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  • 1
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    Test results of an organic Rankine-cycle power module for a small community solar thermal power experiment (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The organic Rankine-cycle (ORC) power conversion assembly was tested. Qualification testing of the electrical transport subsystem was also completed. Test objectives were to verify compatibility of all system elements with emphasis on control of the power conversion assembly, to evaluate the performance and efficiency of the components, and to validate operating procedures. After 34 hours of power generation under a wide range of conditions, the net module efficiency exceeded 18% after accounting for all parasitic losses.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-175696 , DOE/JPL-1060-83 , JPL-9950-995 , NAS 1.26:175696 , SCSE-023
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    A dish-Stirling solar-thermal power system (1980)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: This paper presents results of a preliminary design/economic study of a first-generation point focusing distributed receiver solar-thermal electric system optimized for application to industrial and small community power plants at power levels up to 10 MWe. Power conversion is provided by small Stirling cycle engines mounted at the focus of paraboloidal solar concentrators. The output of multiple power modules (concentrator, receiver, engine, and electric generator) is collected by means of a conventional electrical system and interfaced with a utility grid. Based on the United Stirling P-75 engine, a 1 MWe system employing mass-produced components (100,000 modules/year) could produce electricity at costs competitive with those projected for electricity generated by more conventional means, e.g. with fossil fuels.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: International Journal of Ambient Energy; 1; July 198
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Phase 1 of the First Solar Small Power System Experiment (experimental System No. 1). Volume 2: Appendix A - D (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Recommended conceptual designs for the baseline solar concentrator and electrical subsystems are defined, and trade offs that were evaluated to arrive at the baseline systems are presented. In addition, the developmental history of the Stirling engine is reviewed, the U4 configuration is described, and a Stirling engine heat pipe system is evaluated for solar application where sodium vapor is used as the heat source. An organic Rankine cycle engine is also evaluated for solar small power system application.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-162370 , U-6529-VOL-2
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Phase 1 of the First Solar Small Power System Experiment (experimental System No. 1). Volume 3: Appendix E - N (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The design of a solar electric power plant for a small community is reported. Topics covered include: (1) control configurations and interface requirements for the baseline power system; (2) annual small power system output; (3) energy requirements for operation of the collectors and control building; (4) life cycle costs and reliability predictions; (5) thermal conductivities and costs of receiver insulation materials; (6) transient thermal modelling for the baseline receiver/thermal transport system under normal and inclement operating conditions; (7) high temperature use of sodium; (8) shading in a field of parabolic collectors; and (9) buffer storage materials.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-162371 , U-6529-VOL-3
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Phase 1 of the First Solar Small Power System Experiment (experimental System No. 1). Volume 1: Technical Studies for Solar Point-focusing, Distributed Collector System, with Energy Conversion at the Collector, Category C (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The technical and economic feasibility of a solar electric power plant for a small community is evaluated and specific system designs for development and demonstration are selected. All systems investigated are defined as point focusing, distributed receiver concepts, with energy conversion at the collector. The preferred system is comprised of multiple parabolic dish concentrators employing Stirling cycle engines for power conversion. The engine, AC generator, cavity receiver, and integral sodium pool boiler/heat transport system are combined in a single package and mounted at the focus of each concentrator. The output of each concentrator is collected by a conventional electrical distribution system which permits grid-connected or stand-alone operation, depending on the storage system selected.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-162369 , U-6529-VOL-1
    Format: application/pdf
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