Thermal analysis of including phase change material in a domestic hot water cylinder
Issue date
2011Suggested citation
Gracia Cuesta, Alvaro de;
Oró Prim, Eduard;
Farid, Mohammed M.;
Cabeza, Luisa F.;
.
(2011)
.
Thermal analysis of including phase change material in a domestic hot water cylinder.
Applied Thermal Engineering, 2011, vol. 31, num. 17-18, p. 3938-3945.
https://doi.org/10.1016/j.applthermaleng.2011.07.043.
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Show full item recordAbstract
The domestic electrical hot water cylinder used in this paper incorporates encapsulated phase change
material (PCM) placed in 57 vertical pipes. The use of PCM increases the thermal energy storage capacity
of the cylinder and allows the use of low cost electricity during low peak periods. The operational mode
of the system is based on heating the water and melting the phase change material during night. After
first discharge of hot water, the phase change material will transfer heat to the recently introduced cold
water and increase its temperature without using electricity. The already measured experimental data
prove the efficiency of the use of PCM in these systems and are used to validate a developed code for
numerical simulation using finite volume method. Following model validation a parametrical study was
carried out to optimize the PCM distribution inside the hot water cylinder.
Is part of
Applied Thermal Engineering, 2011, vol. 31, num. 17-18, p. 3938-3945European research projects
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