Ultra-refractory diboride ceramics for solar plant receivers (Contributo in atti di convegno)

Type
Label
  • Ultra-refractory diboride ceramics for solar plant receivers (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.egypro.2014.03.050 (literal)
Alternative label
  • Mercatelli, L.; Sani, E.; Jafrancesco, D.; Sansoni, P.; Fontani, D.; Meucci, M.; Coraggia, S.; Marconi, L.; Sans, J. -L.; Beche, E.; Silvestroni, L.; Sciti, D. (2014)
    Ultra-refractory diboride ceramics for solar plant receivers
    in International Conference of the SolarPACES, Las Vegas, NE, SEP 17-20, 2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mercatelli, L.; Sani, E.; Jafrancesco, D.; Sansoni, P.; Fontani, D.; Meucci, M.; Coraggia, S.; Marconi, L.; Sans, J. -L.; Beche, E.; Silvestroni, L.; Sciti, D. (literal)
Pagina inizio
  • 468 (literal)
Pagina fine
  • 477 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84902299594&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 49 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 49 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-INO Istituto Nazionale di Ottica, Largo E. Fermi, 6, 50125 Firenze, Italy; PROMES-CNRS, Processes, Materials and Solar Energy Laboratory, 7 rue du Four Solaire, 66120 Font Romeu, France; CNR-ISTEC, Istituto di Scienza e Tecnologia dei Materiali Ceramici, Via Granarolo 64, 48018 Faenza, Italy (literal)
Titolo
  • Ultra-refractory diboride ceramics for solar plant receivers (literal)
Abstract
  • Concentrating Solar Power (CSP) is considered to be one of the most promising and sustainable technologies for electricity production in the future, and as efficiency of solar thermal systems rapidly increases with increasing working temperature, the big challenge for future is to develop novel solutions for solar receivers. In this framework, Ultra-High Temperature Ceramics (UHTCs) are mainly studied as thermal protection materials for aerospace and military applications, but their peculiar properties (very high melting points and good thermo-mechanical properties at high temperatures) can be advantageously exploited to increase the operating temperature of thermodynamic solar plants in concentrating solar power systems. This work is devoted to the study and characterization of the spectral reflectance of hafnium and zirconium diborides containing MoSi2 as secondary phase in order to evaluate their potential as novel solar absorbers. To assess the spectral selectivity properties, room-temperature hemispherical reflectance spectra were measured from the UV wavelength region to the mid-infrared, considering different levels of porosity for each system, in order to understand how porosity affect spectral reflectance. Moreover, for zirconium diboride and hafnium diboride composites containing 10vol% of MoSi2 sintering aid, the thermal emittance was measured in the 1100-1400K temperature range in PROMES-CNRS solar furnace. Data obtained were compared with spectral characteristics and high temperature emittance of a monolithic silicon carbide. (C) 2013 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (literal)
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