Iranian Chemical Engineering Journal

Iranian Chemical Engineering Journal

Fabrication and Assessment of Vacuum Panel with Aerogel Core and Enhancement its Thermal Performance by Adding Radiation Opacifiers and Reflectors

Document Type : Original Article

Authors
1 Assistant Professor of Chemical Engineering, University of Zanjan
2 MSc. Student of Chemical Engineering, University of Zanjan
Abstract
Upgrading the building components of vacuum panel insulation enhances superior thermal properties in them. In this article, by making a vacuum panel with an aerogel core, the effect of radiation reflective layers and matting agents on the heat transfer coefficient of the panel has been investigated. Vacuum panels were made with aerogel blanket, aerogel blanket with multi-layer aluminum foil, aerogel blanket containing powder matting and panel containing blanket with foil and matting at the same time. The power loss of the samples was measured and compared by a power meter. Creating a vacuum and adding an aluminum reflective layer and an active carbon matting additive to the insulating panel under vacuum led to a decrease in the aerogel blanket heat transfer coefficient from 0.022 to 0.0127 W/m.K in a vacuum of 15 millitorr.
In general, the results showed that creating a normal vacuum in the panel and the use of aerogel blanket and reflector layer and Activated carbon and ironoxide matting materials composite as the central material of the panel causes a 40% reduction in the heat transfer of the insulation panel compared to the aerogel blanket in atmospheric pressure.
Keywords
Subjects

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