[HTML][HTML] Air flow and gas dispersion in the forced ventilation of a road tunnel during construction

Y Fang, Z Yao, S Lei - Underground Space, 2019 - Elsevier
… used in the construction of tunnels since it is an economical … In the study, field measurement
of air velocity was performed, … In field tests, the test of the average wind speed of the section …

Numerical modeling of air velocity distribution in a road tunnel with a longitudinal ventilation system

A Król, M Król, P Koper, P Wrona - Tunnelling and Underground Space …, 2019 - Elsevier
road infrastructure results in the construction of road tunnels. … Considering real tunnels, it
is also very hard to test different … airflow velocity was compared to the measured velocities. A …

A study on airflows induced by vehicle movement in road tunnels by the analysis of bulk data from tunnel sensors

A Król, M Król, W Węgrzyński - Tunnelling and Underground Space …, 2023 - Elsevier
… the average longitudinal airflow velocity in tunnels as a result … also the background for tests
carried out in tunnels located at … the comparison with the measured airflow velocities. For this …

[HTML][HTML] An integrated approach for the analysis and modeling of road tunnel ventilation. Part I: Continuous measurement of the longitudinal airflow profile

P Levoni, D Angeli, P Cingi, GS Barozzi… - Transportation …, 2021 - Elsevier
velocity probes installed in road tunnels, which, in turn, as in the case of the Mont Blanc,
generate the data which are directly fed to airflow … has been designed and built, and finally tested

[HTML][HTML] Improvement of Modeling Velocity of Airflow Created by Emergency Ventilation in a Road Tunnel Using FDS 6

J Glasa, L Valasek, P Weisenpacher, T Kubisova - Applied Sciences, 2023 - mdpi.com
Road tunnels are equipped with various safety installations … tests was conducted in the
Polana tunnel. The objective of one of these tests was to measure the longitudinal airflow velocity

Determining the optimal airflow rate to minimize air pollution in tunnels

Q Xue, W Nie, L Guo, Q Liu, Y Hua, N Sun, C Liu… - Process Safety and …, 2022 - Elsevier
velocity under different airflow rates, we carried out quantitative experimental measurements
through an independently developed airflow… concentration, we tested airflow rates of 200, …

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
… The airflow velocities were measured for one cross-sectional … The tests covered measurements
of airflow at 56 separate … Road tunnels are fundamental elements of a road network. They …

Field measurements of vehicle pollutant emissions in road tunnels at different altitudes

G Yan, M Wang, P Qin, T Yan, K Li, X Wang… - … and Underground Space …, 2021 - Elsevier
… vehicle fleets on the airflow pattern and pollutant distributions … road tunnels, so ambient
pressure, temperature, air velocity … In our study, the slopes of four test tunnels are all less than 5 …

Numerical investigation of airflow patterns and pollutant dispersions induced by a fleet of vehicles inside road tunnels using dynamic mesh part Ⅰ: Traffic wind …

X Song, Y Zhao - Atmospheric environment, 2019 - Elsevier
… m to 3 m were analyzed for test-step independence when the … independence test, we compared
the average wind velocity … , a field measurement was conducted inside a road tunnel with …

Field measurements of the environmental parameter and pollutant dispersion in urban undersea road tunnel

M Wang, X Wang, L Yu, T Deng - Building and Environment, 2019 - Elsevier
… , air velocity, CO, NO 2 and PM concentration were tested along the tunnel. The tested results
… and environmental assessment for urban undersea road tunnels, and the basic data in this …