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  • Other Sources  (116)
  • ENERGY PRODUCTION AND CONVERSION
  • 1970-1974  (116)
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  • Other Sources  (116)
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  • 1
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    Energy: A continuing bibliography with indexes, supplement 2 (1974)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: This bibliography lists 405 reports, articles, and other documents introduced into the NASA Scientific and Technical Information System from April 1, 1974 through June 30, 1974.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-SP-7043(02)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Technology Utilization House Study Report (1974)
    In:  CASI
    Details
    Publication Date: 2019-08-14
    Description: The objectives of Project TECH are: (1) to construct a single family detached dwelling for demonstrating the application of advanced technology and minimizing the requirement for energy and utility services, and (2) to help influence future development in home construction by defining the interaction of integrated energy and water management systems with building configuration and construction materials. Components and methods expected to be cost effective over a 20 year span were studied. Emphasis was placed on the utilization of natural heating and cooling characteristics. Orientation and location of windows, landscaping, natural ventilation, and characteristics of the local climate and microclimate were intended to be used to best advantage. Energy conserving homes are most efficient when design for specific sites, therefore project TECH should not be considered a prototype design suitable for all locations. However, it does provide ideas and analytical methods which can be applied to some degree in all housing.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-144896
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    NASA objectives for improved solar power plants (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: The present work describes the principal goals for the main effort of NASA's research and development of solar photovoltaic cells and arrays. These are (1) to reduce array costs from $270/watt to $90/watt (no change in volume) or to $41/watt (high volume production), (2) raise power density from 66 watts/kg to 110 watts/kg, and (3) minimize dynamic interaction problems. The first two goals can be accomplished by increased cell efficiency, reduced cell thickness, the development of a multiple ribbon growth process, and automation of cell production. To minimize dynamic interaction between array and spacecraft, module flexibility will be increased.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Intersociety Energy Conversion Engineering Conference; Aug 26, 1974 - Aug 30, 1974; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Wind energy developments in the 20th century (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: Wind turbine systems for generating electrical power have been tested in many countries. Representative examples of turbines which have produced from 100 to 1250 kW are described. The advantages of wind energy consist of its being a nondepleting, nonpolluting, and free fuel source. Its disadvantages relate to the variability of wind and the high installation cost per kilowatt of capacity of wind turbines when compared to other methods of electric-power generation. High fuel costs and potential resource scarcity have led to a five-year joint NASA-NSF program to study wind energy. The program will study wind energy conversion and storage systems with respect to cost effectiveness, and will attempt to estimate national wind-energy potential and develop techniques for generator site selection. The studies concern a small-systems (50-250 kW) project, a megawatt-systems (500-3000 kW) project, supporting research and technology, and energy storage. Preliminary economic analyses indicate that wind-energy conversion can be competitive in high-average-wind areas.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Annual Regulatory Information Systems Conference; Sept. 10-12, 1974; St. Louis, MO
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    The MIST /MIUS Integration and Subsystems Test/ laboratory - A testbed for the MIUS /Modular Integrated Utility System/ program (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: The MIUS (Modular Integrated Utility System) concept is to be an energy-conserving, economically feasible, integrated community utility system to provide five necessary services: electricity generation, space heating and air conditioning, solid waste processing, liquid waste processing, and residential water purification. The MIST (MIUS Integration and Subsystem Test) integrated system testbed constructed at the Johnson Space Center in Houston includes subsystems for power generation, heating, ventilation, and air conditioning (HVAC), wastewater management, solid waste management, and control and monitoring. The key design issues under study include thermal integration and distribution techniques, thermal storage, integration of subsystems controls and displays, incinerator performance, effluent characteristics, and odor control.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: ASME PAPER 74-ENAS-44
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Space satellite power system (1974)
    In:  CASI
    Details
    Publication Date: 2019-07-27
    Description: The concept of a satellite solar power station was studied. It is shown that it offers the potential to meet a significant portion of future energy needs, is pollution free, and is sparing of irreplaceable earth resources. Solar energy is converted by photovoltaic solar cell arrays to dc energy which in turn is converted into microwave energy in a large active phased array. The microwave energy is beamed to earth with little attenuation and is converted back to dc energy on the earth. Economic factors are considered.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-142799
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Electrically rechargeable redox flow cells (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Considering the topographical and sizing requirements for a typical pumped water storage installation and the immergence of energy conversion schemes that are time-dependent as to their generating capability, a closer look is being given to nonpumped water storage schemes for storing electricity. An electrochemical bulk power storage concept, called a rechargeable redox flow cell, is described. This scheme, based on pumping a redox couple through a power conversion section, appears to offer high overall efficiency, no cycle life limitations for the electrodes, and deep discharge capability.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Intersociety Energy Conversion Engineering Conference; Aug 26, 1974 - Aug 30, 1974; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    Two-watt radioisotope power generators for underwater applications (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Materials and design considerations are discussed for a low-cost, reliable radio-isotope-fueled thermoelectric generator for use in an undersea application. Plutonium has been selected as fuel, and the generator has to meet design goals of 2 watts after 20 years with a direct output voltage of 6-8 volts. The pressed and sintered form of Bi2Te3 appears to be the most appropriate thermoelectric material. Both fibrous and multilayer foil insulation could be used with proper processing and quality control, but there is less risk with fibrous type insulation. Min-K 1400 is recommended with a nitrogen cover gas. The heat source recommended is a three-layer capsule using T-111 for both the liner and strength member with an outer liner of Hastelloy-C.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Intersociety Energy Conversion Engineering Conference; Aug 26, 1974 - Aug 30, 1974; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    The generation of hydrogen by the thermal decomposition of water (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Development of an approach to the evaluation of the thermal efficiency of the process of water splitting to produce hydrogen. A way of viewing thermochemical processes - both overall and step-by-step is suggested, and some recent work on a process evaluation technique is described which provides internal checks on the thermodynamic data and calculates, in addition to the efficiency, many important process parameters.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Intersociety Energy Conversion Engineering Conference; Aug 26, 1974 - Aug 30, 1974; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    A novel negative-limited sealed nickel-cadmium cell (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The use of negative-limited nickel-cadmium cells with adequate charge control is shown to provide an effective means for controlling internal pressure. Cycle test data show that negative-limited cells have somewhat higher ampere-hour degradation rates at higher operating temperatures. The most important advantages of these cells are: (1) lesser heat generation during operation; (2) longer separator life, as a result of operation at lower temperatures; (3) decreased stresses on cell seals due to lower operating pressures; and (4) significant weight savings.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Intersociety Energy Conversion Engineering Conference; Aug 26, 1974 - Aug 30, 1974; San Francisco, CA
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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