A study on a porous residential building model in hot and humid regions part 2-reducing the cooling load by component-scale voids and the CO"2 ... [An article from: Building and Environment]

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Description:
The purpose of this paper is to show the effectiveness of porous residential buildings in hot and humid regions in the light of cooling load and CO"2 emission reductions. Thermal and Airflow Network analysis and LCA analysis are used for these simulations. Two scales of voids, namely building-scale voids and component-scale voids are considered. In the previous paper (Hirano et al. Building and Environment, forthcoming), it was revealed that building-scale voids are substantially effective in terms of reducing the cooling load. This paper firstly focuses on the cooling load reduction effects of component-scale voids, then moves on to the CO"2 emission reduction effects of both component- and building-scale voids. Additionally, other environmentally friendly techniques are examined in order to assess the feasibility of the Architectural Institute of Japan (AIJ) charter, which sets the target that new buildings should extend their service life up to 100 years as well as reduce Life-Cycle CO"2 (LCCO"2) emission by 30%.