Performance optimisation and predictive modeling of smoke control in asymmetrical V-shaped tunnels: Synergistic effects of air curtains and side-wall extraction on temperature and smoke propagation

Bochen Li, Yanfeng Li, Hua Zhong, College of Architecture and Civil Engineering, Beijing University of Technology, School of the Built Environment and Architecture, London South Bank University

Building Services Engineering Research and Technology: An International Journal

Published online on April 30, 2026

Abstract

Building Services Engineering Research & Technology, Ahead of Print.
Controlling smoke propagation in asymmetrical V-shaped tunnels remains a formidable challenge, particularly at slope transitions where buoyancy-driven stack effects often compromise traditional ventilation strategies. This study proposes and optimizes a ...