Urban/community morphology has become one of the hot research topics. However, the dynamic coupling mechanism between microclimate and building energy use inside communities is far from clear, and the relevant research about the impact of morphology factors is not complete yet. There is an urgent need for an overall evaluation system of the urban/community morphology. Based on the theory of urban planning, fluid dynamics and heat transfer, we will first select the important indices in the community scale, investigate their impact on the microclimate and building energy use, and reveal the inter-relationships among themselves. Through CFD simulation, building energy simulation, wind tunnel experiment, statistical sampling and data-driven modeling, the dynamic coupling mechanism between microclimate and building energy use will be clarified and then the community overall evaluation (COE) model will be developed. This study will make a breakthrough on the bi-directional coupling simulation of microclimate and building energy, and identify the corresponding relationships between COE and multiple evaluation indices such as microclimate, energy use intensity (EUI), and the utilization ratio of renewable energy. The COE can provide quantitative support for the comparison and optimization of community planning, which could be the theoretical basis of eco-low-carbon community development and strongly support the theory development of the demand-side integrative energy planning.

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