Results 51 to 60 of about 31,489 (151)
Spark Ignition Energy Measurements in Jet A [PDF]
, 2000 Experiments have been carried out to measure the spark ignition energy of Jet A vapor in air. A range of ignition energies from 1 mJ to 100 J was examined in these tests.
Krok, J. Christopher +2 more
core
Chemical kinetic analysis of hydrogen-air ignition and reaction times [PDF]
An anaytical study of hydrogen air kinetics was performed. Calculations were made over a range of pressure from 0.2 to 4.0 atm, temperatures from 850 to 2000 K, and mixture equivalence ratios from 0.2 to 2.0.
Rogers, R. C., Schexnayder, C. J., Jr.
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Flight dynamics facility operational orbit determination support for the ocean topography experiment [PDF]
The Ocean Topography Experiment (TOPEX/POSEIDON) mission is designed to determine the topography of the Earth's sea surface across a 3 yr period, beginning with launch in June 1992.
Bolvin, D. T. +3 more
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Status of research into lightning effects on aircraft [PDF]
Developments in aircraft lightning protection since 1938 are reviewed. Potential lightning problems resulting from present trends toward the use of electronic controls and composite structures are discussed, along with presently available lightning test ...
Plumer, J. A.
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Spark Ignition of Monodisperse Fuel Sprays [PDF]
A study of spark ignition energy requirements was conducted with a monodisperse spray system allowing independent control of droplet size, equivalent ratio, and fuel type.
Cernansky, Nicholas P. +2 more
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Composite solid propellant flame microstructure determination Annual report, 23 Jun. 1967 - 22 Jun. 1968 [PDF]
Composite solid propellant flame microstructure ...
Friedman, R. +3 more
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Transatmospheric vehicle research [PDF]
Research was conducted into the alternatives to the supersonic combustion ramjet (scramjet) engine for hypersonic flight. A new engine concept, the Oblique Detonation Wave Engine (ODWE) was proposed and explored analytically and experimentally.
Adelman, Henry G., Cambier, Jean-Luc
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Arcjet starting reliability: A multistart test on hydrogen/nitrogen mixtures [PDF]
An arcjet starting reliability test was performed to investigate one feasibility issue in the use of arcjets onboard a satellite for north-south stationkeeping. A 1 kW arcjet was run on hydrogen/nitrogen gas mixtures simulating decomposed hydrazine.
Curran, Frank M., Haag, Thomas W.
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Langley Mach 4 scramjet test facility [PDF]
An engine test facility was constructed at the NASA Langley Research Center in support of a supersonic combustion ramjet (scramjet) technology development program.
Anderson, G. Y. +4 more
core +1 more source
, 2018 This thesis deals with the prediction, improvement and simulation of switching performance of low-voltage switching devices (LVSDs). A literature review of arc characteristics, interruption principle, switching performance and arc modelling of LVSDs has been conducted.
openaire +1 more source