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  • 1
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    TRACKING AND DATA ACQUISITION (1962)
    In:  CASI
    Details
    Publication Date: 2006-10-26
    Description: Tracking and data acquisition from spacecraft using minitrack network
    Keywords: ELECTRONIC EQUIPMENT
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Technology review of flight crucial flight control systems (application of optical technology) (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The survey covers the various optical elements that are considered in a fly-by-light flight control system including optical sensors and transducers, optical data links, so-called optical actuators, and optical/electro-optical processing. It also addresses airframe installation, maintenance, and repair issues. Rather than an in-depth treatment of optical technology, the survey concentrates on technology readiness and the potential advantages/disadvantages of applying the technology. The information was assembled from open literature, personal interviews, and responses to a questionnaire distributed specifically for this survey. Not all of the information obtained was consistent, particularly with respect to technology readiness. The synthesis of information into the perception of the state-of-technology is presented.
    Keywords: AIRCRAFT STABILITY AND CONTROL
    Type: NASA-CR-172332-SUPPL-1 , NAS 1.26:172332-SUPPL-1
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    A Preliminary Motion-picture Study of Combustion in a Compression-ignition Engine (1934)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Motion pictures were taken at 1,850 frames per second of the spray penetration and combustion occurring in the N.A.C.A. combustion apparatus arranged to operate as a compression-ignition engine. Indicator cards were taken simultaneously with the motion pictures by means of the N.A.C.A. optical indicator. The motion pictures showed that when ignition occurred during injection it started in the spray envelope. If ignition occurred after injection cut-off, however, and after considerable mixing had taken place, it was impossible to predict where the ignition would start. The pictures also showed that ignition usually started at several points in the combustion chamber. With this apparatus, as the injection advance angle increased from 0 degrees to 40 degrees before top center, the rate of flame spread increased and the duration of the burning decreased.
    Type: NACA-TN-496
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    The N.A.C.A. Combustion Chamber Gas-sampling Valve and Some Preliminary Test Results (1933)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A gas sampling valve of the inertia-operated type was designed for procuring samples of the gases in the combustion chamber of internal combustion engines at identical points in successive cycles so that the analysis of the gas samples thus procured may aid in the study of the process of combustion. The operation of the valve is described. The valve was used to investigate the CO2 content of gases taken from the quiescent combustion chamber of a high speed compression-ignition engine when operating with two different multiple-orifice fuel injection nozzles. An analysis of the gas samples thus obtained shows that the state of quiescence in the combustion chamber is maintained during the combustion of the fuel.
    Type: NACA-TN-454
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Technology review of flight crucial flight controls (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The results of a technology survey in flight crucial flight controls conducted as a data base for planning future research and technology programs are provided. Free world countries were surveyed with primary emphasis on the United States and Western Europe because that is where the most advanced technology resides. The survey includes major contemporary systems on operational aircraft, R&D flight programs, advanced aircraft developments, and major research and technology programs. The survey was not intended to be an in-depth treatment of the technology elements, but rather a study of major trends in systems level technology. The information was collected from open literature, personal communications and a tour of several companies, government organizations and research laboratories in the United States, United Kingdom, France, and the Federal Republic of Germany.
    Keywords: AIRCRAFT STABILITY AND CONTROL
    Type: NASA-CR-172332 , NAS 1.26:172332 , HR-78500037
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    A review of foreign technology in aircraft flight controls (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A survey of U.S. and foreign technology in aircraft flight controls was conducted for NASA Langley Research Center as a data base for planning future research and technology programs. The survey covers control and hardware configurations of major contemporary systems on operational aircraft, R&D flight programs, advanced aircraft developments and significant research and technology programs. This paper concentrates on the foreign technology elements and findings of the survey with primary emphasis on Western Europe, where most of the advanced technology resides.
    Keywords: AIRCRAFT STABILITY AND CONTROL
    Type: NAECON 1984; May 21, 1984 - May 25, 1984; Dayton, OH
    Format: text
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    NASA TECHNICAL REPORTS
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