Abstract
According to a recent comprehensive study on window systems, windows account for approximately 60% of a building’s total energy loss. In this regard, much research is being conducted to reduce energy loss through windows, among them, vacuum glazing maximizes the insulation performance by sealing between two sheets of glass with a vacuum. In this study, proposes a novel strategy for fabricating vacuum glazing using microwave heating in vacuum pressure and direct glass edge sealing. By applying a process using microwaves, the energy used in the vacuum glazing fabrication process is minimized, and the structural strength of the vacuum glazing is improved by directly sealing the glass. In order to prevent arc discharge that can occur when microwaves are applied in vacuum pressure, microwave power was set as a variable, and heating experiments were conducted accordingly. The experiment enabled the analysis of the relationship between temperature and pressure change according to the power, and accordingly, a vacuum glass sample with direct sealing was fabricated. The fabricated vacuum glazing was tested for thermal transmittance (U-value) in single and double layers and confirmed to be 3.5 W/m2 K and 1.6 W/m2 K, respectively.
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JK: Conceptualization, Methodology, Experimentation, data Curation, Analysis, Validation, Writing-original draft preparation, Writing-review and editing; YS: Analysis, formatting, Writing-Review and Editing; ES Conceptualization, Methodology, Writing-review and editing, Supervision. All authors read and agreed upon the final version of the manuscript.
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Kim, J., Kim, Y. & Jeon, E. Analysis of Fabrication Process on Direct Edge Sealing with Microwave for Vacuum Glazing. Int. J. of Precis. Eng. and Manuf.-Green Tech. 11, 491–500 (2024). https://doi.org/10.1007/s40684-023-00571-y
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DOI: https://doi.org/10.1007/s40684-023-00571-y