汽车除霜除雾要求必须满足国家强制性法规要求,而汽车除霜风道设计与布置是否合理直接影响汽车除霜除雾系统的性能。文章从汽车前除霜格栅的布置、风道的设计原则及风道中的压力损失等方面阐述汽车除霜风道的设计。 Car defrosting and defogging requirements must meet the requirements of national mandatory regulations, and the design and layout of the car defroster duct is a direct impact on the performance of the car defrosting and defogging system. The article elaborates the design of defrost air ducts in terms of the layout of the front defrosting grilles, the design principles of the air ducts and the pressure loss in the ducts.