13th International Symposium on
AERODYNAMICS AND VENTILATION OF VEHICLE TUNNELS
New Brunswick, New Jersey, USA: 13–15 May 2009

 Bound copies of the proceedings of this Symposium, together with a CD can be ordered from the Conference Administrator

CONTENTS

Sir Alan Marshall Muir Wood – In Memoriam – A reflection on the life and achievements of one of the world's greatest civil engineers 

FOREWORD

ROAD: Portal Emissions
Influence of the distance between the portal and the vertical shaft of a   
road tunnel on the exhaust out of the portal with traffic making use of CFD
T Nishiura, J Ishitoya, Metropolitan Expressway Co. Ltd., Japan;
T Chihara, FITUT Laboratory Co. Ltd., Japan; A Mizuno, Kogakuin University, Japan

Estimation of carry-out property from portal with a massive exhaustion  
system near the portal
A Mizuno, Kogakuin University, Japan; K Yamada, INC Engineering
Co. Ltd., Japan; Y Shinozuka, Kogakuin University, Japan

Model-based predictive ventilation control in practical use and its evaluation 
H Nomura, Nippon Expressway Research Institute Company Ltd., Japan;
M Kobayashi, Dosys Company Limited, Japan; A Mitani, Sohatsu Systems Laboratory Incorporated, Japan; A Vardy, University of Dundee, UK

Possibilities and limitations of tunnel-air filtration and portal-flow extractions 
R Brandt, I Riess, HBI Haerter Ltd, Switzerland

 

ROAD: Longitudinal Ventilation
Managing the longitudinal air velocity in long road tunnels 
M Bettelini, Lombardi Ltd., Switzerland

The use of inverter-driven jet-fans to reduce tunnel ventilation costs 
I Nakahori, T Ato, K Murakami, D Araki, Sohatsu Systems Laboratory Inc., Japan; T Kanatani, Hyogo Prefecture Institute of Technology, Japan;
A Vardy, University of Dundee, UK

Application of CFD in the analysis of jet fans for emergency tunnel ventilation 
N Shahcheraghi, D Shah, AECOM, USA

Impulse ventilation for tunnels – a state of the art review 
F Tarada, Halcrow Group Ltd., UK; R Brandt, HBI Haerter Ltd., Switzerland

 

 ROAD: Design Overviews
The safety aspects of the tunnel under the Strait of Gibraltar 
G Lombardi, A Panciera, M Bettelini, Lombardi Ltd., Switzerland

The challenges of upgrading existing road tunnels 
P J Sturm, M Bacher, G Schmölzer, Graz University of Technology, Austria

 

ROAD: Emissions
Development of integrated-type visibility meter for road tunnels (2nd report) 
Y Miyadera, A Mizuno, Kogakuin University, Japan; S Kawashima,
M Kobayashi, Dosys Co. Ltd., Japan; H Hamada, Y Kotani, KOHZU PRECISION Co. Ltd., Japan

A study of vehicle emissions – correlation of PIARC guidelines with actual  
data from the Lane Cove Tunnel (LCT)
S O'Gorman, A Bagis, J Munro, Parsons Brinckerhoff, Australia;
B Dandie, Thiess Pty Ltd, Australia

 

ROAD: Smoke Removal and Control
Modification of a transverse ventilation system: a probability- and CFD-based
assessment of the improvement in fire safety
A Mos, B Brousse, Centre d’Études des Tunnels (CETU), France;
A Chabert, GEF (Frejus operating group), France/Italy; G Giovannelli, Agefluid, France

The SMART tunnel ventilation system 
R Clare, Mott MacDonald, USA; N Rhodes, Hatch Mott MacDonald, USA

Fire and smoke management in a uni-directional road tunnel for a congested  
traffic condition
Y Liu, J Munro, Parsons Brinckerhoff Australia; B Dandie, Thiess Pty Ltd., Australia

 

FIRE: Theoretical Modelling
Numerical analysis of smoke layer stability 
B Truchot, Ineris, France; M Boehm, Egis Tunnel and LMFA Lyon University, France; F Waymel, Egis Tunnel, France

Numerical simulation of critical ventilation velocity in tunnel fire and smoke  
control
K Kang, Columbia University, USA
 
CFD fire modeling of tunnel spray-on liner 
S K Li, T P O’Dwyer, Parsons Brinckerhoff, USA

Coupling of CFD software for the computation of unsteady flows in tunnel  
networks
B Rey, EPFL, Switzerland; M Mossi, P Molteni, GESTE Engineering SA, Switzerland; J Vos, CFS Engineering SA, Switzerland; M Deville, EPFL, Switzerland
 
Wind effects on smoke movement and natural smoke ventilation systems:
a CFD (field modeling) approach
A Xiaohua Wang, N Rhodes, E Hanson, Hatch Mott MacDonald, USA

 

 FIRE: Physical Modelling
Experiments on the backflow prevention upstream of a fire in a longitudinally  
ventilated tunnel: effect of the buoyant source conditions
G Michaux, Université de La Rochelle, France; O Vauquelin, Aix-Marseille Université, France

Small-scale experiments on critical velocity in a tunnel cross-passage 
Y Z Li, B Lei, Z H Xu, Z H Deng, Southwest Jiaotong University, China

Critical velocity and backlayering length in tunnel fires using longitudinal  
ventilation system
Y Z Li, B Lei, Z H Xu, Z H Deng, Southwest Jiaotong University, China

Laboratory experiments on smoke natural extraction in case of tunnel fire 
O Vauquelin, Aix-Marseille Université, France; T Beji, University of Ulster, UK; G Michaux, Univerité de la Rochelle, France

 

FIRE: Infrastructure
Parameters affecting the performance of detection systems in road tunnels 
Z G Liu, CAFS Unit Inc, Canada; A Kashef, G D Lougheed, G Crampton, National Research Council of Canada, Canada; Y Ko, G Hadjisophocleous, Carleton University, Canada

Suppression systems in road tunnels – savings in ventilation systems? 
C Quaglini, Arup Fire, USA; J Jönsson, Arup Fire, Spain; S Pearce,
Arup Fire, China; P Johnson, Arup Fire, Australia

Performance based cross passage spacing in road tunnels 
N Shahcheraghi, D Shah, AECOM, US

 

RAIL: Aerodynamic Analysis
Rapid prediction of train nose entry pressure gradients 
A Vardy, University of Dundee, UK; M S Howe, Boston University, USA

Train-induced pressures and flows in large underground stations 
A Vardy, University of Dundee, UK; N Rhodes, A Xiaohua Wang,
Hatch Mott MacDonald, USA

Aerodynamic design of underground station with high-speed train passing 
D K H Wu, Parsons Brinckerhoff (Asia) Ltd., China

Reduction of the compression wave in a tunnel and aerodynamic drag of  
a bluff-nose train
Y Sakuma, A Ido, M Iida, Railway Technical Research Institute, Japan

Prediction of micro-pressure wave emissions from high-speed railway tunnels 
M Hieke, H-J Kaltenbach, T Tielkes, Deutsche Bahn AG, Germany

 

RAIL: Thermal Analysis and Design
Inertial, thermal and Mach-number compressibility in railway tunnels 
A Vardy, University of Dundee, UK; A Rudolf, O Gloth, ILF GmbH, Austria

Evaporative cooling for protection of tunnel ventilation equipment 
I Maevski, R Klein, Jacobs Engineering, USA

Modelling of degrading diesel locomotive performance in short tunnels 
J M Edenbaum, S S Levy, Parsons Brinckerhoff Inc., USA

Transient thermal comfort modeling in subway stations 
D Guan, Arup, USA; D Abi-Zadeh, M Tabarra, Arup, UK;
H Zhang, University of California, USA

How efficient is an under platform exhaust (UPE) system? 
M Tabarra, D Guan, DMJM Harris + Arup Joint Venture, USA

Thermal analysis and ventilation strategy for the new base tunnel of the  
railway line Lyon-Torino
P Molteni, M Mossi, F Evéquoz, GESTE Engineering, Switzerland;
B Soler, SETEC Tpi, France

Temperature management in the London Underground 
W M S Bradbury, Atkins Ltd., UK; M J Gilbey, Parsons Brinkerhoff Ltd., UK

Tunnel ventilation modelling for normal operations of London Underground 
A Lightfoot, Parsons Brinckerhoff Ltd., UK; G Clark, Atkins Ltd., UK;
K Hunt, Parsons Brinckerhoff Ltd., UKK Hunt, Parsons Brinckerhoff Ltd., UK

CFD estimation of heat transfer enhancement on a cooling pipe in 
underground railway tunnels
Y S Ting, Parsons Brinckerhoff Ltd and London South Bank University, UK; M J Gilbey, S N Drake, Parsons Brinckerhoff Ltd, UK; J F Missenden, London South Bank University, UK

Response of wall heat transfer to steady and transient flows along a  
cylindrical cavity
J A Thompson, London South Bank University and Parsons
Brinckerhoff Ltd., UK; J F Missenden, London South Bank University, UK;
M J Gilbey, Parsons Brinckerhoff Ltd, UK; G G Maidment, London South Bank University, UK

Control of train air conditioning systems in the stalled train event 
J A Thompson, London South Bank University and Parsons Brinckerhoff Ltd., UK; M J Gilbey, Parsons Brinckerhoff Ltd., UK; G G Maidment, London South Bank University,

 

URAIL: Design Overviews
Innovations in ventilation requirements of NFPA 130 – 2010 Edition 
H L Levitt, The Port Authority of New York & New Jersey, USA;
W D Kennedy, Parsons Brinckerhoff Inc., USA

Evaluation of linear duct extraction for emergency ventilation of transit 
tunnels
S Levy, T Fuster, M Kang, A Louie, Parsons Brinckerhoff, USA

The asymmetric longitudinal ventilation concept 
T O’Dwyer, W Kennedy, Parsons Brinckerhoff Inc., USA; T Gilroy, GEM Projects Pty Ltd., Australia

Comfort indices used for subway design 
M J Gilbey, Parsons Brinkerhoff Ltd., UK; S J Kemp, London Underground Ltd., UK

 RAIL: Case Studies
Ventilation challenges and design for the Inner Northern Busway, Brisbane,  
Australia
M Bilson, P Gehrke, Parsons Brinckerhoff (formerly of AECOM Australia);
A Purchase, C Stacey, AECOM Australia

Emergency ventilation and escape below a rail yard overbuild 
W D Kennedy, R E Ray, P Kumar, Parsons Brinckerhoff, USA

Fire risk analysis and tunnel ventilation for the new high slope metro line of  
Lausanne
M Mossi, F Évéquoz, P Molteni, GESTE Engineering SA, Switzerland;
P Martin, Cegelec Centre-Est, France; M Badoux, Transports Publics de la région Lausannoise, Switzerland

Aerodynamics in Loetschberg Base Tunnel – simulations and measurements  
in the second longest European high-speed rail tunnel
A Busslinger, B Hagenah, P Reinke, C Rudin, HBI Haerter Ltd, Switzerland

 RAIL: Fire Design Criteria
Fundamentals for the development and application of a design train fire  
scenario
J Greg Sanchez, MTA-New York City Transit, USA

A subway operation support system for energy saving and fire risk reduction  
by considering train-driven wind
K Maeda, D Araki, Sohatsu Systems Laboratory Inc., Japan; N Kawabata, Kanazawa University, Japan

Predicting design fires in rail vehicles 
A Coles, A Wolski, Arup Fire, USA; C Lautenberger, University of California, USA

 AUTHOR INDEX