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  • ENERGY PRODUCTION AND CONVERSION  (3)
  • EARTH RESOURCES AND REMOTE SENSING  (2)
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  • 1
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    Cost benefit analysis of the transfer of NASA remote sensing technology to the state of Georgia (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. First order benefits can generally be quantified, thus allowing quantitative comparisons of candidate land cover data systems. A meaningful dollar evaluation of LANDSAT can be made by a cost comparison with equally effective data systems. Users of LANDSAT data can be usefully categorized as performing three general functions: planning, permitting, and enforcing. The value of LANDSAT data to the State of Georgia is most sensitive to the parameters: discount rate, digitization cost, and photo acquisition cost. Under a constrained budget, LANDSAT could provide digitized land cover information roughly seven times more frequently than could otherwise be obtained. Thus on one hand, while the services derived from LANDSAT data in comparison to the baseline system has a positive net present value, on the other hand if the budget were constrained, more frequent information could be provided using the LANDSAT system than otherwise be obtained.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E78-10076 , NASA-CR-151615
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Benefit-cost methodology study with example application of the use of wind generators (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An example application for cost-benefit methodology is presented for the use of wind generators. The approach adopted for the example application consisted of the following activities: (1) surveying of the available wind data and wind power system information, (2) developing models which quantitatively described wind distributions, wind power systems, and cost-benefit differences between conventional systems and wind power systems, and (3) applying the cost-benefit methodology to compare a conventional electrical energy generation system with systems which included wind power generators. Wind speed distribution data were obtained from sites throughout the contiguous United States and were used to compute plant factor contours shown on an annual and seasonal basis. Plant factor values (ratio of average output power to rated power) are found to be as high as 0.6 (on an annual average basis) in portions of the central U. S. and in sections of the New England coastal area. Two types of wind power systems were selected for the application of the cost-benefit methodology. A cost-benefit model was designed and implemented on a computer to establish a practical tool for studying the relative costs and benefits of wind power systems under a variety of conditions and to efficiently and effectively perform associated sensitivity analyses.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-134864 , A-1645
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Cost benefit assessment of NASA remote sensing technology transferred to the State of Georgia (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The benefits involved in the transfer of NASA remote sensing technology to eight Georgia state agencies are identified in quantifiable and qualitative terms, and a value for these benefits is computed by means of an effectiveness analysis. The benefits of the transfer are evaluated by contrasting a baseline scenario without Landsat and an alternative scenario with Landsat. The net present value of the Landsat technology being transferred is estimated at 9.5 million dollars. The estimated value of the transfer is most sensitive to discount rate, the cost of photo acquisition, and the cost of data digitalization. It is estimated that, if the budget is constrained, Landsat could provide data products roughly seven times more frequently than would otherwise be possible.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: SOUTHEASTCON ''78; Proceedings of the Southeast Region 3 Conference; Apr 10, 1978 - Apr 12, 1978; Atlanta, GA
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    An impact analysis of a micro wind system (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: A process for the recovery of steel mill stack dust has been developed and is being used to recover secondary metals by a small company in Georgia. The process is energy intensive and wind generators were studied as a means of supplying energy for part of the recovery process. Some of the results of this study will be presented.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Modeling and simulation. Volume 6; April 24, 25, 1975; Pittsburgh, PA
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Macro analysis of the potential for fuel savings using wind generators in a utility power grid (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Modeling and simulation. Volume 6; April 24, 25, 1975; Pittsburgh, PA
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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