Spatial-temporal prediction of the environmental conditions inside an urban road tunnel during an incident scenario

L Xu, X Xu, C Ding, J Liu, Y Zhao, K Yu, J Chen… - Building and …, 2022 - Elsevier
Nowadays, environmental conditions inside tunnel have attracting more and more public
attentions. The occurrence of traffic accident will greatly change the spatiotemporal …

Study of the applicability and optimal arrangement of alternative jet fans in curved road tunnel complexes

T Chen, D Zhou, Z Lu, Y Li, Z Xu, B Wang… - … and Underground Space …, 2021 - Elsevier
Constructions of underground complex road networks or tunnel complexes all over the world
are in the ascendant. However, very few countries have developed specific …

Some Tips on numerical modeling of airflow and fires in road tunnels

A Król, M Król - Energies, 2021 - mdpi.com
The efficiency of tunnels systems is often evaluated using numerical simulations. This
concerns both to normal and emergency mode of tunnel systems operation. Therefore the …

[HTML][HTML] CFD simulations of a semi-transverse ventilation system in a long tunnel

A Dastan, M Rahiminejad, M Sabz, M Abbasi… - Underground …, 2023 - Elsevier
In the present work, a semi-transverse ventilation system in a long tunnel with a length of 4.9
km, as a complex case study, is numerically studied by performing a set of three …

Coupling effect of vehicle wake and jet flow on the dispersion characteristics and dilution efficiency of pollutants in urban highway tunnels

S Zhao, J Xie, P Xue, Y Wang, Z Jiang, J Liu - Science of The Total …, 2023 - Elsevier
The pollutants emitted by traveling vehicles are prone to accumulation inside urban highway
tunnels, which poses a serious threat to the driving safety and health of passengers. This …

Analysis and prediction models of flow field in mountain tunnels under strong canyon wind

T Chen, Z Lu, D Zhou, C Fan - Tunnelling and Underground Space …, 2022 - Elsevier
Flow field in mountain tunnels induced by canyon wind, which has significant references for
the desirable environment creation in tunnels, has not been fully revealed. In order to …

The key technologies of road elevation detection based on sensor fusion

J Han, J Liu, H Chang - Sensors, 2022 - mdpi.com
The detection of long-distance pavement elevation undulation is the main data basis for
pavement slope detection and flatness detection, and is also the data source for 3D …

[PDF][PDF] CFD modelling of urban road tunnels: towards accurate parameter estimation

M Demuynck, S Denys - 2024 - researchgate.net
Urban road tunnels can be a solution to mitigate traffic nuisances but still contribute to
atmospheric pollution. This research assesses the environmental impact of tunnel …

The impact of jet fans layout on the CO concentration distribution inside tunnel for the congestion scenario

L Xu, J Chen, K Yu, J Liu, M Qiu - E3S Web of Conferences, 2022 - e3s-conferences.org
Air pollution inside tunnel has attracting more people's attention in China. The occurrence of
traffic accident in the rush hours would cause widespread traffic congestion inside tunnel …