Fabrication and characterization of triple vacuum glazing at low temperature using an indium-based seal

Farid Arya, Yueping Fang, Trevor Hyde

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

Abstract

Triple vacuum glazing (TVG) is a new generation of thermally insulating windows which consists of three glass sheets with two vacuum gaps hermetically sealed together around the edges. A high level of thermal insulation is achieved by evacuating the spaces between the glass sheets to a very low pressure; the low pressure greatly reduces conduction and convection within the space, therefore heat transfer through vacuum glazing is significantly lower when compared with double or triple glazing with an inert gas fill. The separation of the sheets which would otherwise touch under the influence of atmospheric pressure is maintained by an array of small support pillars. Triple vacuum glazing samples were fabricated at low temperature using an indium edge seal; a pump-out system enabled a high level of vacuum to be achieved between the panes. The TVG samples fabricated in this study comprised three, 4 mm thick 400 mm by 400 mm glass panes with low-emittance coatings separated by an array of stainless steel support pillars spaced at 25 mm with a diameter of 0.4 mm and a height of 0.15 mm. The thermal performance of the TVG samples were characterized using a guarded hotbox calorimeter and theoretically analyzed using a finite volume model. The experimentally determined thermal performance of the fabricated glazing was in good agreement with that predicted theoretically.
LanguageEnglish
Title of host publicationUnknown Host Publication
Place of PublicationUSA
Pages521-524
Number of pages4
Publication statusPublished - Jul 2012
EventThe Energy & Materials Research Conference (EMR2012) Malaga Spain 20-22 June 2012 - Malaga Spain
Duration: 1 Jul 2012 → …

Conference

ConferenceThe Energy & Materials Research Conference (EMR2012) Malaga Spain 20-22 June 2012
Period1/07/12 → …

Fingerprint

indium
vacuum
fabrication
glass
low pressure
evacuating
thermal insulation
touch
emittance
calorimeters
stainless steels
rare gases
atmospheric pressure
convection
heat transfer
pumps
coatings
conduction

Cite this

Arya, F., Fang, Y., & Hyde, T. (2012). Fabrication and characterization of triple vacuum glazing at low temperature using an indium-based seal. In Unknown Host Publication (pp. 521-524). USA.
Arya, Farid ; Fang, Yueping ; Hyde, Trevor. / Fabrication and characterization of triple vacuum glazing at low temperature using an indium-based seal. Unknown Host Publication. USA, 2012. pp. 521-524
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title = "Fabrication and characterization of triple vacuum glazing at low temperature using an indium-based seal",
abstract = "Triple vacuum glazing (TVG) is a new generation of thermally insulating windows which consists of three glass sheets with two vacuum gaps hermetically sealed together around the edges. A high level of thermal insulation is achieved by evacuating the spaces between the glass sheets to a very low pressure; the low pressure greatly reduces conduction and convection within the space, therefore heat transfer through vacuum glazing is significantly lower when compared with double or triple glazing with an inert gas fill. The separation of the sheets which would otherwise touch under the influence of atmospheric pressure is maintained by an array of small support pillars. Triple vacuum glazing samples were fabricated at low temperature using an indium edge seal; a pump-out system enabled a high level of vacuum to be achieved between the panes. The TVG samples fabricated in this study comprised three, 4 mm thick 400 mm by 400 mm glass panes with low-emittance coatings separated by an array of stainless steel support pillars spaced at 25 mm with a diameter of 0.4 mm and a height of 0.15 mm. The thermal performance of the TVG samples were characterized using a guarded hotbox calorimeter and theoretically analyzed using a finite volume model. The experimentally determined thermal performance of the fabricated glazing was in good agreement with that predicted theoretically.",
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Arya, F, Fang, Y & Hyde, T 2012, Fabrication and characterization of triple vacuum glazing at low temperature using an indium-based seal. in Unknown Host Publication. USA, pp. 521-524, The Energy & Materials Research Conference (EMR2012) Malaga Spain 20-22 June 2012, 1/07/12.

Fabrication and characterization of triple vacuum glazing at low temperature using an indium-based seal. / Arya, Farid; Fang, Yueping; Hyde, Trevor.

Unknown Host Publication. USA, 2012. p. 521-524.

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

TY - GEN

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AU - Hyde, Trevor

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AB - Triple vacuum glazing (TVG) is a new generation of thermally insulating windows which consists of three glass sheets with two vacuum gaps hermetically sealed together around the edges. A high level of thermal insulation is achieved by evacuating the spaces between the glass sheets to a very low pressure; the low pressure greatly reduces conduction and convection within the space, therefore heat transfer through vacuum glazing is significantly lower when compared with double or triple glazing with an inert gas fill. The separation of the sheets which would otherwise touch under the influence of atmospheric pressure is maintained by an array of small support pillars. Triple vacuum glazing samples were fabricated at low temperature using an indium edge seal; a pump-out system enabled a high level of vacuum to be achieved between the panes. The TVG samples fabricated in this study comprised three, 4 mm thick 400 mm by 400 mm glass panes with low-emittance coatings separated by an array of stainless steel support pillars spaced at 25 mm with a diameter of 0.4 mm and a height of 0.15 mm. The thermal performance of the TVG samples were characterized using a guarded hotbox calorimeter and theoretically analyzed using a finite volume model. The experimentally determined thermal performance of the fabricated glazing was in good agreement with that predicted theoretically.

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