Quantitative Evaluation of the Effects of Heat Island on Building Energy Simulation: A Case Study in Wuhan, China

The climate data used for dynamic energy simulation of buildings located in urban regions are usually collected meteorological stations situated rural areas, which do not accurately represent the microclimate (e.g., heat island effect), and this might affect accuracy. This paper aims at quantitatively evaluating effects on a high-rise building’s performance based tool ENVI-met building COMFIE. However, computation models is time consuming; it possible to simulate every day year reasonable time. proposes method that generates hourly “site-specific data” avoid long times. A coupling COMFIE was developed more precise simulation, accounting effect. It applied Wuhan, China. results showed yearly average effect intensity height 3 m estimated be 0.55 °C decreased with height. Compared considering outdoor temperature variation orientation, using original areas led an overestimation heating load by around 5.8% underestimation cooling 8.7%. weather file near north facade neglecting along height, overestimated 8.2% underestimated 10.8%. methods proposed can application simulation.