Paper Conference

Proceedings of ASim Conference 2014: 2nd Asia conference of IBPSA-China, Japan, Korea


A case study of landscape design for residential common space using a thermal environmental simulation tool

Eiko Kumakura, Akinobu Murakami, Kazuaki Nakaohkubo

Abstract: In order to design a residential district through the introduction of a passive energy concept, it is important to share quantitative information, derived from numerical analyses, with landscape architects, building architects, and clients. This aids in the creation of a more comfortable and energy-efficient outdoor living space that takes into consideration landscape design elements that concern passive energy. This research aims to broaden the landscape design process by introducing a thermal environmental simulation tool into the design practice. In the landscape design process, a previously implemented thermal simulation tool was used to evaluate the effects of tree shape, position, and ground materials on the outdoor thermal environment. The evaluation of landscape design included quantifications of incident solar radiation on building windows, surface temperature, and mean radiation temperature (MRT). During each phase, diagrams and interviews with landscape architects were analyzed. As a result, two modified factors were obtained. The MRT distribution images were used to design the position of the walking areas and benches. However, more detailed design materials were needed, such as those affecting the trade-off between the solar-shading effects on indoor and outdoor spaces, in order to determine the optimal positions for trees planted nearest to the houses.
Keywords: Landscape design, Design process, Thermal simulation tool, residential complex, thermal comfort
Pages: 212 - 219