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| Author | : Michael J. Crosby |
| Publisher | : |
| Total Pages | : 24 |
| Release | : 1969 |
| Genre | : |
| ISBN | : |
| Author | : Michael J. Crosby |
| Publisher | : |
| Total Pages | : 20 |
| Release | : 1969 |
| Genre | : |
| ISBN | : |
| Author | : Gary L. Cole |
| Publisher | : |
| Total Pages | : 44 |
| Release | : 1969 |
| Genre | : Airplanes |
| ISBN | : |
| Author | : United States. National Aeronautics and Space Administration Scientific and Technical Information Division |
| Publisher | : |
| Total Pages | : 966 |
| Release | : 1970 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division |
| Publisher | : |
| Total Pages | : 956 |
| Release | : 1970 |
| Genre | : Science |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : |
| Genre | : Aeronautics |
| ISBN | : |
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
| Author | : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division |
| Publisher | : |
| Total Pages | : 962 |
| Release | : 1970 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : George H. Neiner |
| Publisher | : |
| Total Pages | : 28 |
| Release | : 1970 |
| Genre | : Jet engines |
| ISBN | : |
The servosystem design of a high-response airflow bypass valving system for supersonic mixed-compression inlets or other industrial or aerospace pneumatic systems is described. The valve utilizes a multislotted plate to achieve flow area change with minimum stroke and mass of moving parts. The servosystem utilizes a hydraulic piston-in-cylinder actuator close-coupled to a two-stage electrohydraulic servovalve. Using electronic compensation the small-amplitude response of the system, modulating 14 percent of its full flow area, is flat within 0 to -3 dB to 110 Hz. (161 cm [to the second power] ). A mathematical model of the system is presented and analytical responses are compared with experimental data.
| Author | : Francis J. Paulovich |
| Publisher | : |
| Total Pages | : 52 |
| Release | : 1971 |
| Genre | : Airplanes |
| ISBN | : |
A cross-coupled inlet-engine control system concept is presented for a supersonic propulsion system consisting of a mixed- compression inlet and a turbojet engine. The control system employs manipulation of both bypass door flow area and engine speed to stabilize normal shock position in the inlet. Specifically, the case of slow-acting bypass doors used as a reset control where engine speed is the primary means of shock position control is described. Experimental results are presented showing performance of the control system with a NASA-designed inlet and a turbojet engine operating at Mach 2.5 in the Lewis 10- by 10-Foot Supersonic Wind Tunnel.
| Author | : Glenn A. Mitchell |
| Publisher | : |
| Total Pages | : 108 |
| Release | : 1974 |
| Genre | : Aerodynamics, Supersonic |
| ISBN | : |
