民用建筑管道式自然通风
Natural ventilation with ducts for civil buildings
摘要：
管道式自然通风系统的使用由来已久，该系统为全新风系统。通过实例计算，认为在北京和哈尔滨地区，这种通风方式可以满足人们对新风的需要。
关键词：自然通风,全新风系统,管道布置,气流组织
Abstract：
Though with a long history, the natural ventilation systems with ducts are full fresh air systems. Based on the calculation of an example, indicates that the system can meet the needs for fresh air in Beijing and Harbin.
Keywords:natural ventilation, full fresh air system, duct layout, air distribution