Novel exterior insulation finishing: Enhancing building energy efficiency and flame-retardancy through thermal storage and fire propagation prevention
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초록

Exterior insulation finishing systems (EIFSs) can efficiently promote energy efficiency of buildings. In this study, an EIFS with high thermal efficiency is presented to improve the insulation behavior of building enclosure. Based on heat transfer analysis results, energy simulations of buildings with fire spread prevention structures were performed. Results revealed that heat flow through the wall increased by 10.3 % when using a metal rail to fix the insulation; in contrast, using non-combustible phenolic foam reduces heat flow by 37.4 %, satisfying the requirement for fire spread prevention structures. Additionally, the energy consumption decreased by 8.8 % when both mineral wool and phenolic foam were applied. Fire spread prevention structures are essential to improve the fire safety performance of buildings. This external insulation system efficiently promote energy saving in building; additionally, leveraging a phase change material to improve the thermal storage performance of the building can reduce energy consumption by up to 11.9 %. © 2024 The Authors

키워드

Energy efficiencyExterior insulation finishingFire spread preventionHeat transferThermal insulationThermal storageCLADDING SYSTEMSPERFORMANCERETROFITSPREADWALLS
제목
Novel exterior insulation finishing: Enhancing building energy efficiency and flame-retardancy through thermal storage and fire propagation prevention
저자
Wi, SeunghwanKim, Young UkChang, Seong JinBerardi, UmbertoKim, Sumin
DOI
10.1016/j.csite.2024.104541
발행일
2024-07
유형
Article
저널명
Case Studies in Thermal Engineering
59