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Low emittance coatings and the thermal performance of vacuum glazing

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Fang, Yueping, Eames, Philip C., Norton, Brian, Hyde, Trevor, Zhao, Junfu, Wang, Jinlei and Huang, Ye (2007) Low emittance coatings and the thermal performance of vacuum glazing. SOLAR ENERGY, 81 (1). pp. 8-12. [Journal article]

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DOI: 10.1016/j.solener.2006.06.011

Abstract

The thermal performances of vacuum glazings employing coatings with emittance between 0.02 and 0.16 were simulated using a three-dimensional finite volume model. Physical samples of vacuum glazings with hard and soft coatings with emittance of 0.04, 0.12 and 0.16 were fabricated and their thermal performance characterised experimentally using a guarded hot box calorimeter. Good agreement was found between experimental and theoretical thermal performances for both a vacuum glazing with a soft coating (emittance 0.04) and those with hard coatings (emittance 0.12 and 0.16). Simulations showed that for a low value of emittance (e.g. 0.02), the use of two low-emittance coatings gives limited improvement in thermal performance of the glazing system. The use of a single high performance low-emittance coating in a vacuum glazing has been shown to provide excellent performance. (c) 2006 Elsevier Ltd. All rights reserved.

Item Type:Journal article
Faculties and Schools:Faculty of Art, Design and the Built Environment
Faculty of Art, Design and the Built Environment > School of the Built Environment
Research Institutes and Groups:Built Environment Research Institute
Built Environment Research Institute > Centre for Sustainable Technologies (CST)
ID Code:10092
Deposited By:Dr Trevor Hyde
Deposited On:29 Jan 2010 14:23
Last Modified:28 Jan 2014 13:47

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