Abstract
This paper presents the results of experimental investigation on macro encapsulated phase change material (PCM) incorporated in concrete walls of room models in real conditions. The focus of this study was to evaluate the effect of positions (externally bonded, laminated within and internally bonded) of macro encapsulated PCM in concrete walls on indoor temperatures and humidity levels of room models. Experimental results indicated that PCM models could adjust the indoor temperature and humility levels, however, its effectiveness was found to be greatly dependent on the position of PCM in concrete walls. The model with PCM laminated within the concrete walls showed the best temperature control and was effective in reducing the maximum temperature by up to 4 C. Whereas, the model with PCM placed on the inner side of concrete walls showed the best humidity control and reduced the relative humidity by 16% more than the control model. Therefore, it can be concluded that PCM models are thermally efficient and by reducing the relative humidity they provide comfortable and healthy indoor environment. Moreover, it is shown that the application of PCM in public housing flat of Hong Kong is economically visible with a recovery period of 11 years.
| Original language | English |
|---|---|
| Pages (from-to) | 80-87 |
| Number of pages | 8 |
| Journal | Energy and Buildings |
| Volume | 71 |
| DOIs | |
| Publication status | Published - Mar 2014 |
| Externally published | Yes |
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Keywords
- Macro encapsulation
- Phase change material
- Relative humidity
- Temperature
- Thermal performance
ASJC Scopus subject areas
- Civil and Structural Engineering
- Building and Construction
- Mechanical Engineering
- Electrical and Electronic Engineering
Cite this
Experimental assessment of position of macro encapsulated phase change material in concrete walls on indoor temperatures and humidity levels. / Shi, Xian; Memon, Shazim Ali; Tang, Waiching; Cui, Hongzhi; Xing, Feng.
In: Energy and Buildings, Vol. 71, 03.2014, p. 80-87.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Experimental assessment of position of macro encapsulated phase change material in concrete walls on indoor temperatures and humidity levels
AU - Shi, Xian
AU - Memon, Shazim Ali
AU - Tang, Waiching
AU - Cui, Hongzhi
AU - Xing, Feng
PY - 2014/3
Y1 - 2014/3
N2 - This paper presents the results of experimental investigation on macro encapsulated phase change material (PCM) incorporated in concrete walls of room models in real conditions. The focus of this study was to evaluate the effect of positions (externally bonded, laminated within and internally bonded) of macro encapsulated PCM in concrete walls on indoor temperatures and humidity levels of room models. Experimental results indicated that PCM models could adjust the indoor temperature and humility levels, however, its effectiveness was found to be greatly dependent on the position of PCM in concrete walls. The model with PCM laminated within the concrete walls showed the best temperature control and was effective in reducing the maximum temperature by up to 4 C. Whereas, the model with PCM placed on the inner side of concrete walls showed the best humidity control and reduced the relative humidity by 16% more than the control model. Therefore, it can be concluded that PCM models are thermally efficient and by reducing the relative humidity they provide comfortable and healthy indoor environment. Moreover, it is shown that the application of PCM in public housing flat of Hong Kong is economically visible with a recovery period of 11 years.
AB - This paper presents the results of experimental investigation on macro encapsulated phase change material (PCM) incorporated in concrete walls of room models in real conditions. The focus of this study was to evaluate the effect of positions (externally bonded, laminated within and internally bonded) of macro encapsulated PCM in concrete walls on indoor temperatures and humidity levels of room models. Experimental results indicated that PCM models could adjust the indoor temperature and humility levels, however, its effectiveness was found to be greatly dependent on the position of PCM in concrete walls. The model with PCM laminated within the concrete walls showed the best temperature control and was effective in reducing the maximum temperature by up to 4 C. Whereas, the model with PCM placed on the inner side of concrete walls showed the best humidity control and reduced the relative humidity by 16% more than the control model. Therefore, it can be concluded that PCM models are thermally efficient and by reducing the relative humidity they provide comfortable and healthy indoor environment. Moreover, it is shown that the application of PCM in public housing flat of Hong Kong is economically visible with a recovery period of 11 years.
KW - Macro encapsulation
KW - Phase change material
KW - Relative humidity
KW - Temperature
KW - Thermal performance
UR - http://www.scopus.com/inward/record.url?scp=84891773297&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84891773297&partnerID=8YFLogxK
U2 - 10.1016/j.enbuild.2013.12.001
DO - 10.1016/j.enbuild.2013.12.001
M3 - Article
VL - 71
SP - 80
EP - 87
JO - Energy and Buildings
JF - Energy and Buildings
SN - 0378-7788
ER -