Thermal performance of a room with a double glazing window using glazing available in Mexican market

J. O. Aguilar*, J. Xamán, Y. Olazo-Gómez, I. Hernández-López, G. Becerra, O. A. Jaramillo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

A thermal evaluation of a four configurations of double glass window (DGW) coupling to a room is presented. The DGW consists of two vertical semitransparent walls separated by a 12 mm air gap. The effect of varying the ambient temperature and the incident solar radiation in the warm climate conditions in México is analyzed. Numerical simulations were conducted for four configurations; Case 1: clear glass + air gap + clear glass (Reference); Case 2: clear glass + air gap + absorbent glass; Case 3: clear glass + air gap + Low-e glass; and Case 4: clear glass + air gap + reflective glass. Optical transmittance and specular reflectance were measured individually and in one sample piece for each case. The results showed that Case 4 reduces the heat flux to the indoors by up to 73%, with respect to Case 1. Moreover, Cases 2 and 3 had a similar behavior, obtaining a reduction of indoor heat flow close to 33.5% with respect to Case 1. Case 4 is the best option for energy savings in a warm climate, where it is possible to save up to $20.29 USD per kW h per year, in comparison to Case 1. In addition, the payback period for Case 4 is 3.7 years. Therefore, the use of reflective double pane window is highly recommended in Mexican warm climates.

Original languageEnglish
Pages (from-to)505-515
Number of pages11
JournalApplied Thermal Engineering
Volume119
DOIs
StatePublished - 1 Jan 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

  • Double pane window
  • Reversible window
  • Solar control
  • Transient analysis

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