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CHARVÁT, P. KLIMEŠ, L. OSTRÝ, M.
Original Title
Numerical and experimental investigation of a PCM-based thermal storage unit for solar air systems
Type
journal article in Web of Science
Language
English
Original Abstract
A general problem of most solar thermal systems is the need for thermal storage in order to balance supply and demand of heat over a certain period of time. A possibility to employ latent heat of fusion in phase change materials (PCMs) for thermal energy storage in air-based solar thermal systems was investigated using laboratory experiments and numerical simulations. A heat storage unit containing 100 aluminium panels filled with a paraffin-based PCM was used in the investigations. The experiments were carried out in a lab environment with an electric air heater as a heat source. A numerical model of the unit was developed and implemented as a type in the TRNSYS 17 simulation tool. The results of the simulations with the developed model show a good agreement with experimental results. Subsequently, the model was used for a parametric study analysing the influence of certain parameters. The performed investigations showed a potential of the use of latent heat thermal storage in air-based thermal systems with a narrow temperature operation range.
Keywords
thermal storage, heat storage unit, latent heat, phase change materials, solar air systems
Authors
CHARVÁT, P.; KLIMEŠ, L.; OSTRÝ, M.
RIV year
2014
Released
6. 1. 2014
Publisher
Elsevier
Location
Švýcarská konfederace
ISBN
0378-7788
Periodical
ENERGY AND BUILDINGS
Year of study
68A
Number
1
State
Swiss Confederation
Pages from
488
Pages to
497
Pages count
10
BibTex
@article{BUT101888, author="Pavel {Charvát} and Lubomír {Klimeš} and Milan {Ostrý}", title="Numerical and experimental investigation of a PCM-based thermal storage unit for solar air systems", journal="ENERGY AND BUILDINGS", year="2014", volume="68A", number="1", pages="488--497", doi="10.1016/j.enbuild.2013.10.011", issn="0378-7788" }