Parametric study simulating the daily operation of a thermocline thermal storage system

M. M. Valmiki, Peiwen Li, Cholik Chan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This work considers a packed-bed thermocline for use as an energy storage device in solar thermal power generation. A preliminary sizing procedure of a thermocline system for a 50 MWe plant is demonstrated along with predicted transient performance under various conditions. The inlet fluid temperatures are modeled as constant or time-dependent. The time-varying inlet conditions represent solar insolation variations throughout the day which roughly take a periodic form. Sinusoidal and periodic functions based on recorded data supply this inlet condition. A constant inlet temperature can be produced by circulating the heat transfer fluid in the collection field. Both possibilities are explored and the performance is compared for various charging time allotments. The study uses an efficient, accurate numerical scheme which has been developed to model the transient behavior of a porous thermocline tank. The model can be a useful tool for thermocline heat storage sizing. This can help take guess work out of the early stages of the design process as many simulations can be run efficiently and accurately.

Original languageEnglish (US)
Title of host publicationASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology
PublisherAmerican Society of Mechanical Engineers
Pages1033-1040
Number of pages8
EditionPARTS A AND B
DOIs
StatePublished - 2012
EventASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology - San Diego, CA, United States
Duration: Jul 23 2012Jul 26 2012

Other

OtherASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology
CountryUnited States
CitySan Diego, CA
Period7/23/127/26/12

Fingerprint

Temperature distribution
Incident solar radiation
Heat storage
Fluids
Packed beds
Energy storage
Power generation
Heat transfer
Temperature
Hot Temperature

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

Cite this

Valmiki, M. M., Li, P., & Chan, C. (2012). Parametric study simulating the daily operation of a thermocline thermal storage system. In ASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology (PARTS A AND B ed., pp. 1033-1040). American Society of Mechanical Engineers. https://doi.org/10.1115/ES2012-91241

Parametric study simulating the daily operation of a thermocline thermal storage system. / Valmiki, M. M.; Li, Peiwen; Chan, Cholik.

ASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. PARTS A AND B. ed. American Society of Mechanical Engineers, 2012. p. 1033-1040.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Valmiki, MM, Li, P & Chan, C 2012, Parametric study simulating the daily operation of a thermocline thermal storage system. in ASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. PARTS A AND B edn, American Society of Mechanical Engineers, pp. 1033-1040, ASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology, San Diego, CA, United States, 7/23/12. https://doi.org/10.1115/ES2012-91241
Valmiki MM, Li P, Chan C. Parametric study simulating the daily operation of a thermocline thermal storage system. In ASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. PARTS A AND B ed. American Society of Mechanical Engineers. 2012. p. 1033-1040 https://doi.org/10.1115/ES2012-91241
Valmiki, M. M. ; Li, Peiwen ; Chan, Cholik. / Parametric study simulating the daily operation of a thermocline thermal storage system. ASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. PARTS A AND B. ed. American Society of Mechanical Engineers, 2012. pp. 1033-1040
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