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Comparative of Energy-Saving by Green Roof Type on Urban Office Building
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 Title & Authors
Comparative of Energy-Saving by Green Roof Type on Urban Office Building
Kim, Jeong-Ho; Kwon, Ki-Uk; Joo, Chang-Hun; Yoon, Yong-Han;
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This study, the urban energy used office building green roof type composition of the target by analyze building energy reductions. Green roof is total 6 types(type A~F) were selected, EnergyPlus the energy simulation programs were used. Top floor of green roof types evaluation, the reduction of the cooling peak load type E(1.26%), type D(1.30%), type C(1.37%), type B(1.45%), type F(1.49%), and heating peak load is type D(1.32%), type E(1.40%), type C(1.47%), type F(1.69%), type B(2.13%) order. Annual cooling load of heating load is reduced more than about 1% effect. The heating load reduction ratio for a maximum of 9% respectively. Cooling peak load of the building energy performance evaluation of type F > type B > type C > type D > type E in the order and in the case of peak loads heating type B > type F > type D > type E>type C order. Annual total energy use reduction of 1.07 to 1.22% and earn, type B in the best good. In primary energy use reductions in the presence of a green roof were in the 4249~4876 kWh/yr. Annual emissions reductions of unapplied type A were analyzed on average 469.78 kg.
Energy simulation;Green technology;Energy Plus;Thermal transmittance;Thermal conductivity;
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