技术中心

【英文篇名】 Ventilation calculation and fan specification for the underground car park in civil buildings 【作者中文名】 邱玉平; 【作者英文名】 By Qiu Yuping; 【作者单位】 南昌有色冶金设计研究院; 【文献出处】 暖通空调, HV 通风换气量; 机械排风; 机械排烟; 双速风机; 【英文关键词】 underground parking; ventilation quantity; mechanical air exhaust; mechanical smoke exhaust; two speed fan; 【摘要】 逐一分析了民用建筑地下汽车库通风换气量计算公式中的ＣＯ 排放量、控制标准与送风浓度值，车辆行驶时间，车库规模，车位利用率等６ 个参数，通过实例计算认为可以双速风机方案满足高峰和非高峰时的排风要求，且通过适当的控制转换还可兼用于机械排烟。 【英文摘要】 Analyses each of the factors in ventilation calculation formulas, including the vehicle CO emission, CO limits, vehicle running time within the space, capacity of the parking and parking usage ratio. Considers based on an example calculation that an option with two speed fans is feasible in meeting both peak and off peak ventilation demand and this can also serve for smoke exhaust purpose by means of proper control switching.