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  • Other Sources  (4)
  • NASA Technical Reports  (4)
  • ENERGY PRODUCTION AND CONVERSION  (4)
  • 2005-2009
  • 1990-1994
  • 1975-1979  (4)
  • 1955-1959
  • 1975  (4)
  • 1
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    Solar-assisted gas-energy water-heating feasibility for apartments (1975)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Studies of residential energy use, solar-energy technology for buildings, and the requirements for implementing technology in the housing industry led to a project to develop a solar water heater for apartments. A design study for a specific apartment was used to establish a solar water-heater cost model which is based on plumbing contractor bids and manufacturer estimates. The cost model was used to size the system to minimize the annualized cost of hot water. The annualized cost of solar-assisted gas-energy water heating is found to be less expensive than electric water heating but more expensive than gas water heating. The feasibility of a natural gas utility supplying the auxiliary fuel is evaluated. It is estimated that gas-utilizing companies will find it profitable to offer solar water heating as part of a total energy service option or on a lease basis when the price of new base-load supplies of natural gas reaches $2.50-$3.00 per million Btu.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Low cost silicon solar arrays (1975)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The economic production of silicon solar cell arrays circumvents p-n junction degradation by nuclear doping, in which the Si-30 transmutes to P-31 after thermal neutron capture. Also considered are chemical purity specifications for improved silicon bulk states, surface induced states, and surface states.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Proc. of the 1st ERDA Semiann. Solar Photovoltaic Conversion Program Conf.; p 56-103
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    A forecast of space technology. Part 4: Management of energy (1975)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Outlook for Space; 53 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Solar heating and cooling of buildings (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Solar energy has been used for space heating and water heating for many years. A less common application, although technically feasible, is solar cooling. This paper describes the techniques employed in the heating and cooling of buildings, and in water heating. The potential for solar energy to displace conventional energy sources is discussed. Water heating for new apartments appears to have some features which could make it a place to begin the resurgence of solar energy applications in the United States. A project to investigate apartment solar water heating, currently in the pilot plant construction phase, is described.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Energy Delta: Supply vs. demand; Energy Symposium; Feb 25, 1974 - Feb 27, 1974; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
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