Analytical solution, experimental data and CFD simulation for longitudinal tunnel fire ventilation

X Guo, Q Zhang - Tunnelling and Underground Space Technology, 2014 - Elsevier
A new integral theory for tunnel fire under longitudinal ventilation has been presented. Its
solution on critical velocity has been compared with experimental data and the results of …

Theoretical analysis on plane fire plume in a longitudinally ventilated tunnel

Q Zhang, X Guo, E Trussoni, G Astore, S Xu… - … and underground space …, 2012 - Elsevier
This paper presents a theoretical analysis on the longitudinal tunnel ventilation in fire
emergency based on a plane fire plume model. The objective of the current research is to …

The critical condition of longitudinal emergency tunnel ventilation–Comparison of theoretical prediction with experimental data

X Guo, Q Zhang, E Simone, G Astore, S Xu… - … and underground space …, 2012 - Elsevier
Systematic comparison has been carried out between the experimental data with different
tunnel fire configurations and the prediction by the theory presented in a previous paper by …

Numerical study of the effect of blockage on critical velocity and backlayering length in longitudinally ventilated tunnel fires

S Gannouni, RB Maad - Tunnelling and Underground Space Technology, 2015 - Elsevier
In a tunnel fire, one of the protective strategies of users and vehicles which are blocked
upstream of fire is provided by longitudinal ventilation systems which serve to limit the rise of …

Effect of longitudinal ventilation on heat release rate of tunnel fires

L Li, P Mei, S Li, H Zhang - Tunnelling and underground space technology, 2012 - Elsevier
The effect of the forced longitudinal ventilation on the heat release rate of tunnel fires is
quantitatively analyzed and experimentally examined using the experimental data by Roh et …

Effect of blockage on critical ventilation velocity in longitudinally ventilated tunnel fires

N Meng, X Hu, M Tian - Tunnelling and Underground Space Technology, 2020 - Elsevier
Abstract Effect of blockage on critical ventilation velocity in longitudinally ventilated tunnel
fires was investigated based on small-scale experiments and numerical simulations …

Numerical study of the flame geometry of pool fires in longitudinally ventilated tunnels

T Deng, S Norris, RN Sharma - Tunnelling and Underground Space …, 2023 - Elsevier
In a windy environment, the flame tilt angle and base drag length are two parameters used
to describe the flame geometry of liquid fuel fires. This work describes a numerical …

CFD simulations of a tunnel fire—Part II

PJ Woodburn, RE Britter - Fire safety journal, 1996 - Elsevier
The sensitivity of results of simulations of the area downstream of a fire in a tunnel to several
factors was quantified. The factors were natural convective heat transfer, radiative heat …

Model of ventilation flows during large tunnel fires

H Ingason, A Lönnermark, YZ Li - Tunnelling and underground space …, 2012 - Elsevier
In order to describe the reduction in the longitudinal airflow velocity due to the fire and hot
gases resistances in a large tunnel fire, a theoretical model, taking into consideration the …

The maximum gas temperature rises beneath the ceiling in a longitudinal ventilated tunnel fire

Y Yao, K He, M Peng, L Shi, X Cheng - Tunnelling and Underground …, 2021 - Elsevier
This paper studies the maximum gas temperature rises beneath the ceiling in tunnel fires.
The fire scenarios with higher longitudinal ventilation velocities are of key concern. This …