Centre of Panel Thermal Conductivity Performance Analysis of Aerocor-Centrifugal Hybrid Ultrafine Glass Fiber VIP Core Materials

Abstract:

This paper includes analysis on the recent advancement of glass fiber core based vacuum insulation panels (VIPs) in China, including the experimental development of mixed ultrafine fiberglass prototype core material consisting of Centrifugal and Aerocor glass wool mixture at different ratios. Pore sizes exhibited by these prototypes generally range between 15-25μm. Extensive centre of panel thermal conductivity (K_cop) were performed from which thermal performance graphs were extracted and analyzed prudently. K_cop analysis verified superior performance of the prototypes over traditional glass fiber core samples, hinting greater service life. The study concludes that in order to optimize the long term performance of current industrial glass fiber core material reduction of pore size at less than 10μm range as well as reduction of x-z axis fiber orientation angle to less than 450 would potentially decrease core structural sensitivity towards both gaseous and solid conductivity at increase of internal pressure.

• Periodical: Advanced Materials Research (Volumes 1120-1121)
• Pages: 1511-1515
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.1511
• Online since: July 2015
• Authors: Ahmad Farooq*, Ali Abd El-Aty
• Keywords: Glass Fiber, Insulation Materials, Pore Size, Vacuum Insulation Panel

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