Limits of the cylindrical absorber design for a sodium receiver

Charles Alexis Asselineau*, William Logie, John Pye, Joe Coventry

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    5 Citations (Scopus)

    Abstract

    The applicability of the cylindrical arrangement of vertical tube banks is evaluated for liquid sodium concentrating solar thermal receivers and compared with a molten salt reference case through a series of parametric studies. It is shown that sodium receivers experience less thermo-elastic stress load and can operate under higher flux which presents advantages in terms of size reduction and efficiency. While the cylindrical receiver configuration cannot reach the efficiency target of 91% in a high temperature configuration (480 °C to 640 °C), there is potential to improve efficiency by improving heliostat field optics. Flux limitations due to thermo-elastic stresses are less stringent due for sodium receivers due to the better heat transfer properties, and consequently better heliostat field optics would benefit sodium receiver concepts more than molten salts ones.

    Original languageEnglish
    Title of host publicationSolarPACES 2017
    Subtitle of host publicationInternational Conference on Concentrating Solar Power and Chemical Energy Systems
    EditorsRodrigo Mancilla, Christoph Richter
    PublisherAmerican Institute of Physics Inc.
    ISBN (Electronic)9780735417571
    DOIs
    Publication statusPublished - 8 Nov 2018
    Event23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017 - Santiago, Chile
    Duration: 26 Sept 201729 Sept 2017

    Publication series

    NameAIP Conference Proceedings
    Volume2033
    ISSN (Print)0094-243X
    ISSN (Electronic)1551-7616

    Conference

    Conference23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017
    Country/TerritoryChile
    CitySantiago
    Period26/09/1729/09/17

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