Overview of research on fire safety in underground road and railway tunnels
In the past two decades, the interest in fire safety science of tunnels has significantly
increased, mainly due to the rapidly increasing number of tunnels built and the catastrophic …
increased, mainly due to the rapidly increasing number of tunnels built and the catastrophic …
The potential influence of building optimization and passive design strategies on natural ventilation systems in underground buildings: The state of the art
Most of the underground buildings rely on mechanical ventilation system for achieving an
acceptable indoor thermal comfort level. In order to alleviate the greenhouse effect, it is …
acceptable indoor thermal comfort level. In order to alleviate the greenhouse effect, it is …
Smoke spread characteristics inside a tunnel with natural ventilation under a strong environmental wind
In order to investigate the effect of strong environmental wind on a tunnel fire under natural
ventilation, a series of numerical simulations were conducted using large eddy simulation …
ventilation, a series of numerical simulations were conducted using large eddy simulation …
A numerical study on upstream maximum temperature in inclined urban road tunnel fires
Numerical simulations were carried out to study the smoke behaviors induced by fires in
inclined tunnels with different slopes and the upstream maximum temperatures along the …
inclined tunnels with different slopes and the upstream maximum temperatures along the …
Full-scale tests on smoke temperature distribution in long-large subway tunnels with longitudinal mechanical ventilation
C Shi, J Li, X Xu - Tunnelling and Underground Space Technology, 2021 - Elsevier
Long-large subway tunnel accommodates the requirements of high-speed operation of
trains, but also poses challenges on smoke control in case of tunnel fire. In conjunction with …
trains, but also poses challenges on smoke control in case of tunnel fire. In conjunction with …
Numerical investigation on the effect of ambient pressure on smoke movement and temperature distribution in tunnel fires
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 …
ambient pressure on smoke movement and temperature distribution in tunnel fires. Once a …
Effects of ambient pressure on transport characteristics of thermal-driven smoke flow in a tunnel
Thermal-driven smoke flow is the greatest threat to the trapped people in tunnels, and the
basic understanding of the smoke transport characteristics is necessary for the engineering …
basic understanding of the smoke transport characteristics is necessary for the engineering …
A numerical study on smoke back-layering length and inlet air velocity of fires in an inclined tunnel under natural ventilation with a vertical shaft
When a fire occurs in an inclined tunnel, the tunnel inlet air velocity induced by the stack
effect will help to prevent the smoke backflow. This work presents numerical studies on the …
effect will help to prevent the smoke backflow. This work presents numerical studies on the …
Effects of ambient pressure on characteristics of smoke movement in tunnel fires
Y Yao, Y Zhang, H Zhu, Z Han, S Zhang… - … and Underground Space …, 2023 - Elsevier
This paper systematically studies the effect of ambient pressure on smoke movement in
tunnel fires by numerical investigations. Because of the correlation between ambient …
tunnel fires by numerical investigations. Because of the correlation between ambient …
Natural wind utilization in the vertical shaft of a super-long highway tunnel and its energy saving effect
Z Zhang, H Zhang, Y Tan, H Yang - Building and Environment, 2018 - Elsevier
The understanding of natural ventilation in super-long tunnels can help to optimize the
design of ventilation systems and reduce energy consumption and maintenance costs. This …
design of ventilation systems and reduce energy consumption and maintenance costs. This …