +1 more source

Flight evaluation of an extended engine life mode on an F-15 airplane [PDF]

open access: yes
An integrated flight and propulsion control system designed to reduce the rate of engine deterioration was developed and evaluated in flight on the NASA Dryden F-15 research aircraft.
Conners, Timothy R., Myers, Lawrence P.
core   +1 more source

Engineering Cell Systems

open access: yesStem Cells International, 2019
Tiago G. Fernandes   +2 more
openaire   +3 more sources

Aerodynamic characteristics of a 1/6-scale model of the rotor systems research aircraft with the rotors removed [PDF]

open access: yes
A wind-tunnel investigation was conducted to refine the aerodynamic characteristics of the rotor systems research aircraft. For the investigation, a 1/6-scale model without a main rotor or a tail rotor was used.
Freeman, C. R.   +2 more
core   +1 more source

The development of power specific redlines for SSME safety monitoring [PDF]

open access: yes
Over the past several years, there has been an increased awareness in the necessity for rocket engine health monitoring because of the cost and complexity of present and future systems. A current rocket engine system, the Space Shuttle Main Engine (SSME),
Bosch, Claudia M., Maul, William A.
core   +1 more source

Integrated health monitoring and controls for rocket engines [PDF]

open access: yes
Current research in intelligent control systems at the Lewis Research Center is described in the context of a functional framework. The framework is applicable to a variety of reusable space propulsion systems for existing and future launch vehicles.
Guo, T. H.   +2 more
core   +1 more source

Complex Engineering Systems and Systems Engineering [PDF]

open access: yes2018 IEEE 23rd International Conference on Emerging Technologies and Factory Automation (ETFA), 2018
openaire   +1 more source

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