某内燃牵引铁路隧道通风斜井适宜位置的数值研究

Numerical Study on Proper Ventilation Shaft Location of Certain Diesel Traction Railway Tunnel

以国内某内燃牵引铁路隧道为研究对象,建立一维非恒定不可压缩管内流动模型和具有运动污染源一维非稳定流模型,利用数值计算的方法分别对单斜井送风式、排风式进行了模拟分析,通过对不同斜井位置、列车速度的通风效果的分析,得出较适宜的斜井位置,为实际工程提供了参考。

This paper takes a domestic diesel traction railway tunnel as the researching object,the one-dimensional unsteady incompressible tube flow model and the one-dimensional unsteady model with running population sources are established.By using numerical calculation method,the single inclined shaft air-suppling and the air-exhausting ventilation method are simulated,the paper finally determined the appropriate shaft position by simulating different shaft position and train speed and provides reference for practical engineering.