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Article

Analysis of Solar Radiation Shading Effects by Trees in the Open Space around Buildings

1
Department of Architecture, Kobe University, Rokkodai, Nada, Kobe 657-8501, Japan
2
Department of Facility Design, Nikken Sekkei Ltd., Koraibashi, Chuo, Osaka 541-8528, Japan
3
Construction Administration Section, Nikken Sekkei Ltd., Koraibashi, Chuo, Osaka 541-8528, Japan
*
Author to whom correspondence should be addressed.
Sustainability 2017, 9(8), 1398; https://doi.org/10.3390/su9081398
Submission received: 3 July 2017 / Revised: 29 July 2017 / Accepted: 3 August 2017 / Published: 8 August 2017
(This article belongs to the Special Issue Vegetated Roofs and Walls)

Abstract

Work and leisure in outdoor spaces influences people’s physiological and psychological, while it can also lead to a reduction of energy consumed via air conditioning and lighting. In this study, the effects of solar radiation shading by trees in the open space around buildings on microclimatic development and pedestrian radiation environment are evaluated through a case study on the redevelopment buildings in front of Central Osaka Station, based on both observation and calculation. In both open space and green garden, direct solar radiation is shielded mainly by the buildings located behind the trees rather than by the trees themselves. Solar radiation shielding by trees is necessary in the range of more than 10 m from the south side of the buildings and more than 6 m from the west or east sides of the buildings.
Keywords: shading; open space; tree; pedestrian; microclimate shading; open space; tree; pedestrian; microclimate

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MDPI and ACS Style

Takebayashi, H.; Kasahara, M.; Tanabe, S.; Kouyama, M. Analysis of Solar Radiation Shading Effects by Trees in the Open Space around Buildings. Sustainability 2017, 9, 1398. https://doi.org/10.3390/su9081398

AMA Style

Takebayashi H, Kasahara M, Tanabe S, Kouyama M. Analysis of Solar Radiation Shading Effects by Trees in the Open Space around Buildings. Sustainability. 2017; 9(8):1398. https://doi.org/10.3390/su9081398

Chicago/Turabian Style

Takebayashi, Hideki, Makiko Kasahara, Shingo Tanabe, and Makoto Kouyama. 2017. "Analysis of Solar Radiation Shading Effects by Trees in the Open Space around Buildings" Sustainability 9, no. 8: 1398. https://doi.org/10.3390/su9081398

APA Style

Takebayashi, H., Kasahara, M., Tanabe, S., & Kouyama, M. (2017). Analysis of Solar Radiation Shading Effects by Trees in the Open Space around Buildings. Sustainability, 9(8), 1398. https://doi.org/10.3390/su9081398

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