Lifecycle CO2 Reduction by Implementing Double Window Casement Systems in Residential Units in KoreaReportar como inadecuado




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1

Department of Architectural Engineering, Gyeongnam National University of Science and Technology, 33 Donjinro Jinju 660-758, Korea

2

Department of Architectural Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea





*

Authors to whom correspondence should be addressed.



Academic Editor: Chi-Ming Lai

Abstract This study investigated lifecycle CO2 LCCO2 emission reductions through application of double-window casement systems DWCS in residential units in Korea, compared with conventional single windows SWs. The DWCS is a double window system that is energy-efficient, reducing energy consumption during operation. However, this system incorporates increased embodied CO2 emissions. We evaluated LCCO2 reductions associated with use of the DWCS by calculating CO2 emissions during space conditioning as well as the embodied CO2 emissions of the DWCS. The results showed that use of DWCS in a residential unit during the cooling season had 26.2 and 27.4 t CO2 fewer emissions than SWs in the natural ventilation and minimum ventilation modes, respectively. Although implementation of DWCS is expected to substantially reduce LCCO2 emissions, the large embodied CO2 emissions of the aluminum frame reduce the benefits of the DWCS. View Full-Text

Keywords: double-window system; residential unit; lifecycle CO2; energy simulation double-window system; residential unit; lifecycle CO2; energy simulation





Autor: Chang Heon Cheong 1,* , Taeyeon Kim 2 and Seung-Bok Leigh 2,*

Fuente: http://mdpi.com/



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