Elevating low-emissivity film for lower thermal transmittance

Rui Kou, Ying Zhong, Jeongmin Kim, Qingyang Wang, Meng Wang, Renkun Chen, Yu Qiao

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

To minimize the heat loss through single-pane windows, we investigate the effects of elevating low-emissivity (low-e) film from glass pane. With an insulating air gap, not only heat conduction but also radiative thermal transfer can be suppressed. The thermal transmittance is reduced from 5~7 W/(m 2 K) to less than 2.8 W/(m 2 K). The water condensation resistance is enhanced. The visual transmittance and haze are satisfactory. The structural resilience of the hollow structure is excellent.

Original languageEnglish
Pages (from-to)69-77
Number of pages9
JournalEnergy and Buildings
Volume193
DOIs
StatePublished - 15 Jun 2019

Bibliographical note

Publisher Copyright:
© 2019

Keywords

  • Low-emissivity film
  • Thermal insulation
  • Window energy

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