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Energy Balance Data-Based Optimization of Louver Installation Angles for Different Regions in Korea

Author

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  • Seung-Ju Choe

    (Graduate School, Chonnam National University, Gwangju 61186, Republic of Korea)

  • Seung-Hoon Han

    (School of Architecture, Chonnam National University, Gwangju 61186, Republic of Korea)

Abstract

A louver is a traditional environmental control device and passive architectural element based on an ecofriendly concept. Louvers are architectural elements that can be used to regulate natural lighting, thermal environment, and building energy use. To realize these integrated functionalities of louvers, they must be designed considering the climate and geographical characteristics of the target region. However, these aspects are typically not considered during building design in Korea, resulting in lovers being used as design elements with simple natural lighting control functions. Therefore, the objective of this study was to promote the integrated use of louvers by optimizing the louver angle according to the microclimate in Korea from the viewpoint of thermal energy use. We performed load and energy simulation planning and calculation and conducted optimization studies for the louver angle and range of motion for each region. The energy consumption in central and southern Korean regions was minimized when the angles of the fixed louvers were 45°–75° and 60°–90°, respectively. Kinetic louvers could enhance thermal energy management when installed at 30°–75° in spring, 135°–165° in summer, 75°–165° in autumn, and 45°–75° in winter. These findings can promote the realization of integrated functionalities of louvers from the perspective of indoor environment comfort based on the microclimates of the Korean regions.

Suggested Citation

  • Seung-Ju Choe & Seung-Hoon Han, 2022. "Energy Balance Data-Based Optimization of Louver Installation Angles for Different Regions in Korea," Energies, MDPI, vol. 15(23), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:9214-:d:994153
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    References listed on IDEAS

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    1. Shenglin Bao & Simin Zou & Mingqiao Zhao & Qiuyu Chen & Baofeng Li, 2022. "Experimental Study on the Modular Vertical Greening Shading in Summer," IJERPH, MDPI, vol. 19(18), pages 1-15, September.
    2. Freewan, Ahmed A. & Shao, Li & Riffat, Saffa, 2009. "Interactions between louvers and ceiling geometry for maximum daylighting performance," Renewable Energy, Elsevier, vol. 34(1), pages 223-232.
    3. Datta, Gouri, 2001. "Effect of fixed horizontal louver shading devices on thermal perfomance of building by TRNSYS simulation," Renewable Energy, Elsevier, vol. 23(3), pages 497-507.
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