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Thermal stratification in hot storage-tanks

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  • Kandari, Abdullah M.

Abstract

This experimental investigation was conducted as a support activity for the development at Sulaibiyah, which has a 22m3 stratified tank to act as a buffer reservoir between the paraboloid-dish solar collector and the toluence turbine energy-conversion device. The results show that the disturbed zone is 1500 mm thick (i.e. nearly 30% of usable tank height). Based on these results, an experimental model (1/25th scale by volume) was constructed to study the effect of using improved disbributor header geometry and a settling mesh for reducing the buffer-zone thickness. Using the new header configuration, extraction efficiencies of 85% could be achieved.

Suggested Citation

  • Kandari, Abdullah M., 1990. "Thermal stratification in hot storage-tanks," Applied Energy, Elsevier, vol. 35(4), pages 299-315.
    • Handle: RePEc:eee:appene:v:35:y:1990:i:4:p:299-315
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    Cited by:

    1. Majumdar, Rudrodip & Saha, Sandip K. & Singh, Suneet, 2018. "Evaluation of transient characteristics of medium temperature solar thermal systems utilizing thermal stratification," Applied Energy, Elsevier, vol. 224(C), pages 69-85.
    2. Streckiene, Giedre & Martinaitis, Vytautas & Andersen, Anders N. & Katz, Jonas, 2009. "Feasibility of CHP-plants with thermal stores in the German spot market," Applied Energy, Elsevier, vol. 86(11), pages 2308-2316, November.
    3. Majumdar, Rudrodip & Saha, Sandip K., 2019. "Effect of varying extent of PCM capsule filling on thermal stratification performance of a storage tank," Energy, Elsevier, vol. 178(C), pages 1-20.
    4. Sezai, I. & Aldabbagh, L.B.Y. & Atikol, U. & Hacisevki, H., 2005. "Performance improvement by using dual heaters in a storage-type domestic electric water-heater," Applied Energy, Elsevier, vol. 81(3), pages 291-305, July.
    5. Atikol, U. & Aldabbagh, L.B.Y., 2015. "The impact of two-stage discharging on the exergoeconomic performance of a storage-type domestic water-heater," Energy, Elsevier, vol. 83(C), pages 379-386.

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