Thermal stratification in hot storage-tanks

Abdullah M. Kandari

Applied Energy, 1990, vol. 35, issue 4, 299-315

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.

Date: 1990
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