Spreadsheet tools to estimate the thermal transmittance and thermal conductivities of gas spaces of an Insulated Glazing Unit
Name:
DGU.xlsm
Embargo:
2214-03-31
Size:
61.20Kb
Format:
application/vnd.ms-excel.sheet.macroEnabled.12
Request:
Additional file 1
Name:
TGU.xlsm
Embargo:
2214-03-31
Size:
68.40Kb
Format:
application/vnd.ms-excel.sheet.macroEnabled.12
Request:
Additional file 2
Affiliation
Anglia Ruskin University, Anglia Ruskin University, Anglia Ruskin University, University of Chester, Glazing VisionPublication Date
2014-03-31
Metadata
Show full item recordAbstract
An Insulated Glazing unit (IGU) is constructed with two or more layers of glass panes sealed together by gas spaces in-between. IGUs are prevalent in windows, doors and rooflights, primarily due to their improved thermal resistance. Today, most IGUs are either two or three layered. Adding further layers of glass improves thermal insulation but with the penalty of increased cost and weight. Low emissivity (Low-e) film coatings, when deposited on the glass panes, reduce long-wavelength radiative heat losses. Furthermore, filling the gas spaces with the inert gases (e.g. Argon, Krypton, Xenon and SF6), further reduce conduction and natural convection across the gap. In summary, higher thermal insulation performance of an IGU can be achieved with gas fillings and Low-e coatings on glass. This report discusses spreadsheets that have been developed, capable of estimating the thermal transmittance values of IGU, as per BS EN 673. The spreadsheet tools also have the ability to estimate the thermal conductivity of the gas spaces between the panes of IGU.Citation
Nammi, S.K., Shirvani, H., Shirvani, A., Edwards, G. & Dunn, J. (2014). Spreadsheet tools to estimate the thermal transmittance and thermal conductivities of gas spaces of an Insulated Glazing Unit. Cambridge; Chelmsford: Anglia Ruskin University.Publisher
Anglia Ruskin Research OnlineAdditional Links
http://arro.anglia.ac.uk/313715/Type
OtherLanguage
enISBN
9780956560872Collections
The following license files are associated with this item:
- Creative Commons
Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-nd/4.0/