技术中心

【英文篇名】 Similarity study on model experiment for natural ventilation in highway tunnels 【作者中文名】 钟星灿; 龚延风; 童艳; 【作者英文名】 Zhong Xingcon Gong Yonfeng Tong Yan China Railway Eryuan Engineering Group Co.Ltd.; Chengdu; China; 【作者单位】 中铁二院工程集团有限公司; 南京工业大学; 【文献出处】 暖通空调, Heating Ventilating 自然通风; 模型实验; 相似特征数; 换算关系; 【英文关键词】 highway tunnel; natural ventilation; model experiment; criteria number in similarity; conversion relationship; 【摘要】 针对某个实际的顶部开孔的城市公路隧道自然通风模型实验,分析了隧道内交通车流和隧道气流的相互关系,指出在模型实验时应同时保证这两种流动的相似,确定了需要满足的相似特征数以及模型与原型之间的换算关系。 【英文摘要】 According to a natural ventilation model experiment about an actual city highway tunnel with top openings,analyses the mutual relationships between airflow and traffic flow.Indicates that the experiment similitude of two flows should be ensured at the same time.Determines the criteria numbers in similarity and the conversion relationships between models and prototypes.