A CFD METHODOLOGY FOR FIRE SPREAD AND RADIATIVE EFFECTS SIMULATION IN LONGITUDINAL VENTILATION TUNNELS: APPLICATION TO THE MEMORIAL TUNNEL D. Borello*, G.Giuli** and F. Rispoli* *DepartMent of Mechanics and Aeronautics University of Rome ‘La Sapienza’ **ENEA – Italian Agency for the Energy, the New Technologies and the Environment International PHOENICS User Conference – 23-27 September, 2002 – International PHOENICS User Conference – 23-27 September, 2002 – Moscow Moscow
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A CFD METHODOLOGY FOR FIRE SPREAD AND RADIATIVE EFFECTS SIMULATION IN LONGITUDINAL VENTILATION TUNNELS: APPLICATION TO THE MEMORIAL TUNNEL D. Borello*,
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A CFD METHODOLOGY FOR FIRE SPREAD
AND RADIATIVE EFFECTS SIMULATION IN
LONGITUDINAL VENTILATION TUNNELS:
APPLICATION TO THE MEMORIAL TUNNEL
D. Borello*, G.Giuli** and F. Rispoli*
*DepartMent of Mechanics and Aeronautics University of Rome ‘La Sapienza’
**ENEA – Italian Agency for the Energy, the New Technologies and the Environment
International PHOENICS User Conference – 23-27 September, 2002 – MoscowInternational PHOENICS User Conference – 23-27 September, 2002 – Moscow
INDEX
• MOTIVATIONS
• MEMORIAL TUNNEL DESCRIPTION
• FLOW MODELS
• NUMERICAL DETAILS
• NUMERICAL CAMPAIGN
International PHOENICS User Conference – 23-27 September, 2002 – MoscowInternational PHOENICS User Conference – 23-27 September, 2002 – Moscow
MOTIVATIONS
• MAJOR INTEREST IN TUNNEL SAFETY AND POLLUTION CONTROL
• EXPERIMENTAL RESULTS GIVE PARTIAL FLOW INFORMATION
• DEVELOPING A NUMERICAL METHODOLOGY DEVOTED TO
TUNNEL FLOW SIMULATION ABLE TO:
– PREDICT THE FLOW BEHAVIOR IN OPERATING CONDITIONS
– DESCRIBE THE FIRE SPREAD IN ORDER TO:
• PREDICT MAIN FLOW PHENOMENA
BACK-LAYERING AND SMOKE DIFFUSION
• DEFINE THE BEST VENTILATION CONFIGURATION IN
EMERGENCY SITUATIONS
International PHOENICS User Conference – 23-27 September, 2002 – MoscowInternational PHOENICS User Conference – 23-27 September, 2002 – Moscow
MEMORIAL TUNNEL 1/5
Memorial Tunnel Fire Ventilation Program Massachusetts Highway Department & Bechtel/Parsons