Tunnel Fire Testing And Modeling
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Tunnel Fire Testing And Modeling
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Author : Fabio Borghetti
language : en
Publisher: Springer
Release Date : 2016-11-25
Tunnel Fire Testing And Modeling written by Fabio Borghetti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-25 with Technology & Engineering categories.
This book aims to cast light on all aspects of tunnel fires, based on experimental activities and theoretical and computational fluid dynamics (CFD) analyses. In particular, the authors describe a transient full-scale fire test (~15 MW), explaining how they designed and performed the experimental activity inside the Morgex North tunnel in Italy. The entire organization of the experiment is described, from preliminary evaluations to the solutions found for management of operational difficulties and safety issues. This fire test allowed the collection of different measurements (temperature, air velocity, smoke composition, pollutant species) useful for validating and improving CFD codes and for testing the real behavior of the tunnel and its safety systems during a diesel oil fire with a significant heat release rate. Finally, the fire dynamics are compared with empirical correlations, CFD simulations, and literature measurements obtained in other similar tunnel fire tests. This book will be of interest to all engineers and public officials who are concerned with the nature, prevention, and management of tunnel fires.
Tunnel Fire Dynamics
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Author : Haukur Ingason
language : en
Publisher: Springer
Release Date : 2014-11-14
Tunnel Fire Dynamics written by Haukur Ingason and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-14 with Technology & Engineering categories.
This book covers a wide range of issues in fire safety engineering in tunnels, describes the phenomena related to tunnel fire dynamics, presents state-of-the-art research, and gives detailed solutions to these major issues. Examples for calculations are provided. The aim is to significantly improve the understanding of fire safety engineering in tunnels. Chapters on fuel and ventilation control, combustion products, gas temperatures, heat fluxes, smoke stratification, visibility, tenability, design fire curves, heat release, fire suppression and detection, CFD modeling, and scaling techniques all equip readers to create their own fire safety plans for tunnels. This book should be purchased by any engineer or public official with responsibility for tunnels. It would also be of interest to many fire protection engineers as an application of evolving technical principles of fire safety.
A Study On Pulsation In Runehamar Tunnel Fire Tests With Forced Longitudinal Ventilation
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Author :
language : en
Publisher:
Release Date : 2006
A Study On Pulsation In Runehamar Tunnel Fire Tests With Forced Longitudinal Ventilation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Fire dynamics simulator (Computer program) categories.
Abstract: Fire tests involving heavy goods vehicles (HGVs) in a road tunnel with forced ventilation in Norway, conducted by SP, demonstrated a pulsation phenomena that is similar to oscillating flames and thermo-acoustic instabilities previously observed in vitiated compartments and resonant systems that meet the Rayleigh criterion, respectively. This current study investigates whether the causal phenomena can be determined using either a simple, one-dimensional fluid dynamics model or a computation fluid dynamics program. It is assumed that the leading cause for pulsation is a locally under-ventilated fire. Theoretical analysis shows that this assumption is valid and how such conditions can cause the flow field to change. A simple model is developed for a tunnel fire with forced, longitudinal ventilation. The results qualitatively represent the test data and support the assumption of a locally vitiated fire. A more sophisticated analysis, involving the Fire Dynamics Simulator (FDS) Version 4.0, provides similar results. Although FDS calibration, using similar experiment data from the Memorial Tunnel Ventilation Test Program, demonstrates model limitations in predicting smoke layers near the solid boundaries under forced flow field, the qualitative results from both models indicates that pulsation in large tunnel fires under forced ventilation conditions results from poor mixing of the bulk flow in the near field of the fire.
Design Fires In Road Tunnels
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Author : Igor Y. Maevski
language : en
Publisher: Transportation Research Board
Release Date : 2011
Design Fires In Road Tunnels written by Igor Y. Maevski and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
TRB’s National Cooperative Highway Research Program (NCHRP) 415: Design Fires in Road Tunnels information on the state of the practice of design fires in road tunnels, focusing on tunnel fire dynamics and the means of fire management for design guidance.
Behavior Of Wood Fires In Model Tunnels Under Forced Ventilation Flow
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Author :
language : en
Publisher:
Release Date : 1980
Behavior Of Wood Fires In Model Tunnels Under Forced Ventilation Flow written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Government publications categories.
The Handbook Of Tunnel Fire Safety
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Author : Richard Carvel
language : en
Publisher: Thomas Telford Publishing
Release Date : 2005
The Handbook Of Tunnel Fire Safety written by Richard Carvel and has been published by Thomas Telford Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Political Science categories.
Like New, No Highlights,No Markup,all pages are intact.
Investigation Of Effectiveness Of Emergency Ventilation Strategies In The Event Of Fires In Road Tunnels
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Author :
language : en
Publisher:
Release Date : 2005
Investigation Of Effectiveness Of Emergency Ventilation Strategies In The Event Of Fires In Road Tunnels written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
A research project is being conducted at the National Research Council of Canada (NRC) to evaluate the effectiveness of current emergency ventilation strategies to control smoke spread in the event of a fire in two road tunnels. The research study includes numerical and experimental phases. The numerical phase uses Computational Fluid Dynamics (CFD) models to study smoke ventilation in the tunnels. The experimental phase is used to calibrate and to partially validate the chosen CFD models and to provide the necessary initial and boundary conditions. SOLVENT, a CFD model, was used to model ventilation scenarios using existing data. The current paper presents the efforts to validate the CFD model against onsite flow and fire test measurements conducted in a 1.8 km road tunnel. The CFD model includes aerodynamically significant physical features of the tunnel and is customized to provide general roughness replicating the actual roughness in the tunnel.
Heat Release In Fires
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Author : Vytenis Babrauskas
language : en
Publisher: Taylor & Francis
Release Date : 1990-12
Heat Release In Fires written by Vytenis Babrauskas and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-12 with Architecture categories.
An Investigation Of The Fire Environment In The Astm E 84 Tunnel Test
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Author : William J. Parker
language : en
Publisher:
Release Date : 1977
An Investigation Of The Fire Environment In The Astm E 84 Tunnel Test written by William J. Parker and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Fire testing categories.
Tunnel Fire Dynamics
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Author : Haukur Ingason
language : en
Publisher: Springer Nature
Release Date :
Tunnel Fire Dynamics written by Haukur Ingason and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.