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

研究成果: Article査読

12 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)81-89
ページ数9
ジャーナルJournal of Quantitative Spectroscopy and Radiative Transfer
149
DOI
出版ステータスPublished - 2014 12

ASJC Scopus subject areas

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

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