Ventilation and environmental control of underground spaces: a short review

¹ School of Building Services Science and Engineering, Xi’an University of Architecture and Technology, Xi’an, 710055, China
² Department of Applied Physics and Electronics, Umeå University, SE-901 87, Umeå, Sweden
³ Department of Mechanical Engineering, School of Engineering, Aalto University, Sähkömiehentie 4, 02150, Espoo, Finland
⁴ College of Urban Construction, Nanjing Tech University, Nanjing, 210009, China
⁵ International Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, 2800, Kgs, Denmark
⁶ Department of Building, Energy and Material Technology, The Arctic University of Norway, Nordland County, Norway
⁷ Department of Thermal Engineering, Shandong Jianzhu University, Ji’nan, 250101, China

^* Corresponding author: yangbin@xauat.edu.cn

Abstract

More and more underground spaces were used in 21st century because of rapid urbanization, traffic problems, etc. Underground city, metro, tunnel, mine, industrial and agriculture engineering, civil air defence engineering need large underground spaces. Underground spaces with different thermal, ventilation and lighting environments may cause comfort, health and safety problems. Concrete problems include excessive humidity, heat transfer specialty, excessive CO caused by blockage in long distance traffic tunnels, difficulty in smoke exhaust and evacuation during fire, harmful microorganism, radioactivity pollutants, psychological problems, and so forth. Air quality control technologies for underground spaces, including ventilation technology, dehumidification technology, natural energy utilization technology, smoke extraction technology and ventilation resistance reduction technology, will be reviewed. Ventilation for smoke-proof/evacuation and ventilation will also be reviewed.