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Thermal Insulating Polymer-Air Multilayer for Window Energy Efficiency
- Publication Year :
- 2020
- Publisher :
- arXiv, 2020.
-
Abstract
- Polymer-air multilayer (PAM) was developed to decrease the heat loss through window glass panes. A PAM consists of a few polymer films separated from each other by air gaps. Thanks to the excellent optical properties of the polymer films, the visual transmittance of PAM is higher than 70%, and the haze is less than 2%. PAM not only has mechanisms to reduce the conductive and convective heat transfer, but also can obstruct the radiative heat transfer. With a 4~6 mm thick PAM coating, the U-factor of a glass pane can be lowered from above 1 Btu/{{h}{ft}^2{{\deg}F}} to 0.5~0.6 Btu/{{h}{ft}^2{{\deg}F}} .PAM is resilient and robust, relevant to the window retrofitting applications.<br />Comment: 21 pages, 7 figures
- Subjects :
- FOS: Physical sciences
Physics - Applied Physics
Applied Physics (physics.app-ph)
Subjects
Details
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....903fb3e119fcde7eddcb7bfc6c836d31
- Full Text :
- https://doi.org/10.48550/arxiv.2005.14395