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http://dx.doi.org/10.11108/kagis.2015.18.2.028

Comparison of Thermal Effects of Different School Ground Surface Materials - A Case of Yooljeon Elementary School-  

LIM, Joong-Bin (Dept. of Landscape Architecture, Sungkyunkwan University)
YU, Jinhang (Dept. of Landscape Architecture, Sungkyunkwan University)
LEE, Ju-Yeol (Dept. of Landscape Architecture, Sungkyunkwan University)
LEE, Kyoo-Seock (Dept. of Landscape Architecture, Sungkyunkwan University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.18, no.2, 2015 , pp. 28-44 More about this Journal
Abstract
Granite soil has been used traditionally as a school playground surface. Natural turf has also been used in some schools. Recently artificial turf has come into common use instead of granite soil or natural turf. Artificial turf playgrounds are used at 174 schools in Seoul, Korea. More than 3,500 artificial turf fields are installed in the United States. Because of the increase of artificial turf usage, there are many studies about the estimation of artificial turf effects to environment. Compared with artificial turf material effects such as characterization of substances released from material, and recognition of volatility of heavy metal into the surrounding environment - air or the percolating rainwater -, less studies for thermal effects of artificial turf playground have been done. Especially, the corresponding studies in Korea are few. Thus, the purpose of this research is to compare the thermal effects of artificial turf on school playground between natural turf and granite soil. In this study, air temperature and Predicted Mean Vote (PMV) were compared in three scenarios by Computational Fluid Dynamics (CFD) model. Additionally, the results were validated through a field measurement. Air temperature decreasing effects by natural turf are greater than those by artificial turf and granite soil at 14:30 on 20th, July 2011. It shows the same decreasing effects at 23:30. However, the difference is less than that of daytime. PMV differences between natural turf and the other two surface covers are large at daytime while those are much less at nighttime. Consequently, air temperature and PMV of artificial turf are the highest among three school playground surface pavements.
Keywords
Thermal Comfort; CFD; Artificial Turf; Air Temperature; PMV;
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Times Cited By KSCI : 9  (Citation Analysis)
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