Method for monitoring stability within a solar pond salinity gradient

He Xu, Peter Golding, Andrew Swift

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

    2 Scopus citations

    Abstract

    In order to operate a salinity-gradient solar pond at high temperature differences between the surface and lower zones, one of the most important parameters to monitor and control is the 'stability' of the salinity gradient as a function of height or depth. The stability is a function of the ratio between local salinity gradient and local temperature gradient strengths and a limit can in theory be calculated for the salt or salts being used in the solar pond. This paper briefly reports work on stability calculations and monitoring experience at an operating solar pond in El Paso, Texas. One significant conclusion is the fact that salinity gradient breakdown in the El Paso solar pond, operating at relatively high temperature differences, typically between 50 to 70 °C, occurs at a stability ratio approximately 60 percent higher than that value predicted and validated in indoor laboratory experiments.

    Original languageEnglish
    Title of host publicationASME-JSES-JSME International Solar Energy Conference
    Pages75-82
    Number of pages8
    StatePublished - 1991
    EventSolar Engineering 1991 presented at the Second ASME-JSES-JSME International Solar Energy Conference - Reno, NV, USA
    Duration: Mar 17 1991Mar 22 1991

    Conference

    ConferenceSolar Engineering 1991 presented at the Second ASME-JSES-JSME International Solar Energy Conference
    CityReno, NV, USA
    Period03/17/9103/22/91

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