Renew. Energy Environ. Sustain.
Volume 2, 2017
|Number of page(s)||6|
|Published online||15 February 2017|
Numerical analysis of latent heat storage system with encapsulated phase change material in spherical capsules
1 IMDEA Energy Institute, Ramón de la Sagra 3, 28935 Móstoles, Spain
2 University of Genoa, Genoa, Italy
⁎ e-mail: email@example.com
Solar energy has been considered as one of the promising solutions to replace the fossil fuels. To generate electricity beyond normal daylight hours, thermal energy storage systems (TES) play a vital role in concentrated solar power (CSP) plants. Thus, a significant focus has been given on the improvement of TES systems from the past few decades. In this study, a numerical model is developed to obtain the detailed heat transfer characteristics of lab-scale latent thermal energy storage system, which consists of molten salt encapsulated spherical capsules and air. The melting process and the corresponding temperature and velocity distributions in every capsule of the system are predicted. The enthalpy-porosity approach is used to model the phase change region. The model is validated with the reported experimental results. Influence of initial condition on the thermal performance of the TES system is predicted.
© S. Bellan et al., published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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