Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preliminary Heat Transfer Analysis for a Large Extensive Green Roof
Extensive green roofs provide many ecosystem services lacking in the urban environment and are a widely implemented green infrastructure solution for urban stormwater. Yet few studies consider the performance of large green roofs after installation. This study presents initial data covering a few days in fall 2013 collected at a large exterior green roof (0.56 ha) in Syracuse, New York. Temperature sensors were installed throughout the layers of the roof during construction. Daily temperature follows an approximate sine curve with amplitude decreasing as a function of depth into the roof. Analysis of temperature within the roof layers indicates lag times of 3 to 4 h relative to air temperature, illustrating slow heat transfer through the layers. Initial observations of growth medium moisture conditions show changing thermal properties as moisture content changes. Future work will consider heat transfer in all seasons and the influence of building HVAC system data on the roof temperature profile.
Preliminary Heat Transfer Analysis for a Large Extensive Green Roof
Extensive green roofs provide many ecosystem services lacking in the urban environment and are a widely implemented green infrastructure solution for urban stormwater. Yet few studies consider the performance of large green roofs after installation. This study presents initial data covering a few days in fall 2013 collected at a large exterior green roof (0.56 ha) in Syracuse, New York. Temperature sensors were installed throughout the layers of the roof during construction. Daily temperature follows an approximate sine curve with amplitude decreasing as a function of depth into the roof. Analysis of temperature within the roof layers indicates lag times of 3 to 4 h relative to air temperature, illustrating slow heat transfer through the layers. Initial observations of growth medium moisture conditions show changing thermal properties as moisture content changes. Future work will consider heat transfer in all seasons and the influence of building HVAC system data on the roof temperature profile.
Preliminary Heat Transfer Analysis for a Large Extensive Green Roof
Squier, Mallory N. (Autor:in) / Ahmad, J. B. (Autor:in) / Cui, Zhi (Autor:in) / Davidson, Cliff I. (Autor:in)
International Conference on Sustainable Infrastructure 2014 ; 2014 ; Long Beach, California
ICSI 2014 ; 1077-1085
05.11.2014
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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