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",
publisher = "Elsevier BV",
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",

}

RIS

TY - CONF

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

A1 - Furbo,Simon

A1 - Fan,Jianhua

A1 - Andersen,Elsa

A1 - Chen,Ziqian

A1 - Perers,Bengt

AU - Furbo,Simon

AU - Fan,Jianhua

AU - Andersen,Elsa

AU - Chen,Ziqian

AU - Perers,Bengt

PB - Elsevier BV

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.<br/><br/>By means of the experiments:<br/>• 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.<br/>• The heat content of the heat storage modules were determined.<br/>• The reliability of the supercooling was elucidated for the heat storage modules for different operation conditions.<br/>• 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<br/> surface of the heat storage module.<br/>• Experience on operation of the heat storage modules was gained.<br/><br/>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.<br/><br/>By means of the experiments:<br/>• 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.<br/>• The heat content of the heat storage modules were determined.<br/>• The reliability of the supercooling was elucidated for the heat storage modules for different operation conditions.<br/>• 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<br/> surface of the heat storage module.<br/>• Experience on operation of the heat storage modules was gained.<br/><br/>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

JO - Energy Procedia

JF - Energy Procedia

SN - 1876-6102

VL - 30

SP - 260

EP - 269

ER -