Complex multimaterial insulating frames for windows with evacuated glazing

Yueping Fang, PC Eames, Trevor Hyde, B Norton

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


The thermal performance of a complex multimaterial frame consisting of an exoskeleton framework and cavities filled with insulant materials enclosing an evacuated glazing was simulated using a two-dimensional finite element model and the results were validated experimentally using a guarded hot box calorimeter. The analysed 0.5 m by 0.5 m evacuated glazing consisted of two low-emittance film coated glass panes supported by an array of 0.32 mm diameter pillars spaced 25 mm apart, contiguously sealed by a 10 mm wide metal edge seal. Thermal performance of windows employing evacuated glazing set in various complex multimaterial frames were analysed in detail. Very good agreement was found between simulations and experimental measurements of surface temperatures of the evacuated glazing window system. The heat loss from a window with an evacuated glazing and a complex multimaterial frame is about 80% of that for a window comprised of an evacuated glazing set in a single material solid frame. (c) 2004 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)245-261
JournalSolar Energy
Issue number3
Publication statusPublished (in print/issue) - 2005


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