Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Comparative of Energy-Saving by Green Roof Type on Urban Office Building

도심 오피스건물의 옥상녹화 조성 유형별 건물에너지 절감 비교 연구

  • Kim, Jeong-Ho (Department of Green Technology Convergence, Konkuk University) ;
  • Kwon, Ki-Uk (Department of Green Technology Convergence, Konkuk University) ;
  • Joo, Chang-Hun (Forest Inventory Center, National Forestry Cooperatives Federation) ;
  • Yoon, Yong-Han (Department of Green Technology Convergence, Konkuk University)
  • 김정호 (건국대학교 녹색기술융합학과) ;
  • 권기욱 (건국대학교 녹색기술융합학과) ;
  • 주창훈 (산림조합중앙회) ;
  • 윤용한 (건국대학교 녹색기술융합학과)
  • Received : 2014.05.29
  • Accepted : 2014.08.06
  • Published : 2014.08.29
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Abstract

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 $CO_2$ emissions reductions of unapplied type A were analyzed on average 469.78 kg.

Keywords

References

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