Assessment of Seasonal Energy Efficiency Strategies of a Double Skin Façade in a Monsoon Climate Region

Taehoon Hong, Jimin Kim, Juyoung Lee, Choongwan Koo and Hyo Seon Park
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Taehoon Hong: Department of Architectural Engineering, Yonsei University, Seoul 120-749, Korea
Jimin Kim: Department of Architectural Engineering, Yonsei University, Seoul 120-749, Korea
Juyoung Lee: Department of Architectural Engineering, Yonsei University, Seoul 120-749, Korea
Choongwan Koo: Department of Architectural Engineering, Yonsei University, Seoul 120-749, Korea
Hyo Seon Park: Department of Architectural Engineering, Yonsei University, Seoul 120-749, Korea

Energies, 2013, vol. 6, issue 9, 1-25

Abstract: As climate change and global warming have become two of the most significant environmental issues today, the double-skin façade (DSF) is getting considerable attention as an energy-efficient passive design. This study is aimed at assessing the seasonal energy efficiency strategies of a DSF targeting library facilities in the climate region with hot summers and cold winters. Toward this end, this study was conducted in four steps: (i) establishment of seasonal energy-efficient strategies; (ii) application of seasonal energy-efficient strategies; (iii) analysis of energy saving effect by season; and (iv) life cycle cost and life cycle CO 2 analyses for selecting an optimal DSF. Results show that a shaft box DSF energy model (EM S ) #2, which applied winter strategies, was optimal with an energy saving rate of 4.13%, while a multi-story DSF energy model (EM M ) #5, which applied summer strategies, was optimal with an energy saving rate of 12.67%. In terms of savings to investment ratio (SIR 40 ) and breakeven point (BEP 40 ), the multi-story DSF (3.20; 9 years) was superior. The results of this study can be used for (i) seasonal energy efficiency strategies of a DSF in East Asian monsoon climates, and (ii) as a guideline for the application of a DSF both in existing and new buildings.

Keywords: double skin façade (DSF); airflow operating method; thermal insulation; green wall; energy-saving effect; life cycle cost; life cycle CO 2; East Asian monsoon climate; library facility (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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