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논문 기본 정보

자료유형
학술저널
저자정보
김승철 (Hanbat National Univ) 윤종호 (Hanbat National Univ.) 신우철 (Daejeon Univ) 안정혁 (Eagon window & door)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.16 No.3(Wn.79)
발행연도
2016.6
수록면
121 - 128 (8page)

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초록· 키워드

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Purpose: The vacuum glazing should constantly retain the gap in vacuum state to maintain high thermal performance. To do so, pillars are used to prevent the glazing from clinging to each other by the atmospheric pressure and therefore surface of the vacuum glazing is consistently affected by residual stress. The vacuum glazing could be applied to curtain wall systems at spandrel area to fulfill a rigorous domestic standard on U-value of the external wall. However, this can lead to high glazing temperature increase by heat concentration at a back panel and finally thermal stress breakage. This study experimentally determined weakness of the vacuum glazing systems on the thermal stress breakage and investigated effect of the residual stress. Method: The experiment first built two scale-down mock-up facilities that replicate the spandrel area in curtain wall, and then installed single low-e glass and vacuum glazing respectively. The two mock-up facilities were exposed to outside to induce the thermal stress breakage. Result: The experiment showed that the temperature occurred the thermal stress breakage was 114.4℃ for the single low-e glass and 118.9℃ for the vacuum glazing respectively. The result also showed the vacuum glazing reached the critical point earlier than the single low-e glass, which means that the vacuum glazing has high potential to occur the thermal shock breakage. In addition, the small temperature difference between two glazing indicates that the residual stress scarcely affects breakage of the vacuum glazing.

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ABSTRACT
1. 서론
2. 이론고찰
3. 실험장치 및 개요
4. 비교 실험
5. 결론
Reference

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