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Energies 2015, 8(2), 1487-1504; doi:10.3390/en8021487

A Study on the Variation of Heating and Cooling Load According to the Use of Horizontal Shading and Venetian Blinds in Office Buildings in Korea

1
Department of Architectural Engineering, Graduate School of Yeungnam University, Gyeongsan 712-749, Korea
2
Department of Architectural Engineering, Inha University, Incheon 151-402, Korea
3
Korea Institute of Energy Research, Daejeon 305-343, Korea
4
School of Architecture, Yeungnam University, Gyeongsan 712-749, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Vincenzo Dovì
Received: 23 November 2014 / Accepted: 4 February 2015 / Published: 16 February 2015
(This article belongs to the Special Issue Energy Policy and Climate Change)
View Full-Text   |   Download PDF [1638 KB, uploaded 17 March 2015]   |  

Abstract

The construction industry has made considerable energy-saving efforts in buildings, and studies of energy-savings are ongoing. Shading is used to control the solar radiation transferred through windows. Many studies have examined the position and type of shading in different countries, but few have investigated the effects of shading installation in Korea. In this study, the case of the shading installation according to the standard of Korea, and variations of the heating and cooling load in the unit area on the performance of the windows were examined. This study compared the variations of the heating and cooling load in the case of horizontal shading and the changing position of venetian blinds. This study confirmed that horizontal shading longer than the standard length in Korea saved a maximum of 13% energy consumption. This study confirmed the point of change of energy consumption by the Solar Heat Gain Coefficient (SHGC) variations. The exterior venetian blinds and those between glazing were unaffected by the SHGC. On the other hand, in the case of a south façade, the interior venetian blinds resulted in 24% higher energy consumption than the installation of horizontal shading in case of Window to Wall Ratio (WWR): 80%, U-value: 2.1 and SHGC: 0.4. View Full-Text
Keywords: Window to Wall Ratio (WWR); window; horizontal shading; venetian blind; office buildings Window to Wall Ratio (WWR); window; horizontal shading; venetian blind; office buildings
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kim, S.-H.; Shin, K.-J.; Choi, B.-E.; Jo, J.-H.; Cho, S.; Cho, Y.-H. A Study on the Variation of Heating and Cooling Load According to the Use of Horizontal Shading and Venetian Blinds in Office Buildings in Korea. Energies 2015, 8, 1487-1504.

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