A review on the transport law and control method of fire smoke from energy storage system in tunnels

C Qian, H Ding, J Xie, X Jiang, Q Chen, Y Chen… - Journal of Energy …, 2023 - Elsevier
As the preferred medium for tunnel energy storage system (TESS), lithium-ion batteries
(LIBs) are widely used in tunnel lighting, ventilation, fire protection, monitoring, and …

Numerical investigation on the effect of ambient pressure on smoke movement and temperature distribution in tunnel fires

J Ji, F Guo, Z Gao, J Zhu, J Sun - Applied Thermal Engineering, 2017 - Elsevier
A series of simulations are conducted in a full scale road tunnel to explore the effect of
ambient pressure on smoke movement and temperature distribution in tunnel fires. Once a …

Numerical simulation of fire smoke control methods in subway stations and collaborative control system for emergency rescue

K Wang, W Cai, Y Zhang, H Hao, Z Wang - Process Safety and …, 2021 - Elsevier
As subway fires can easily cause numerous casualties, this paper proposes the idea of
active disaster relief, which involves ventilation, exhaust, smoke blocking and exhaust, and …

[HTML][HTML] Numerical Investigation on the length of the near-field region of smoke flow in tunnel fires

Z Wang, X Jiang, H Park, L Wang, J Wang - Case Studies in Thermal …, 2021 - Elsevier
In a tunnel fire, smoke flow is often divided into two regions: the near-field and the far-field.
The former is a three-dimensional radial flow region close to the fire source and the latter is …

Investigation on the critical shaft height of plug-holing in the natural ventilated tunnel fire

S Zhang, K He, Y Yao, M Peng, H Yang, J Wang… - International Journal of …, 2018 - Elsevier
In order to study the plug-holing of vertical shaft with different fire-shaft distance in road
tunnel, a series of numerical simulations about tunnel fire were carried out. The results have …

On the backlayering flow of the buoyant contaminants in a tunnel with forced longitudinal ventilation

T Du, L Yang, D Yang, S Dong, W Ji - Building and Environment, 2020 - Elsevier
In a longitudinally ventilated tunnel, the backlayering flow of buoyant contaminants appears
when the ventilation velocity is lower than the critical velocity. In this study, we use brine …

Study of the optimal pitch angle of jet fans in road tunnels based on turbulent jet theory and numerical simulation

T Chen, Y Li, Z Xu, J Kong, Y Liang, B Wang… - Building and …, 2019 - Elsevier
The diffusion angle of the air jet and the optimal pitch angle (OPA) of the jet fan are studied
and compared through turbulent jet theory and FLUENT numerical simulation in this paper …

Experimental reduced-scale study on the resistance characteristics of the ventilation system of a utility tunnel under different pipeline layouts

S Li, X Liu, J Wang, Y Zheng, S Deng - Tunnelling and Underground Space …, 2019 - Elsevier
With the rapid development of urban society, the advantages of utility tunnels are becoming
increasingly prominent. As an important parameter of the ventilation system designed for …

A numerical study on CO migration after blasting in high-altitude tunnel by inclined shaft

B Wu, R Zhao, G Meng, S Xu, W Qiu, H Chen - Scientific Reports, 2022 - nature.com
On the western plateau of China, ventilation problems brought on by low atmospheric
pressure must be overcome. And CO migration after blasting in high-altitude tunnel by …

The influence of natural draught on the air flow in a tunnel with longitudinal ventilation

M Król, A Król, P Koper, P Wrona - Tunnelling and Underground Space …, 2019 - Elsevier
This article presents the results of full-scale in situ measurements of airflow, conducted in a
real-world road tunnel. The tunnel is located in Gdańsk city under one of the limbs of the …