Spatio-Temporal Thermal Performance and Signal Characterization of an Interlocking Alumina Brick Energy Storage System for Steam Power Generation
DOI:
https://doi.org/10.29284/821c7943Keywords:
.Abstract
This paper presents a rigorous thermal performance analysis of a 5.83 MWh alumina-based Thermal Energy Storage System (TESS) designed for a 400 kW steam turbine application. Utilizing a unique interlocking tongue-and-groove brick geometry (236 bricks per layer), the system operates at a peak temperature of 1300°C. We detail the commissioning ramp-up schedule implemented to ensure the longevity of the heating elements and maintain alumina structural integrity. A numerical simulation, utilizing X-Y coordinate mapping of the brick core, was performed to evaluate heat transfer efficiency. Results indicate a discharge efficiency of 42.5% and demonstrate the effectiveness of a 50 mm Fiberfrax expansion joint in preventing thermal bypass. This work contributes a novel dataset on thermal signal stability in refractory storage systems, providing a framework for optimizing high-temperature power cycles.
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This work is licensed under a Creative Commons Attribution 4.0 International License.
This work is licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
