Convection in underground oil caverns: The role of double diffusion

H. J.S. Fernando, C. Y. Ching, Z. Zhao, S. Pol, S. W. Webb

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

    Abstract

    The US Strategic Petroleum Reserve (SPR) stores oil in large underground salt caverns. This oil has compositional and thermal gradients induced by geothermal heating from both the bottom surface and side walls. Temperature layering has been recorded in SPR oil caverns, which is hypothesized to be predominantly due to double-diffusive layering that occurs when a stable compositional gradient is heated from below. Initial results of a laboratory experimental program aimed at studying dynamics of such double-diffusive layers in the context of SPR are described in this paper. Of particular interest are the thickness of converting layers, layer evolution (migration/merging) and conditions for the formation/non-formation of double-diffusive layers.

    Original languageEnglish
    Title of host publication2007 Proceedings of the ASME/JSME Thermal Engineering Summer Heat Transfer Conference - HT 2007
    Pages141-147
    Number of pages7
    DOIs
    StatePublished - 2007
    Event2007 ASME/JSME Thermal Engineering Summer Heat Transfer Conference, HT 2007 - Vancouver, BC, Canada
    Duration: Jul 8 2007Jul 12 2007

    Publication series

    Name2007 Proceedings of the ASME/JSME Thermal Engineering Summer Heat Transfer Conference - HT 2007
    Volume3

    Conference

    Conference2007 ASME/JSME Thermal Engineering Summer Heat Transfer Conference, HT 2007
    Country/TerritoryCanada
    CityVancouver, BC
    Period07/8/0707/12/07

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