地下汽车库2个防烟分区合用机械排烟（风）系统风机的选用
Fan selection of mechanical ventilation and smoke exhaust system shared by two smoke control zones in underground garages
摘要：
以地下汽车库中2个防烟分区合用1套机械排烟兼排风系统的设计为研究对象，给出了火灾工况下系统实际排烟量的计算方法，分析了风机技术参数选用的影响因素，并给出了设计建议。
关键词：地下汽车库,防烟分区,排烟量,机械排烟,火灾工况
Abstract：
Taking the design of two smoke control zones with a mechanical ventilation and smoke exhaust system for underground garages as research object, proposes the calculation method for smoke extraction rate in fire conditions, analyses influencing factors of the technical parameter selection of the fan, and presents some suggestions on designing.
Keywords:underground garage, smoke control zone, smoke extraction rate, mechanical ventilation, fire condition