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Title: Thermal and daylighting performance of glass window using a newly developed transparent heat insulated coating
Authors: Zhang, W 
Lu, L 
Xu, X 
Keywords: Daylighting performance
Energy saving
Heat insulated coating
Solar heat gain
Issue Date: 2019
Publisher: Elsevier
Source: Energy procedia, 2019, v. 158, p. 1080-1085 How to cite?
Journal: Energy procedia 
Abstract: In subtropical Hong Kong, solar heat gain through glass windows contributes to a significant proportion of building cooling load. Therefore, in cooling dominated areas, the principal of window design includes both utilizing natural daylight and eliminating solar heat gain. In this study, a new heat insulated coating combined antimony-doped tin oxide (ATO) and cesium tungsten bronze (Cs0.33WO3) was developed. Based on measured properties of different glass samples, thermal and daylighting performance of different glass windows, including a clear glass window, a double-layer glass window, a low-e glass window and a coated glass window, were evaluated based on numerical simulation. Results indicate that the developed heat insulated coating can effectively reduce the solar heat gain while maintain the indoor daylighting illuminance at a high level. Up to 9.5% of building energy use can be saved if the coating is applied to south facing clear glass windows.
Description: 10th International Conference on Applied Energy, ICAE 2018, Hong Kong, 22-25 August 2018
EISSN: 1876-6102
DOI: 10.1016/j.egypro.2019.01.262
Rights: © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( Peer-review under responsibility of the scientific committee of ICAE2018 – The 10th International Conference on Applied Energy.
The following publication Zhang, W., Lu, L., & Xu, X. (2019). Thermal and daylighting performance of glass window using a newly developed transparent heat insulated coating. Energy Procedia, 158, 1080-1085 is available at
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