This paper presents an experimental study and analysis of the heat transfer of energy charge and discharge in a packed-bed thermocline thermal storage tank for application in concentrated solar thermal power plants. Because the energy storage efficiency is a function of many parameters including fluid and solid properties, tank dimensions, packing dimensions, and time lengths of charge and discharge, this paper aims to provide experimental data and a proper approach of data reduction and presentation. To accomplish this goal, dimensionless governing equations of energy conservation in the heat transfer fluid and solid packed-bed material are derived. The obtained experimental data will provide a basis for validation of mathematical models in the future.
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ASME 2011 5th International Conference on Energy Sustainability
August 7–10, 2011
Washington, DC, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-5468-6
PROCEEDINGS PAPER
Experimental Investigation of Thermal Storage Processes in a Thermocline Storage Tank
Wafaa Karaki,
Wafaa Karaki
The University of Arizona, Tucson, AZ
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Peiwen Li,
Peiwen Li
The University of Arizona, Tucson, AZ
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Jon Van Lew,
Jon Van Lew
The University of Arizona, Tucson, AZ
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M. M. Valmiki,
M. M. Valmiki
The University of Arizona, Tucson, AZ
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Cholik Chan,
Cholik Chan
The University of Arizona, Tucson, AZ
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Jake Stephens
Jake Stephens
US Solar Thermal Storage LLC, Tucson, AZ
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Wafaa Karaki
The University of Arizona, Tucson, AZ
Peiwen Li
The University of Arizona, Tucson, AZ
Jon Van Lew
The University of Arizona, Tucson, AZ
M. M. Valmiki
The University of Arizona, Tucson, AZ
Cholik Chan
The University of Arizona, Tucson, AZ
Jake Stephens
US Solar Thermal Storage LLC, Tucson, AZ
Paper No:
ES2011-54134, pp. 1389-1396; 8 pages
Published Online:
March 13, 2012
Citation
Karaki, W, Li, P, Van Lew, J, Valmiki, MM, Chan, C, & Stephens, J. "Experimental Investigation of Thermal Storage Processes in a Thermocline Storage Tank." Proceedings of the ASME 2011 5th International Conference on Energy Sustainability. ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C. Washington, DC, USA. August 7–10, 2011. pp. 1389-1396. ASME. https://doi.org/10.1115/ES2011-54134
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