Eguzki-energia termikoa metatzeko materialetako emisibitate-esperimentuak

  1. Telmo Echániz
  2. Iñigo González de Arrieta
  3. Raquel Fuente
  4. Irene Urcelay-Olabarria
  5. Gabriel Alejandro López
  6. Josu Mirena Igartua
Revista:
Ekaia: Euskal Herriko Unibertsitateko zientzi eta teknologi aldizkaria

ISSN: 0214-9001

Any de publicació: 2018

Número: 34

Pàgines: 199-210

Tipus: Article

DOI: 10.1387/EKAIA.19721 DIALNET GOOGLE SCHOLAR lock_openAccés obert editor

Altres publicacions en: Ekaia: Euskal Herriko Unibertsitateko zientzi eta teknologi aldizkaria

Resum

Infrared emissivity is a thermophysical property of materials which deter-mines their capability to emit thermal radiation. Emissivity measurements are essential for calculating and minimizing thermal losses by radiation in many technological fields, 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-en-ergy storage systems.