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There are a total of 24 record(s) matching your query.
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Photoconductivity of high-voltage space insulating materials
Author(s): Coffey, H. T.; Nanevicz, J. E.; Adamo, R. C.
Abstract: The dark and photoconductivities of four high voltage spacecraft insulators, Kapton-H, FEP Teflon, Parylene, and fused quartz, were studied under a variety of conditions intended to simulate a space environment. All ...
NASA Center: NASA (non Center Specific) Publication Year: 1975
Added to NTRS: 2008-07-01
Accession Number: 76N19233; Document ID: 19760012145; Report Number: NASA-CR-134995
Photoconductivity of high voltage space insulating materials: Measurements with metal electrodes
Author(s): Coffey, H. T.; Nanevicz, J. E.
Abstract: The electrical conductivities of high voltage insulating materials were measured in the dark and under various intensities of illumination. The materials investigated included FEP Teflon, Kapton-H, fused quartz, and ...
NASA Center: NASA (non Center Specific) Publication Year: 1975
Added to NTRS: 2008-07-01
Accession Number: 77N23365; Document ID: 19770016421; Report Number: ITR-1, NASA-CR-152839
Effects of illumination on the conductivity properties of spacecraft insulating materials
Author(s): Adamos, R. C.; Nanevicz, J. E.
Abstract: Experimental data on the dark and illuminated conductivities of Kapton V and polyvinylidene fluoride (PVF2) films are described as well as the changes in insulating properties produced in Kapton H, Kapton V, PVF2, and FEP ...
NASA Center: NASA (non Center Specific) Publication Year: 1977
Added to NTRS: 2008-06-30
Accession Number: 77N30178; Document ID: 19770023234; Report Number: NASA-CR-135201
Airborne observations of electric fields around growing and decaying cumulus clouds
Author(s): Giori, K. L.; Nanevicz, J. E.
Abstract: Airborne electric field data were gathered in an atmospheric electrification study near Cape Canaveral, FL. A Learjet 36A was instrumented with eight electric field meters (mills) and five different particle probes. The ...
NASA Center: NASA (non Center Specific) Publication Year: 1991
Added to NTRS: 2008-05-31
Accession Number: 91N32616; Document ID: 19910023302
Scale-model charge-transfer technique for measuring enhancement factors
Author(s): Kositsky, J.; Nanevicz, J. E.
Abstract: Determination of aircraft electric field enhancement factors is crucial when using airborne field mill (ABFM) systems to accurately measure electric fields aloft. SRI used the scale model charge transfer technique to ...
NASA Center: NASA (non Center Specific) Publication Year: 1991
Added to NTRS: 2008-05-31
Accession Number: 91N32651; Document ID: 19910023337
Studies on ionization phenomena associated with solid propellant rockets.
Author(s): Capener, E. L.; Chown, J.; Dickinson, L. A.; Nanevicz, J. E.
Abstract: Solid propellant composition and rocket motor design effect on plasma microwave and visible light attenuation emitted by exhaust
NASA Center: NASA (non Center Specific) Publication Year: 1965
Added to NTRS: 2006-11-06
Accession Number: 65A14608; Document ID: 19650031904; Report Number: AIAA PAPER 65-182
Studies on ionization phenomena associated with solid-propellant rockets.
Author(s): Capener, E. L.; Chown, J. B.; Dickinson, L. A.; Nanevicz, J. E.
Abstract: Microwave attenuation magnitude associated with exhaust plasma of nonaluminized and aluminized composite propellant
NASA Center: NASA (non Center Specific) Publication Year: 1966
Added to NTRS: 2006-11-06
Accession Number: 66A38687; Document ID: 19660059397
Development of a continuous broad-energy-spectrum electron source
Author(s): Adamo, R. C.; Nanevicz, J. E.
Abstract: The development of a practical prototype, large-area, continuous-spectrum, multienergy electron source to simulate the lower energy (approx = 1 to 30 keV) portion of the geosynchronous orbit electron environment was ...
NASA Center: NASA (non Center Specific) Publication Year: 1985
Added to NTRS: 2006-08-02
Accession Number: 85N22507; Document ID: 19850014196
Laboratory studies of spacecraft response to transient discharge pulses
Author(s): Nanevicz, J. E.; Adamo, R. C.
Abstract: The in-orbit measurement of spacecraft discharge properties was investigated. The experiments include design and fabrication of appropriate sensors and effects of spacecraft electromagnetic responses on the interpretation of ...
NASA Center: NASA (non Center Specific) Publication Year: 1985
Added to NTRS: 2006-08-02
Accession Number: 85N22506; Document ID: 19850014195
A rugged electron/ion source for spacecraft charging experiments
Author(s): Nanevicz, J. E.; Adamo, R. C.
Abstract: A simple, novel technique was developed for generating a large-diameter, uniform electron beam with appropriate current density for spacecraft charging studies.
NASA Center: NASA (non Center Specific) Publication Year: 1977
Added to NTRS: 2004-11-03
Accession Number: 78N10162; Document ID: 19780002219
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