WFRF:(Niklasson Gunnar 1953 )
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- Engfeldt, Johnny D.ChromoGenics AB, Uppsala (author)
Glazing for Energy Efficient Buildings: The Almost Forgotten Role of Angular-Dependent Solar Transmittance
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- 2019-08-23
- Society of Vacuum Coaters,2019
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-395338
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-395338URI
- https://doi.org/10.14332/svc19.proc.0018DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- Glazing for energy efficient buildings comprises multi-pane units with surface coated glass. According to today’s standards, glazing is characterized by optical measurements at normal light incidence. Here we show that this prerequisite is grossly inadequate for common vertical glazing, in particular regarding solar transmittance and total energy transmittance (g-value). We present data on spectral and angular-dependent transmittance in the 300–2500-nm wavelength range for several types of glass samples with hard (tin-oxide-based) and soft (silver-based) coatings. Furthermore, we use standard procedures to compute g-values for triple-pane glazing embodying such glass and find that the g-value at 60° off-normal angle typically is as low as 65–68% of the g-value for normal incidence. This difference is essential for assessing the energy efficiency of modern buildings and highlights that the glazing’s angularity must be accounted for.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Husbyggnad hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering Building Technologies hsv//eng
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- Teknisk fysik med inriktning mot fasta tillståndets fysik
- Engineering Science with specialization in Solid State Physics
Added entries (persons, corporate bodies, meetings, titles ...)
- Gregard, GregerChromoGenics AB, Uppsala (author)
- Niklasson, Gunnar,1953-Uppsala universitet,Fasta tillståndets fysik(Swepub:uu)gni26208 (author)
- Roos, ArneUppsala universitet,Fasta tillståndets fysik(Swepub:uu)arneroos (author)
- Granqvist, Claes Göran,1946-Uppsala universitet,Fasta tillståndets fysik(Swepub:uu)cgr25299 (author)
- ChromoGenics AB, UppsalaFasta tillståndets fysik (creator_code:org_t)
Related titles
- In:Society of Vacuum Coaters 2019 Technical Conference Proceedings: Society of Vacuum Coaters
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