Development of seasonal heat storage based on stable supercooling of a sodium acetate water mixture

Publication: Research - peer-reviewConference article – Annual report year: 2012

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Development of seasonal heat storage based on stable supercooling of a sodium acetate water mixture. / Furbo, Simon; Fan, Jianhua; Andersen, Elsa; Chen, Ziqian; Perers, Bengt.

In: Energy Procedia, Vol. 30, 2012, p. 260-269.

Publication: Research - peer-reviewConference article – Annual report year: 2012

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@article{bac30b104c0d4ff4bad371a63ffed08f,
title = "Development of seasonal heat storage based on stable supercooling of a sodium acetate water mixture",
abstract = "A number of heat storage modules for seasonal heat storages based on stable supercooling of a sodium acetate water mixture have been tested by means of experiments in a heat storage test facility. The modules had different volumes and designs. Further, different methods were used to transfer heat to and from the sodium acetate water mixture in the modules.By means of the experiments:• The heat exchange capacity rates to and from the sodium acetate water mixture in the heat storage modules were determined for different volume flow rates.• The heat content of the heat storage modules were determined.• The reliability of the supercooling was elucidated for the heat storage modules for different operation conditions.• The reliability of a cooling method used to start solidification of the supercooled sodium acetate water mixture was elucidated. The method is making use of boiling CO2 in a small tank in good thermal contact with the outer surface of the heat storage module.• Experience on operation of the heat storage modules was gained.Based on the investigations recommendations for future development of a seasonal heat storage based on stable supercooling of a sodium acetate water mixture are given.",
keywords = "PCM, Sodium acetate, Supercooling, Seasonal heat storage, Heat storage modules, Laboratory tests",
author = "Simon Furbo and Jianhua Fan and Elsa Andersen and Ziqian Chen and Bengt Perers",
year = "2012",
doi = "10.1016/j.egypro.2012.11.031",
volume = "30",
pages = "260--269",
journal = "Energy Procedia",
issn = "1876-6102",
publisher = "Elsevier BV",

}

RIS

TY - CONF

T1 - Development of seasonal heat storage based on stable supercooling of a sodium acetate water mixture

AU - Furbo,Simon

AU - Fan,Jianhua

AU - Andersen,Elsa

AU - Chen,Ziqian

AU - Perers,Bengt

PY - 2012

Y1 - 2012

N2 - A number of heat storage modules for seasonal heat storages based on stable supercooling of a sodium acetate water mixture have been tested by means of experiments in a heat storage test facility. The modules had different volumes and designs. Further, different methods were used to transfer heat to and from the sodium acetate water mixture in the modules.By means of the experiments:• The heat exchange capacity rates to and from the sodium acetate water mixture in the heat storage modules were determined for different volume flow rates.• The heat content of the heat storage modules were determined.• The reliability of the supercooling was elucidated for the heat storage modules for different operation conditions.• The reliability of a cooling method used to start solidification of the supercooled sodium acetate water mixture was elucidated. The method is making use of boiling CO2 in a small tank in good thermal contact with the outer surface of the heat storage module.• Experience on operation of the heat storage modules was gained.Based on the investigations recommendations for future development of a seasonal heat storage based on stable supercooling of a sodium acetate water mixture are given.

AB - A number of heat storage modules for seasonal heat storages based on stable supercooling of a sodium acetate water mixture have been tested by means of experiments in a heat storage test facility. The modules had different volumes and designs. Further, different methods were used to transfer heat to and from the sodium acetate water mixture in the modules.By means of the experiments:• The heat exchange capacity rates to and from the sodium acetate water mixture in the heat storage modules were determined for different volume flow rates.• The heat content of the heat storage modules were determined.• The reliability of the supercooling was elucidated for the heat storage modules for different operation conditions.• The reliability of a cooling method used to start solidification of the supercooled sodium acetate water mixture was elucidated. The method is making use of boiling CO2 in a small tank in good thermal contact with the outer surface of the heat storage module.• Experience on operation of the heat storage modules was gained.Based on the investigations recommendations for future development of a seasonal heat storage based on stable supercooling of a sodium acetate water mixture are given.

KW - PCM

KW - Sodium acetate

KW - Supercooling

KW - Seasonal heat storage

KW - Heat storage modules

KW - Laboratory tests

U2 - 10.1016/j.egypro.2012.11.031

DO - 10.1016/j.egypro.2012.11.031

M3 - Conference article

VL - 30

SP - 260

EP - 269

JO - Energy Procedia

T2 - Energy Procedia

JF - Energy Procedia

SN - 1876-6102

ER -