Conference Editor
Jianshun Zhang; Edward Bogucz; Cliff Davidson; Elizabeth Krietmeyer
Keywords:
Phase change materials; PCMs wallboard; Diatomite; Insulation wallboard
Location
Syracuse, NY
Event Website
http://ibpc2018.org/
Start Date
25-9-2018 10:30 AM
End Date
25-9-2018 12:00 PM
Description
Two kinds of diatomite-based composite phase change materials (the phase change temperature was 35℃ and 42℃, respectively) were prepared by incorporating organic alcohol phase change materials into diatomite to form shape-stabilized composite PCMs. Then, diatomite-based phase change wallboards were fabricated, and the wallboards were attached to the exterior surface of the wall from a test small room to study the thermal performance. In this study, we investigated the effects on the wallboards location, the type of materials and the phase transition temperature on the thermal performance of the wallboards. It was found that comparing with the traditional polystyrene plastic insulation wallboard, the external surface temperature of the PCMs wallboards can be obviously lower than that of the traditional insulation wallboards due to thermal storage ability. But the thermal resistance of the PCMs wallboards was too small to reduce the indoor cooling load in summer comparing with the conventional polystyrene insulation wallboard. The suitable phase transition temperature for the PCMs wallboard was dependent on the orientation of the wall. At the same time, the optimal phase transition temperature is not just dependent on the outdoor meteorological conditions, but also relevant to the applied scenarios.
Recommended Citation
LI, Chaoen; YU, Hang; and Song, Yuan, "Preparation and Thermal Performance of Diatomite-Based Composite Phase Change Materials Wallboard" (2018). International Building Physics Conference 2018. 4.
DOI
https://doi.org/10.14305/ibpc.2018.be-8.04
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 4.0 International License.
Preparation and Thermal Performance of Diatomite-Based Composite Phase Change Materials Wallboard
Syracuse, NY
Two kinds of diatomite-based composite phase change materials (the phase change temperature was 35℃ and 42℃, respectively) were prepared by incorporating organic alcohol phase change materials into diatomite to form shape-stabilized composite PCMs. Then, diatomite-based phase change wallboards were fabricated, and the wallboards were attached to the exterior surface of the wall from a test small room to study the thermal performance. In this study, we investigated the effects on the wallboards location, the type of materials and the phase transition temperature on the thermal performance of the wallboards. It was found that comparing with the traditional polystyrene plastic insulation wallboard, the external surface temperature of the PCMs wallboards can be obviously lower than that of the traditional insulation wallboards due to thermal storage ability. But the thermal resistance of the PCMs wallboards was too small to reduce the indoor cooling load in summer comparing with the conventional polystyrene insulation wallboard. The suitable phase transition temperature for the PCMs wallboard was dependent on the orientation of the wall. At the same time, the optimal phase transition temperature is not just dependent on the outdoor meteorological conditions, but also relevant to the applied scenarios.
https://surface.syr.edu/ibpc/2018/BE8/4
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