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논문 기본 정보

자료유형
학술저널
저자정보
Jeong, Jinsoo (Kookmin Univ) Lee, Heangwoo (Kookmin Univ) Seo, Janghoo (Kookmin Univ) Kim, Yongseong (Kookmin Univ)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.17 No.3(Wn.85)
발행연도
2017.6
수록면
5 - 13 (9page)

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초록· 키워드

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Purpose: Various studies have been performed to address the issue of increased energy use by buildings. In particular, research on complex envelopes that combines diverse envelope element techniques is currently in progress in the building sector. The present study aimed to develop an awning system using a light shelf, and to verify its validity through performance evaluation. Method: In the present study, a testbed was established for the performance evaluation of the awning system using a light shelf, and the uniformity ratio and lighting energy consumption were compared and analyzed relative to those with no awning and light shelf installation (Case 1), awning installation (Case 2), and light shelf installation (Case 3). Result: 1) In the present study, an awning system using a light shelf (Case 4) where an opening is made on the awning screen and natural light can be introduced through the light shelf located at the bottom was developed. 2) The optimum standard for Case 4 obtained through the performance evaluation was a 0.6m lighting length and a 2m extension length at a light shelf angle of 30°. 3) Case 4 with the optimum standard had a 5.5% lower uniformity ratio than Case 2, but had a higher uniformity ratio than Case 1 and Case 3. 4) Case 4 with the optimum standard showed 13.3%, 44.6%, and 0%~8.7% lighting energy reductions compared to Case 1, Case 2, and Case 3, respectively. 5) Based on the above results, Case 4 suggested in the present study was found to be effective for indoor light environment improvement and lighting energy reduction.

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ABSTRACT
1. Introduction
2. Concept of Awning and Light Shelf, performance evaluation related index review
3. Proposal of Light Shelf Built-in Awning System
4. Performance evaluation settings and results
5. Conclusion
Reference

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