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  • 1
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    Thermal cycling of thin-film cadmium sulfide solar cells (1966)
    In:  CASI
    Details
    Publication Date: 2019-05-30
    Description: Thermal cycling of thin-film cadmium sulfide solar cells
    Keywords: AUXILIARY SYSTEMS
    Type: NASA-TN-D-3556
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Thermal cycling and heat damage tests of thin-film cadmium sulfide solar cells (1965)
    In:  CASI
    Details
    Publication Date: 2019-05-24
    Description: Heat damage and thermal cycling tests on thin film cadmium sulfide solar cells
    Keywords: AUXILIARY SYSTEMS
    Type: NASA-TN-D-3038
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Characterization, performance, and prediction of a lead-acid battery under simulated electric vehicle driving requirements (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A state-of-the-art 6-V battery module in current use by the electric vehicle industry was tested at the NASA Lewis Research Center to determine its performance characteristics under the SAE J227a driving schedules B, C, and D. The primary objective of the tests was to determine the effects of periods of recuperation and long and short periods of electrical regeneration in improving the performance of the battery module and hence extendng the vehicle range. A secondary objective was to formulate a computer program that would predict the performance of this battery module for the above driving schedules. The results show excellent correlation between the laboratory tests and predicted results. The predicted performance compared with laboratory tests was within +2.4 to -3.7 percent for the D schedule, +0.5 to -7.1 percent for the C schedule, and better than -11.4 percent for the B schedule.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-81771 , DOE/NASA/51044-19 , E-717
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Results of chopper-controlled discharge life cycling studies on lead acid batteries (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A group of 108 state of the art nominally 6 volt lead acid batteries were tested in a program of one charge/discharge cycle per day for over two years or to ultimate battery failure. The primary objective was to determine battery cycle life as a function of depth of discharge (25 to 75 percent), chopper frequency (100 to 1000 Hz), duty cycle (25 to 87.5 percent), and average discharge current (20 to 260 A). The secondary objective was to determine the types of battery failure modes, if any, were due to the above parameters. The four parameters above were incorporated in a statistically designed test program.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-82912 , DOE/NASA/51044-26 , E-1293 , NAS 1.15:82912
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Tests of protective clothing for the safe handling of pressurized lamps (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Tests were made to find a clothing material combination for use in handling high-pressure lamps. Monofilament nylon, ballistic nylon, and ballistic felt grouped into various multilayer combinations and chromed leather were positioned around and 30 cm (12 in.) away from exploding high-pressure lamps of different manufacturers and wattages. The results are: (1) 5024 nylon/ballistic felt/5024 nylon in a layered configuration was not penetrated by fragments of lamps as large as 6.5 kW; (2) this layered combination is lightweight and pliable and offers greater mobility and comfort to the user than previous protective clothing; and (3) Lexan plastic 1.6 mm (1/6 in.) thick to be used for face shield material showed no penetration for lamps as large as 20 kW.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: NASA-TM-X-3147 , E-7933
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Results of chopper-controlled discharge life cycling studies on lead-acid batteries (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: (previously announced in STAR as N82-30700)
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: IECEC ''82; Seventeenth Intersociety Energy Conversion Engineering Conference; Aug 08, 1982 - Aug 12, 1982; Los Angeles, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Lightweight protective clothing for the safe handling of high-intensity pressurized lamps (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Five commercially available clothing materials, selected for their high cutting resistance, high strength, light weight and pliability, were tested by exposing them to exploding lamps located less than 60 cm (2 ft) away. Face shield material tested initially was commercial high-strength polycarbonate plastic.
    Keywords: MATERIALS
    Type: LEW-12073
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Discharge characteristics of 300 ampere-hour Ni-Zn traction cells (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Preliminary tests were performed on 300 amphere-hour nickel-zinc cells containing the Lewis improved inorganic-organic (I/O) separator. These cells also have other design features included to optimize performance and cycle life. The tests carried out were formation tests and characteristic discharge tests. Information obtained include case temperature and maximum power delivered.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-79244 , E-151
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Results of electric-vehicle propulsion system performance on three lead-acid battery systems (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Three types of state of the art 6 V lead acid batteries were tested. The cycle life of lead acid batteries as a function of the electric vehicle propulsion system design was determined. Cycle life, degradation rate and failure modes with different battery types (baseline versus state of the art tubular and thin plate batteries) were compared. The effects of testing strings of three versus six series connected batteries on overall performance were investigated. All three types do not seem to have an economically feasible battery system for the propulsion systems. The tubular plate batteries on the load leveled profile attained 235 cycles with no signs of degradation and minimal capacity loss.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: IECEC ''84: Advanced energy systems - Their role in our future; Aug 19, 1984 - Aug 24, 1984; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Results of electric-vehicle propulsion system performance on three lead-acid battery systems (1984)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Three types of state of the art 6 V lead acid batteries were tested. The cycle life of lead acid batteries as a function of the electric vehicle propulsion system design was determined. Cycle life, degradation rate and failure modes with different battery types (baseline versus state of the art tubular and thin plate batteries were compared. The effects of testing strings of three versus six series connected batteries on overall performance were investigated. All three types do not seem to have an economically feasible battery system for the propulsion systems. The tubular plate batteries on the load leveled profile attained 235 cycles with no signs of degradation and minimal capacity loss.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-83657 , E-2015 , NAS 1.15:83657 , DOE/NASA/51044-36 , Intersoc. Energy Conversion Eng. Conf.; Aug 19, 1984 - Aug 24, 1984; San Francisco, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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