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Liu, Yunlong (Jason), PhD, PE, FPE, CPEng, NER, FIEAust
Senior project manager - Tunnel Ventilation, Fire & Life Safety Lead

Rail & Highway Infrastructure Engineering

California High Speed Rail
2020 L Street, Suite 400, Sacramento, CA 95814, USA
Telephone: (+1) 425 300 0882
WhatsApp: +1 425 429 2120
WeChat: Yunlongjasonliu
Skype: Yunlong.Liu1
Email:  yunlongl@gmail.com


Professional Experiences

  • Senior Project Engineer, 2011-2023 (Tunnel Ventilation) HNTB Corporation, Seattle, USA
  • Tunnel Ventilation Engineer, 2003-2011 (Fire Engineering) CSIRO, Parsons Brinckerhoff, Sydney, Australia
  • Research Scientist, 2001-2003 (Building Services) Swiss Federal Institute of Technology, Zurich, Switzerland
  • Senior Research Fellow, 2000-2001 (Applied Physics) Delft University of Technology, Delft, The Netherlands
  • Associate Professor, 1998-2000 (Mechanical Engineering) China University of Petroleum, Shandong, P.R.China

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    Professional Services
    • Railway Infrastructure Ventilation, Fire & Life Safety Engineering
    • Highway tunnel ventilation & fire safety system design, analysis & certification
    • Building fire safety engineering design & CFD analysis
    Affiliations & Registrations
    Selected Publications
    • Yunlong Liu, et al, Design fire heat release rate of flammable liquid fires under water mist suppression in a tunnel, ISTSS 2023, Stavanger, Norway, April 26-28, 2023, [PDF]
    • Yunlong Liu, et al, Review of Design Fire Heat Release Rate for Tunnels with Fire Suppression Systems, ISTSS 2023, Stavanger, Norway, April 26-28, 2023, [PDF]
    • Yunlong Liu, et al, Wind impact on fire emergency ventilation for a road tunnel with water-based fire protection systems, 19th International Symposium on Aerodynamics, Ventilation and Fire in Tunnels. Brighton, UK, 28-30th, September 2022, [PDF]
    • Yunlong Liu, et al, A streamlined approach for tunnel structural fire durability design, 19th International Symposium on Aerodynamics, Ventilation and Fire in Tunnels. Brighton, UK, 28-30th, September 2022, [PDF]
    • Yunlong Liu, et al, A Modified Critical Velocity for Road Tunnel Fire Smoke Management with Dedicated Smoke Extraction Configuration, Case Studies in Fire Safety, Volume 1, Number 2, Page 16-27, 2014, [PDF]
    • Yunlong Liu, et al, Fire and smoke management in a uni-directional road tunnel for a congested traffic condition, International Journal of Ventilation, Volume 8, Number 4, Page 385-396, 2010,[PDF]
    • Yunlong Liu, et al, A Methodology for Life Safety Assessment in Road Tunnel Fires, Journal of Fire Protection Engineering, Volume 17, Number 1, Page 65-79, 2007,[PDF]
    • Yunlong Liu, et al, CFD-Aided Tenability Assessment of Railway Tunnel Train Fire Scenarios, International Journal of Ventilation, Volume 5, Number 2, Page 205-218,2006, [PDF]
    • Yunlong Liu, et al, Water mist fire suppression of a train fire, Fire Safety - Sea Road Rail Conference, Melbourne, Australia, 2-4 November 2005, [PDF]
    • Yunlong Liu, et al, Comparison of a CFD Fire Model Against a Ventilated Fire Experiment in an Enclosure, International Journal of Ventilation, Volume 3, Number 2, Page 169-182, 2004,[PDF]
    • Yunlong Liu, et al, Numerical Study of Airborne Particle Transport in an Operating Room, International Journal of Ventilation, Volume 2, Number 2, Page 103-110, 2003, [PDF]
    • Yunlong Liu, et al, Numerical Study of Hybrid Ventilation of Apartments in a Densely-Populated Urban Neighbourhood, International Journal of Ventilation, Volme 1, Number 3, Page 219-224, 2003, [PDF]

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