Browsing by Author "Neramitr Chirakanphaisarn"

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    Performance of near-infrared reflective tile roofs
    (2013) Thadsanee Thongkanluang; Jantharat Wutisatwongkul; Neramitr Chirakanphaisarn; Artorn Pokaipisit
    A green pigments based on a Cr2O3-Al2O3-V2O5-TiO2 composition have been synthesized and the ability of these pigments used with ceramic glazes to confer high solar reflectance has also been studied. Cr2O3 is the host component and the adding mixtures of Al2O3, V2O5 and TiO2 as the guest components. The composition denoted by T1 composes of Cr2O3, TiO2, Al2O3 and V2O5 are 80, 4, 14 and 2 wt%, respectively, gives near infrared solar reflectance of 82.8%. T1 green pigments were prepared for ceramic cool tile roofs (denoted by T1 cool roof). The comparison study on the effectiveness of T1 ceramic cool roofs and a commercial ceramic cool tile roofs (denoted by C cool roof) show that the T1 cool roof has given a better result by keeping the tested room about 4 ¡C cooler. © (2013) Trans Tech Publications, Switzerland.