A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Annual Thermal Evaluation of Lightweight Building Envelopes Containing Phase Change Materials in Changsha
Integrating phase change materials (PCMs) into building envelopes is a promising way to reduce building energy consumption and to improve indoor thermal comfort. This paper analyzed the thermal performance of building envelopes containing PCMs under full weather condition in a hot summer and cold winter region. Two identical houses located in Changsha were built, experimented, and simulated. In the absence of HVAC in summer, installing XPS-PCM next to the wall interior surface reduced the average indoor air temperature by 1.1 °C during office hours. Moreover, the peak load was delayed by 1 h and shifted out of the office hours. The energy use intensity (EUI) in summer and whole year was reduced by 21.9% (29.7 kWh/m2) and 8.6% (22.0 kWh/m2), compared to a wall without PCMs, respectively. In winter, the XPS-PCM position has less impact on the indoor thermal comfort. It is recommended to install the XPS-PCM board next to the wall interior surface with a night ventilation of 20 ACH.
Annual Thermal Evaluation of Lightweight Building Envelopes Containing Phase Change Materials in Changsha
Integrating phase change materials (PCMs) into building envelopes is a promising way to reduce building energy consumption and to improve indoor thermal comfort. This paper analyzed the thermal performance of building envelopes containing PCMs under full weather condition in a hot summer and cold winter region. Two identical houses located in Changsha were built, experimented, and simulated. In the absence of HVAC in summer, installing XPS-PCM next to the wall interior surface reduced the average indoor air temperature by 1.1 °C during office hours. Moreover, the peak load was delayed by 1 h and shifted out of the office hours. The energy use intensity (EUI) in summer and whole year was reduced by 21.9% (29.7 kWh/m2) and 8.6% (22.0 kWh/m2), compared to a wall without PCMs, respectively. In winter, the XPS-PCM position has less impact on the indoor thermal comfort. It is recommended to install the XPS-PCM board next to the wall interior surface with a night ventilation of 20 ACH.
Annual Thermal Evaluation of Lightweight Building Envelopes Containing Phase Change Materials in Changsha
Environ Sci Eng
Wang, Zhaojun (editor) / Zhu, Yingxin (editor) / Wang, Fang (editor) / Wang, Peng (editor) / Shen, Chao (editor) / Liu, Jing (editor) / Sun, Xiaoqin (author) / Fan, Siyuan (author) / Chu, Youhong (author) / Mo, Yajing (author)
The International Symposium on Heating, Ventilation and Air Conditioning ; 2019 ; Harbin, China
2020-03-20
10 pages
Article/Chapter (Book)
Electronic Resource
English
Building performance , Phase change material , Heat flux , Energy use intensity Engineering , Building Physics, HVAC , Sustainable Architecture/Green Buildings , Atmospheric Protection/Air Quality Control/Air Pollution , Renewable and Green Energy , Energy Storage , Monitoring/Environmental Analysis , Earth and Environmental Science
Thermal performance analysis of lightweight phase change envelopes
| Elsevier | 2024
Climate applicability study of building envelopes containing phase change materials
| BASE | 2019
Slotted lightweight steel sections for thermal improvement of building envelopes
| Wiley | 2023