Sand-based Thermal Storage for Building Heating Applications: A District Energy Case Study
This paper presents a new open-source modeling package in the Modelica language for particle-based silica-sand thermal energy storage (TES) in heating applications, available athttps://github.com/sbslab/modelica-sand. Silica sand is an abundant, low-cost, and efficient storage medium for concentrated solar power and electricity generation. Although uncommon today, solid particle TES could benefit building and district heating systems, particularly as building electrification and renewable energy penetration increases. To enable heating system design and evaluation with sand TES, this work developed and open-source released Modelica models from base classes through complete systems with both physical equipment and controls. This paper first presents the new models. Then, we demonstrate their application with a heating plant that supplies steam for district heating while also providing power-to-heat grid services by storing excesses renewable electricity as thermal energy.
Proceedings of the 15th International Modelica Conference 2023, Aachen, October 9-11
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Work Title | Sand-based Thermal Storage for Building Heating Applications: A District Energy Case Study |
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License | In Copyright (Rights Reserved) |
Work Type | Conference Proceeding |
Publication Date | December 22, 2023 |
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Deposited | May 10, 2024 |
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