Control of radiative properties of coatings pigmented with Fe 2O 3 nanoparticles

Hiroki Gonome, Mehdi Baneshi, Atsuki Komiya, Shigenao Maruyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This study describes nanoparticles pigmented coatings used in controlling the radiative properties of surfaces exposed to sunlight. An optimization method that embraces both thermal and aesthetic requirements has been proposed. The proposed coatings maximize the reflectivity of the near infrared (NIR) region to reduce thermal heating, while for aesthetic appeal they minimize the visible (VIS) reflected energy. This spectral behavior can be achieved by controlling the size and concentration of pigment particles and coating thickness. In this study, both experimental and numerical approaches are applied on Fe 2O 3 pigmented coating samples with 0.2 μm and 1 μm of average particle size and different particle concentrations and coating thicknesses. For numerical part the radiation analysis using the Radiation Element Method by Ray Emission Model (REM 2) in a one dimensional parallel plane model is conducted. From the numerical results, it is shown that the optimum size of Fe 2O 3 particles for our desired spectral behavior is about 0.8 μm. The experimental results also show that the samples made from 1 μm particles have better performance for our objective.

Original languageEnglish
Title of host publicationASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011
Publication statusPublished - 2011
Externally publishedYes
EventASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011 - Honolulu, HI
Duration: 2011 Mar 132011 Mar 17

Other

OtherASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011
CityHonolulu, HI
Period11/3/1311/3/17

Fingerprint

Nanoparticles
Coatings
Radiation
Pigments
Particle size
Infrared radiation
Heating
Hot Temperature

ASJC Scopus subject areas

  • Energy Engineering and Power Technology

Cite this

Gonome, H., Baneshi, M., Komiya, A., & Maruyama, S. (2011). Control of radiative properties of coatings pigmented with Fe 2O 3 nanoparticles. In ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011

Control of radiative properties of coatings pigmented with Fe 2O 3 nanoparticles. / Gonome, Hiroki; Baneshi, Mehdi; Komiya, Atsuki; Maruyama, Shigenao.

ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011. 2011.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gonome, H, Baneshi, M, Komiya, A & Maruyama, S 2011, Control of radiative properties of coatings pigmented with Fe 2O 3 nanoparticles. in ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011. ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011, Honolulu, HI, 11/3/13.
Gonome H, Baneshi M, Komiya A, Maruyama S. Control of radiative properties of coatings pigmented with Fe 2O 3 nanoparticles. In ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011. 2011
Gonome, Hiroki ; Baneshi, Mehdi ; Komiya, Atsuki ; Maruyama, Shigenao. / Control of radiative properties of coatings pigmented with Fe 2O 3 nanoparticles. ASME/JSME 2011 8th Thermal Engineering Joint Conference, AJTEC 2011. 2011.
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