Application of zonal model to dynamic simulation of thermal environment for large atrium

Based on the analysis of the thermal environment and air movement in large atrium, introduces the zonal model with the benchmark of temperature and presents the method to calculate the distribution of indoor temperature and to realize dynamic simulation. Applies the model to predict the thermal environment of a large atrium in Shanghai, and compares the result with that of CFD. The results show a consistent trend of temperature distribution. Applies the zonal model to simulate the dynamic environment of the atrium under two different air conditioning conditions. As a result, when the exhaust outlet is located at the middle height of atrium rather than the top of atrium, the temperature gradient of upper region is decreased, and self-circulated air stream is formed in the region higher and lower than the exhaust outlet resulting in more uniform temperature distribution.