RFI characteristics of a delay relay satellite system.
RFI effects of earth based emitters on operation of geosynchronous satellites for data relay from near earth orbiting satellites, noting frequency assignments
Bryan, J. W.↗
SEARCH · Engineering Papers
Results for “emittance”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Integrated circuit random-access memory decoder
Decoder circuit with complementary-symmetry circuit configuration composed of MOS and n-p-n bipolar devices minimizes power consumption. Emitter-follower drive scheme results in low power dissipation and high speed operation.
Katz, S.↗
Load cell for thermionic converter tests
Stable, low duty cycle transistorized emitter follower load cell controls and absorbs large currents at low voltages. The use of energy storage in capacitors reduces auxiliary power source requirements. Low duty cycle pulse mode of operation reduces the average power handling requirement of all components.
Breitwieser, R.↗
Power density measurements Test report
Evaluation of power density test measurements on radio frequency emitter at Apollo Saturn assembly and launch complexes
Source record↗
Design study to improve Pioneer louver system thermal performance Final report, 1 Jun. 1967 - 1 Feb. 1968
Design to improve emittance performance of louver system for thermal control of Pioneer 4
Clausen, O. W.↗
Thermionic cathode evaluation study Final report, 1 Jan. 1967 - 30 Sep. 1969
Life burning capabilities of pore-type-dispenser, barium oxide, and coated particle cathodes for thermionic emitters
Hill, F. T.↗
Experimental investigation of radiative transfer between metallic surfaces at cryogenic temperatures
Radiative heat flux between two parallel copper disks at cryogenic temperature, showing dependence on emitter temperature and spacing
Boehm, R. F.↗
The performance of a molybdenum, molybdenum cylindrical thermionic converter
Mo/Mo cylindrical thermionic converter steady state performance, measuring efficiency and power density at various low emitter and collector temperatures
Kascak, T. J.↗
Some investigations of refractory metal systems of thermionic interest
Diffusion rates in refractory metal alloys for thermionic emitters as function of time and temperature
Horner, M. H.↗
Energy resolution of the photoemission analyzer
Photoemission analyzer with finite emitter in spherically symmetric retarding field with magnetic field present, analyzing energy resolution
Distefano, T. H.↗
Detection and identification of recombination lines from an H I region
Hydrogen I region anomalous alpha lines recombination in Orion B spectrum, identifying carbon emitter by measured frequency separation
Ball, J. A.↗
Optimum doping achieves high quantum yields in GaAs photoemitters
Experimental data indicate that optimum doping exists. Measured quantum yield curves indicate optimum overall response is obtained in GaAs emitters with doping in high 10 to the 18th power per cu cm range. Doping for optimum response is not necessarily in this range.
Sonnenberg, H.↗
Colloid thruster technology Interim report, 20 Jun. 1969 - 20 Jun. 1970
Development of colloid thruster system with array of emitters
Source record↗
Development of techniques and associated instrumentation for high temperature emissivity measurements, Appendix A, Bibliography, Volume 2 Quarterly progress report, 29 Jun. - 30 Sep. 1970
Bibliography on emittance of high temperature materials including refractory materials, ceramics, carbon, graphites, chars, and ablative materials for use in aerospace engineering
Source record↗
Method and device for determining battery state of charge Patent
Indicator device for monitoring charge of wet cell battery, using semiconductor light emitter and photodetector
Krause, S. J.↗
Development of techniques and associated instrumentation for high temperature emissivity measurements Quarterly progress report, 30 Sep. - 31 Dec. 1970
Emittance measurement techniques for space shuttle materials in high temperature environmental simulation
Cunnington, G. R.↗
Thermal and radiative property measurement of thermal control coatings by cyclic radiation
Specific heat, absorptance, and emittance of thermal control coatings determined simultaneously by cyclic radiation technique
Jack, J. R.↗
Process for applying black coating to metals Patent
High thermal emittance black surface coatings and process for applying to metal and metal alloy surfaces used in radiative cooling of spacecraft
Lewis, B. W.↗