Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 45, Issue 11, Pages 16728-16740Publisher
WILEY
DOI: 10.1002/er.6918
Keywords
building insulation; energy management; heat storage; phase change material; thermal comfort active wall
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Funding
- PARS grant from the Hassan II Academy of Sciences and Technology, Morocco
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This study investigates the effect of incorporating PCM into a building's wall on indoor air temperature through experimental and numerical analysis. The results show that PCM can delay heat transfer through the wall and reduce peak indoor air temperature. The numerical simulation highlights the importance of studying factors such as position, type, and layer thickness before incorporating PCM.
This paper deals with an experimental and numerical study of the effect of PCM incorporation into a building's wall on indoor air temperature. The macro-encapsulated PCM was integrated into the vertical wall of a laboratory test cell. Another test cell that lacks the PCM was considered the reference. Measurement of the air temperature inside the test cells shows the PCM role to delay heat transfer through the wall as well as to decrease the indoor air temperature peak. Furthermore, a numerical model was built and experimentally calibrated and validated. Numerical simulation results show that many factors should be studied before the incorporation of the PCM, mainly its position, type and layer thickness. Compared to insulation materials used in building, PCM can be used as smart insulation material due to its low thermal conductivity and as a phase shifter leading to a passive temperature control.
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