Simulation of Ethylene Wall Fires Using the Spatially-Evolving One-Dimensional Turbulence Model (Record no. 189653)

MARC details
000 -LEADER
fixed length control field 02853nab a2200265 4500
008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL
Campo de control de longitud fija 260224s2016 xxu ing
041 ## - IDIOMA
Idioma Inglés
245 00 - TITULO
Título Simulation of Ethylene Wall Fires Using the Spatially-Evolving One-Dimensional Turbulence Model
260 ## - PUBLICACION, DISTRIBUCION, ETC
Lugar de publicación, distribución, etc.
Nombre de publicador, distribuidor, etc.
Fecha de publicación, distribución, etc. ene. 2016
270 ## - FECHA DE CARGA
Fecha de carga 25/07/2016 ; 25/07/2016
300 ## - DESCRIPCION FISICA
Otra extensión 19 p. ; 167-196
520 ## - RESUMEN, ETC
Resumen Transcripción del resúmen realizada por el autor: The mechanism of flame propagation in fuel beds of wildland fires is important to understand in order to quantify fire spread rates. Fires spread by radiative and convective heating and in some cases require direct flame contact to achieve ignition. The flame in an advancing fire is unsteady and turbulent, making study of intermittent flames in complex fuels difficult. A 1.83 m tall, 0.61 m wide vertical wall fire, in which ethylene fuel is slowly fed through a porous ceramic, is modeled to investigate unsteady turbulent flames in a controlled environment. Three fuel flow rates of 235, 390, and 470 L/min are considered. Simulations of this configuration are performed using a spatial formulation of the one-dimensional turbulence (ODT) model which is able to resolve individual flames (a key property of this model) and has been shown to provide turbulent statistics that compare well with experimental data for a number of flow configurations including wall fires. In the ODT model diffusion–reaction equations are solved along a notional line of sight perpendicular to the wall that is advanced vertically. Turbulent advection is modeled through stochastic domain mapping processes. A new Darrieus–Landau combustion instability model is incorporated in the ODT eddy selection process. The ODT model is shown to capture the evolution of the flame and describe the intermittent properties at the flame/air interface. Simulations include radiation and soot effects and are compared to experimental temperature measurements. Simulated mean temperatures differ from the experiments by an average of 63 K over all measurement points for the three fuel flow rates. Predicted root mean square temperature fluctuations capture the trends in the experimental data, but overestimate the raw experimental values by a factor of two. This difference is discussed using thermocouple response and heat transfer correction models. Simulated velocity, soot, and radiation properties are also reported.
581 ## - ESTADO DE COLECCIÓN
Estado de colección 1
773 0# - CORRECCIÓN
Título Fire Technology
Partes relacionadas 52
942 ## - DESC. DE MATERIAL
Tipo de item KOHA Artículo de Revista
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Monson, Elizabeth I.
9 (RLIN) 55464
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Apellido, Nombre Lignell, David O.
9 (RLIN) 55465
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Apellido, Nombre Werner, Chris
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Apellido, Nombre Hintze, Ryan S.
9 (RLIN) 55467
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Apellido, Nombre Finney, Mark A.
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Apellido, Nombre Jozefik, Zoltan
9 (RLIN) 55469
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Apellido, Nombre Kerstein, Alan R.
9 (RLIN) 55470
Holdings
Biblioteca propietaria Biblioteca actual Fecha de adquisición Inventario Total de préstamos Inventario Fecha de carga Tipo de item KOHA
Biblioteca Alejandro Angel Bulgheroni Biblioteca Alejandro Angel Bulgheroni 06/03/2026 200061893   200061893 06/03/2026 Artículo de Revista


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