Thermodynamic study of a LiBr–H2O absorption process for solar heat storage with crystallisation of the solution

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Thermodynamic study of a LiBr–H2O absorption process for solar heat storage with crystallisation of the solution. / N'Tsoukpoe, Kokouvi Edem; Perier-Muzet, Maxime; Le Pierres, Nolwenn et al.
In: Solar Energy, Vol. 104, 06.2014, p. 2-15.

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N'Tsoukpoe KE, Perier-Muzet M, Le Pierres N, Luo L, Mangin D. Thermodynamic study of a LiBr–H2O absorption process for solar heat storage with crystallisation of the solution. Solar Energy. 2014 Jun;104:2-15. doi: 10.1016/j.solener.2013.07.024

Bibtex

@article{25064b2b330a4876a1ad17fefc5b3f8c,
title = "Thermodynamic study of a LiBr–H2O absorption process for solar heat storage with crystallisation of the solution",
abstract = "A heat storage process by absorption is studied in this paper. It is devoted to solar domestic systems. Energy and exergy studies are performed on the ideal cycle, and prove the contribution of the solution crystallisation to the system storage density, with an improvement of 22%, without degradation of the exergetic efficiency of the process. A prototype has been built and tested in conditions compatible with domestic solar thermal collectors. The process has been proved successful for heat storage. The heat charging was more efficient than the discharging phase, with respective heat transferred in the range of 1–2 kW and 0.3–0.5 kW, in typical solar domestic conditions. Crystallisation has been observed, and will increase the storage density but discrepancies were found between the ideal solution and the global prototype crystallisation behaviour, possibly due to some impurities presence, corrosion products and a slow dissolution kinetic.",
keywords = "Energy research, absorption, crystallisation, heat storage, lithium bromide/water",
author = "N'Tsoukpoe, {Kokouvi Edem} and Maxime Perier-Muzet and {Le Pierres}, Nolwenn and Lingai Luo and Denis Mangin",
year = "2014",
month = jun,
doi = "10.1016/j.solener.2013.07.024",
language = "English",
volume = "104",
pages = "2--15",
journal = "Solar Energy",
issn = "0038-092X",
publisher = "Elsevier Science B.V.",

}

RIS

TY - JOUR

T1 - Thermodynamic study of a LiBr–H2O absorption process for solar heat storage with crystallisation of the solution

AU - N'Tsoukpoe, Kokouvi Edem

AU - Perier-Muzet, Maxime

AU - Le Pierres, Nolwenn

AU - Luo, Lingai

AU - Mangin, Denis

PY - 2014/6

Y1 - 2014/6

N2 - A heat storage process by absorption is studied in this paper. It is devoted to solar domestic systems. Energy and exergy studies are performed on the ideal cycle, and prove the contribution of the solution crystallisation to the system storage density, with an improvement of 22%, without degradation of the exergetic efficiency of the process. A prototype has been built and tested in conditions compatible with domestic solar thermal collectors. The process has been proved successful for heat storage. The heat charging was more efficient than the discharging phase, with respective heat transferred in the range of 1–2 kW and 0.3–0.5 kW, in typical solar domestic conditions. Crystallisation has been observed, and will increase the storage density but discrepancies were found between the ideal solution and the global prototype crystallisation behaviour, possibly due to some impurities presence, corrosion products and a slow dissolution kinetic.

AB - A heat storage process by absorption is studied in this paper. It is devoted to solar domestic systems. Energy and exergy studies are performed on the ideal cycle, and prove the contribution of the solution crystallisation to the system storage density, with an improvement of 22%, without degradation of the exergetic efficiency of the process. A prototype has been built and tested in conditions compatible with domestic solar thermal collectors. The process has been proved successful for heat storage. The heat charging was more efficient than the discharging phase, with respective heat transferred in the range of 1–2 kW and 0.3–0.5 kW, in typical solar domestic conditions. Crystallisation has been observed, and will increase the storage density but discrepancies were found between the ideal solution and the global prototype crystallisation behaviour, possibly due to some impurities presence, corrosion products and a slow dissolution kinetic.

KW - Energy research

KW - absorption

KW - crystallisation

KW - heat storage

KW - lithium bromide/water

UR - http://www.scopus.com/inward/record.url?scp=84899491223&partnerID=8YFLogxK

U2 - 10.1016/j.solener.2013.07.024

DO - 10.1016/j.solener.2013.07.024

M3 - Journal articles

VL - 104

SP - 2

EP - 15

JO - Solar Energy

JF - Solar Energy

SN - 0038-092X

ER -