Air conditioning system design for Dongying Meeting and Exhibition Center

The exhibition center is a large space building with the roof of membrane structure. For the large cooling load in the upper part in summer, the stratificated air conditioning system is adopted. The occupant zone is served by an all-air low-velocity system and air is supplied by nozzle outlets in two opposite side walls and returned from the downside. A mechanical ventilation system is designed in the upper space. The large space in the meeting center is served by a double-fan all-air low-velocity system and the office zone a fan-coil unit plus fresh air system. The water system is of two-pipe with variable flow primary pumps. The cold and heat sources are ground-source heat pump plus ice storage system.