LI Zhihua,LIAN Zhiwei,ZHENG Zhixing

    (TraneASDC，Institute of Refrigeration and Cryogenics,Shanghai Jiao Tong University,Shanghai 200030,China，ZhiAo M&E EquipmentE ngineering Co.,Ltd)

    Abstract:Following the ventilation technology and HVAC development,we do the research of round corner air-duct on fluid dynamic and mechanical character.The difference of round corner,rectangle and spiral air-duct on dynamic fluid,mechanic,manufacturing and application has been compared.And the result indicates that the round corner air-duct system is reasonable and applicable for the HVAC engineering application.

    Key words:round corner air duct,ventilation equipment