Control of thermal barrier performance by optimized nanoparticle size and experimental evaluation using a solar simulator

Hiroki Gonome, Mehdi Baneshi, Junnosuke Okajima, Atsuki Komiya, Noboru Yamada, Shigenao Maruyama

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

An experimental investigation to evaluate the radiative properties of a selectively transparent thin coating on a substrate of a different material has been performed in order to evaluate its thermal behavior for applications where a low temperature at the surface exposed to the sun is desired. Copper (II) oxide (CuO) micro-particles have been used to create a pigmented coating on a paper substrate. The particle volume fraction and size have been optimized by the theoretical methodology. The spectral reflectance was measured using spectroscopy in the visible (VIS) and near-infrared (NIR) regions. The spectral emissivity was evaluated from the reflectance in IR region. The temperatures of the designed coatings and typical black paints are measured in a solar simulator. The temperature measurement was simulated by numerical analysis. The temperature of CuO coating on standard white paper was 10. °C lower than the ones of typical black paint while keeping the desired dark tone.

Original languageEnglish
Pages (from-to)81-89
Number of pages9
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume149
DOIs
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

solar simulators
Simulators
Nanoparticles
coatings
Coatings
nanoparticles
evaluation
paints
Paint
spectral reflectance
Copper oxides
Substrates
emissivity
Temperature measurement
Sun
Temperature
numerical analysis
temperature measurement
Numerical analysis
Volume fraction

Keywords

  • Cool coating
  • Radiative heat transfer
  • Radiative spectral control
  • Temperature measurement

ASJC Scopus subject areas

  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Radiation

Cite this

Control of thermal barrier performance by optimized nanoparticle size and experimental evaluation using a solar simulator. / Gonome, Hiroki; Baneshi, Mehdi; Okajima, Junnosuke; Komiya, Atsuki; Yamada, Noboru; Maruyama, Shigenao.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 149, 2014, p. 81-89.

Research output: Contribution to journalArticle

Gonome, Hiroki ; Baneshi, Mehdi ; Okajima, Junnosuke ; Komiya, Atsuki ; Yamada, Noboru ; Maruyama, Shigenao. / Control of thermal barrier performance by optimized nanoparticle size and experimental evaluation using a solar simulator. In: Journal of Quantitative Spectroscopy and Radiative Transfer. 2014 ; Vol. 149. pp. 81-89.
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