Numerical simulation of the glowing combustion of moist wood by means of a front‐based model

Antonio Galgano; Colomba Di Blasi; Sergio Ritondale; Andrea Todisco

doi:10.1002/fam.2203

journal article Oct 03, 2013

Numerical simulation of the glowing combustion of moist wood by means of a front‐based model

Antonio Galgano Colomba Di Blasi Sergio Ritondale Andrea Todisco

Fire and Materials Vol. 38 No. 6 pp. 639-658 · Wiley

View at Publisher Save 10.1002/fam.2203

Abstract

ABSTRACTA model is presented for the glowing combustion of thick moist wood samples exposed to fire‐level heat fluxes. It includes the description of all the relevant heat and mass transfer phenomena and assumes that the thermally controlled drying, the finite‐rate kinetics pyrolysis, and the mixed kinetic‐diffusive controlled combustion take place at infinitely thin fronts. The solution, based on the integral method, shows that apart from short initial and final transients, an ablation regime is established given high external heat fluxes and/or high moisture contents, high wood density and thermal conductivity, and low char density. Drying, pyrolysis, and combustion take place simultaneously along a constant‐thickness layer that propagates at a constant rate (the same for the three fronts) towards the cold sample side. Good quantitative agreement is obtained between model predictions and measurements. Copyright © 2013 John Wiley & Sons, Ltd.

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Details

Published: Oct 03, 2013
Vol/Issue: 38(6)
Pages: 639-658
License: View

Authors

A

Antonio Galgano

Istituto di Ricerche sulla Combustione C.N.R. P.le V. Tecchio Napoli 80125 Italy

C

Colomba Di Blasi

Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale Università degli Studi di Napoli "Federico II" P.le V. Tecchio Napoli 80125 Italy

S

Sergio Ritondale

Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale Università degli Studi di Napoli "Federico II" P.le V. Tecchio Napoli 80125 Italy

A

Andrea Todisco

Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale Università degli Studi di Napoli "Federico II" P.le V. Tecchio Napoli 80125 Italy

Cite This Article

Antonio Galgano, Colomba Di Blasi, Sergio Ritondale, et al. (2013). Numerical simulation of the glowing combustion of moist wood by means of a front‐based model. Fire and Materials, 38(6), 639-658. https://doi.org/10.1002/fam.2203

Numerical simulation of the glowing combustion of moist wood by means of a front‐based model

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