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Changes in Sunlight and Outdoor Thermal Environment Conditions Based on the Layout Plan of Flat Type Apartment Houses

Author

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  • Sukjin Jung

    (Department of Architecture, Pusan National University, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Korea)

  • Seonghwan Yoon

    (Department of Architecture, Pusan National University, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Korea)

Abstract

Economic growths lead to population increases in large cities. This has brought about the growing necessity for apartment housing which has resulted in higher density populations living in high-rise apartment complexes. Therefore, the urban microclimate is aggravated due to the increasing ratio of artificial coverage and substandard daylight availability. To achieve a comfortable living environment and improve urban microclimates, a process considering the daylight availability and the outdoor thermal environment is required when designing apartment housing complexes. This study selected a total of 27 valid cases using an orthogonal array, L 27 (3 13 ) design of experiments (DOE). As a result of significance probability obtained in DOE analysis, the design factors that have an effect on the outdoor thermal environment and daylight availability were found to be building coverage ratio, distance between buildings, and azimuth. The rankings of the effect of design factors were shown to be in the order of azimuth > building coverage ratio > distance between buildings > floor area ratio > width/depth ratio. The surface temperature of the whole building decreased by 0.3 °C and Mean Radiant Temperature (MRT) decreased by 1.1 °C as a result of applying the greenery coverage ratio to apartment complexes. Heat Island Potential (HIP) also showed a decrease of 5.4 °C (at noon).

Suggested Citation

  • Sukjin Jung & Seonghwan Yoon, 2015. "Changes in Sunlight and Outdoor Thermal Environment Conditions Based on the Layout Plan of Flat Type Apartment Houses," Energies, MDPI, vol. 8(9), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:9:p:9155-9172:d:54856
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    References listed on IDEAS

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    1. He, Jiang & Hoyano, Akira & Asawa, Takashi, 2009. "A numerical simulation tool for predicting the impact of outdoor thermal environment on building energy performance," Applied Energy, Elsevier, vol. 86(9), pages 1596-1605, September.
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    Cited by:

    1. Youngsang Kwon & Youkang Seo & Jihyun Hwang, 2019. "Is the High-Density Housing Layout Affected by River Direction? Lessons from Seoul, South Korea," Sustainability, MDPI, vol. 11(11), pages 1-16, May.
    2. Sukjin Jung & Seonghwan Yoon, 2017. "Deduction of Optimum Surface Design Factors for Enhancement of Outdoor Thermal Environment in a Micro-Scale Unit," Sustainability, MDPI, vol. 9(8), pages 1-26, August.
    3. Judit Lopez-Besora & Glòria Serra-Coch & Helena Coch & Antonio Isalgue, 2016. "Daylight Management in Mediterranean Cities: When Shortage Is Not the Issue," Energies, MDPI, vol. 9(9), pages 1-12, September.
    4. Suk-jin Jung & Seong-hwan Yoon, 2018. "Study on the Prediction and Improvement of Indoor Natural Light and Outdoor Comfort in Apartment Complexes Using Daylight Factor and Physiologically Equivalent Temperature Indices," Energies, MDPI, vol. 11(7), pages 1-19, July.
    5. Hyungkyoo Kim & Kyung Sun Lee & Jae Seung Lee & Saewon Lee, 2018. "Exploring Outdoor Solar Potential in High-Density Living: Analyzing Direct Sunlight Duration for Urban Agriculture in Seoul’s Residential Complexes," Energies, MDPI, vol. 11(8), pages 1-15, August.

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