Air conditioning ventilation system design for super high and large space exhibition hall in National Exhibition and Convention Center（Shanghai）

Presents the architectural features about exhibition and convention building. Through researching air supply modes of air conditioning system for exhibition hall, analyses their results and provides the design parameters. Calculates CFD numerical simulation for four kinds of typical air supply modes, including the all side air supply, side and upper air supply with outlet at the same height with structure truss, side and upper air supply with outlet 10 meters lower than structure truss and all upper air supply. Combined with the factors of air conditioning effect, energy consumption difference and others, adopts all upper air supply mode and the automatic regulating airflow outlet. The testing results in winter show that the indoor temperature can meet the design requirements.