HVAC system retrofitting design for Hangzhou International Expo Center

Presents the HVAC system retrofitting design for Hangzhou International Expo Center (the main venue of G20 Hangzhou Summit),including the design parameters,cold and heat sources,air conditioning water system and ventilation system.Focuses on the air conditioning supply and return system design for conference hall and banquet hall, and simulates and verifies the comfort of air conditioning systems using CFD technology.In view of interior modeling, achieves a good cooling effect by integration of stratified side air supply,underfloor air distribution and wind column air supply.