Journal of the Architectural Institute of Korea Planning & Design (대한건축학회논문집:계획계)

Architectural Institute of Korea (대한건축학회)
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Analysis of the Impact of Floor Area Ratio on Heating Energy Demand by Passive Housing Complex

용적률이 패시브 공동주택 난방 에너지요구량에 미치는 영향 분석

  • Received : 2015.01.08
  • Accepted : 2015.05.13
  • Published : 2015.05.30
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Abstract

This study compared and analyzed the difference in heating energy demand in relation to the raise of floor area ratio based on the case of passive housing complex based on the intention of examining whether relaxing floor area ratio as an incentive acknowledged when acquiring certification is a substantial system for realizing passive housing or zero energy housing complex and making related suggestions. The energy performance analysis on each building showed that the heating energy demand decreased, however, for buildings influenced by the increase of floors in the building before them, the energy demand increased as the solar heat gain decreased while the heat loss through conduction and ventilation and internal heating did not show difference. The combination analysis of 30 buildings showed that the total heating energy demand by the complex increased in proportion to the floor area ratio while the annual heating energy demand per unit area decreased. Since the difference in heating energy demand is directly related with the total energy consumption, it is necessary to consider the housing complex's energy performance in arranging and composing main buildings from the planning stage. Furthermore, it is necessary to make an additional suggestion for the energy efficiency rating based on the characteristics of the household as the heat loss and gain patterns appear variously according to such characteristics.

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Acknowledgement

Supported by : 국토교통부

References

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