公路隧道竖井送排通风模式及工程应用

A Shaft Ventilation Model to Highway Tunnel and Its Application

本文运用空气动力学的基本方程建立了公路隧道竖井送排式组合通风的计算模式,并结合浙江某工程,对竖井送排风量、风速、压力、浓度比以及射流风机组合通风进行计算,对送排风口的构造、形状、角度、间距进行分析,为隧道通风设计提供依据。

: A calculating model of composite shaft ventilation in highway tunnel has been established based on a basic equation of aerodynamics . Taking one project in Zhejiang province as an example , it calculates the air flow in and out , air velocity ,pressure , concentration ratio at the shaft and the composite ventila-tion flow of jet fan ,analyzes the structure , shape ,angle and interval of ventilation slot and provides a ba-sis for tunnel ventilation design.