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Thermophysical characterization of Mg–51%Zn eutectic metal alloy: A phase change material for thermal energy storage in direct steam generation applications
Ist Teil von
Energy (Oxford), 2014-08, Vol.72, p.414-420
Ort / Verlag
Kidlington: Elsevier Ltd
Erscheinungsjahr
2014
Link zum Volltext
Quelle
Elsevier ScienceDirect Journals
Beschreibungen/Notizen
The possibility of using magnesium based eutectic metal alloys as phase change material (PCM) for thermal energy storage (TES) in concentrated solar power (CSP) applications is analysed. An extensive thermophysical characterization of the Mg–51%Zn eutectic metal alloy between room temperature and melting temperature has been performed. The results are compared with some available data in the literature, and differences found are discussed. A comparison with pure, binary and ternary inorganic salts used as PCM is presented highlighting the advantages and disadvantages of the different systems. This alloy is proposed not only as a candidate for latent heat thermal energy storage for direct steam generation (DSG) in CSP applications but for high pressure and high energy steam processes as well. Reported data are essential for ensuing modelling and experimental reactor studies employing this alloy as a PCM for TES.
•Storage material for direct steam generation applications.•Metal alloy as PCM with high thermal conductivity.•Thermal energy storage for high pressure and high energy steam processes.