Emissivity measurements in materials for solar thermal energy storage

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PDF (Euskara)
Published 25-11-2018
DOI https://doi.org/10.1387/ekaia.19721
Telmo Echániz Iñigo González de Arrieta Raquel Fuente Irene Urcelay-Olabarria Gabriel Alejandro López Josu Mirena Igartua

Abstract

Infrared emissivity is a thermophysical property of materials which determines their capability to emit thermal radiation. Emissivity measurements are essential for calculating and minimizing thermal losses by radiation in many technological elds, such as solar energy and thermal storage. Accurate emissivity measurements performed with a singular equipment at the UPV/EHU are presented in the case of a eutectic ternary alloy (Mg-47%Zn-4%Al), which is a candidate for solar thermal-energy storage systems.
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Keywords

Emissivity, thermal energy, energy storage, infrared spectroscopy

Issue
No. 34 (2018): EKAIA 34
Section
Ale Arrunta
(C) UPV/EHU Press
 
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