Article | Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th – 27th, 2017 | Concrete thermal energy storage for steam generation: A numerical investigation
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Title:
Concrete thermal energy storage for steam generation: A numerical investigation
Author:
Shobhana Singh: Department of Energy Technology, Aalborg University, Aalborg, Denmark Kim Sørensen: Department of Energy Technology, Aalborg University, Aalborg, Denmark
DOI:
10.3384/ecp17138234
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Full text (pdf)
Year:
2017
Conference:
Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th – 27th, 2017
Issue:
138
Article no.:
032
Pages:
234-240
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2017-09-27
ISBN:
978-91-7685-417-4
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Establishing enhancement methods to develop cost-effective thermal energy storage technology requires a detailed analysis. In this paper, a numerical investigation of the concrete based thermal energy storage system is carried out. The storage system consists of a heat transfer fluid flowing inside the heat exchanger tubes embedded in a cylindrical shape concrete configuration. Three-dimensional multiphysics model of the storage system is developed to investigate transient conjugate heat transfer between the two mediums, the heat transfer fluid, and the concrete. The model comprehends the dynamics of storing thermal energy in the storage at the temperature range of 350??390 C. To evaluate the performance of the storage system using finned heat exchanger tubes, thermal characteristics such as charging/discharging time, energy, and exergy efficiency are predicted. The developed model satisfactorily demonstrates the dynamic behavior of the concrete based thermal storage system and its sub-processes, and thus offers a suitable framework for future investigations leading to an easier and more economical solution.

Keywords: Dynamic model, thermal energy storage system, heat transfer enhancement, energy and exergy efficiency

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th – 27th, 2017

Author:
Shobhana Singh, Kim Sørensen
Title:
Concrete thermal energy storage for steam generation: A numerical investigation
DOI:
http://dx.doi.org/10.3384/ecp17138234
References:
No references available

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th – 27th, 2017

Author:
Shobhana Singh, Kim Sørensen
Title:
Concrete thermal energy storage for steam generation: A numerical investigation
DOI:
http://dx.doi.org/10.3384/ecp17138234
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Last updated: 2017-02-21