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Electrical Engineering and Systems Science > Systems and Control

arXiv:2402.02597 (eess)
[Submitted on 4 Feb 2024 (v1), last revised 6 Feb 2024 (this version, v2)]

Title:Efficient simulation strategy for PCM-based cold-energy storage systems

Authors:G. Bejarano, M. Vargas, M. G. Ortega, F.Castaño, J. E. Normey-Rico
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Abstract:This paper proposes a computationally efficient simulation strategy for cold thermal energy storage (TES) systems based on phase change material (PCM). Taking as a starting point the recent design of a TES system based on PCM, designed to complement a vapour-compression refrigeration plant, the new highly efficient modelling strategy is described and its performance is compared against the pre-existing one. The need for a new computationally efficient approach comes from the fact that, in the near future, such a TES model is intended to be used in combination with the model of the own mother refrigeration plant, in order to address efficient, long-term energy management strategies, where computation time will become a major issue. Comparative simulations show that the proposed computationally efficient strategy reduces the simulation time to a small fraction of the original figure (from around 1/30th till around 1/120th, depending on the particular choice of the main sampling interval), at the expense of affordable inaccuracy in terms of the PCM charge ratio.
Comments: 36 pages, 14 figures. Postprint of the final published work
Subjects: Systems and Control (eess.SY)
Cite as: arXiv:2402.02597 [eess.SY]
  (or arXiv:2402.02597v2 [eess.SY] for this version)
  https://doi.org/10.48550/arXiv.2402.02597
Journal reference: Applied Thermal Engineering (2018), 139, 419-431
Related DOI: https://doi.org/10.1016/j.applthermaleng.2018.05.008

Submission history

From: Guillermo Bejarano [view email]
[v1] Sun, 4 Feb 2024 20:11:07 UTC (7,988 KB)
[v2] Tue, 6 Feb 2024 16:10:57 UTC (6,682 KB)
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