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.
- Advanced Energy Systems Division and Solar Energy Division
Experimental Investigation of Thermal Storage Processes in a Thermocline Storage Tank
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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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