Based on the air conditioning system design of data room in a security center in Beijing,the design requirements of indoor temperature,humidity and the calculation of air conditioning load are introduced.The characteristics,advantages and disadvantages of water-cooled cold-water system and natural-cooled air-cooled cold-water system are introduced,and the design of emergency cold source for A-class computer room is introduced.Advantages,disadvantages and applicability of closed cold channel and closed hot channel in data room are compared.Through air distribution simulation,it is verified that closed cold channel air supply can make the temperature in cold and hot channel meet the design requirements.In view of the air-conditioning chilled water system,this paper proposes the determination of air-conditioning chilled water supply and return water temperature,and expounds the pipeline design that can ensure the safe operation of air-conditioning water system.The energy saving design measures of air conditioning in data center are summarized,and the matters needing attention in design are pointed out.
data roomair conditioning system for data roomcalculation of air conditioning loadconstant temperature and humidityclosed cold passageenergy-saving measures