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Study of pyrolysis and upward flame spread on charring materials-Part I: Experimental study

Wasan, S. R. ; Van Hees, Patrick LU and Merci, B. (2011) In Fire and Materials 35(4). p.209-229
Abstract
In this paper, we describe the results from an experimental campaign, focused on vertical upward flame spread over a charring material. First, for validation purposes of simulation tools, we report on cone calorimeter results for square (9.8 cm x 9.8 cm), 1.65 cm thick, medium density fibre samples, mounted horizontally. Temperature is shown at the surface and at different depths. The mass of the sample is continuously measured. From the raw data, we derive the temporal evolution of the mass loss rate due to pyrolysis. Different externally imposed heat fluxes are investigated (20, 30 and 50 kW/m(2)), onto dry and wet material. Afterwards, for the configuration of two particle board plates (0.025 m thick, 0.4 m wide and 2.5 m high),... (More)
In this paper, we describe the results from an experimental campaign, focused on vertical upward flame spread over a charring material. First, for validation purposes of simulation tools, we report on cone calorimeter results for square (9.8 cm x 9.8 cm), 1.65 cm thick, medium density fibre samples, mounted horizontally. Temperature is shown at the surface and at different depths. The mass of the sample is continuously measured. From the raw data, we derive the temporal evolution of the mass loss rate due to pyrolysis. Different externally imposed heat fluxes are investigated (20, 30 and 50 kW/m(2)), onto dry and wet material. Afterwards, for the configuration of two particle board plates (0.025 m thick, 0.4 m wide and 2.5 m high), vertically mounted face to face is considered. Two different horizontal spacing distances between the two plates are studied (30.5 and 10.5 cm). The purpose of this set-up is to investigate the vertical upward flame spread with strong radiative heat feedback. To that purpose, the temporal evolution of surface temperature is measured over the height of the plates. The measurement data are used to test a pyrolysis model in numerical simulations. Copyright (C) 2010 John Wiley & Sons, Ltd. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
flame spread, pyrolysis, parallel plate, cone calorimeter
in
Fire and Materials
volume
35
issue
4
pages
209 - 229
publisher
John Wiley & Sons Inc.
external identifiers
  • wos:000291207100002
  • scopus:79955901696
ISSN
1099-1018
DOI
10.1002/fam.1047
language
English
LU publication?
yes
id
4c742fac-13a4-436c-ba35-2696abb4d8e3 (old id 1985456)
date added to LUP
2016-04-01 14:31:59
date last changed
2022-01-28 01:08:23
@article{4c742fac-13a4-436c-ba35-2696abb4d8e3,
  abstract     = {{In this paper, we describe the results from an experimental campaign, focused on vertical upward flame spread over a charring material. First, for validation purposes of simulation tools, we report on cone calorimeter results for square (9.8 cm x 9.8 cm), 1.65 cm thick, medium density fibre samples, mounted horizontally. Temperature is shown at the surface and at different depths. The mass of the sample is continuously measured. From the raw data, we derive the temporal evolution of the mass loss rate due to pyrolysis. Different externally imposed heat fluxes are investigated (20, 30 and 50 kW/m(2)), onto dry and wet material. Afterwards, for the configuration of two particle board plates (0.025 m thick, 0.4 m wide and 2.5 m high), vertically mounted face to face is considered. Two different horizontal spacing distances between the two plates are studied (30.5 and 10.5 cm). The purpose of this set-up is to investigate the vertical upward flame spread with strong radiative heat feedback. To that purpose, the temporal evolution of surface temperature is measured over the height of the plates. The measurement data are used to test a pyrolysis model in numerical simulations. Copyright (C) 2010 John Wiley & Sons, Ltd.}},
  author       = {{Wasan, S. R. and Van Hees, Patrick and Merci, B.}},
  issn         = {{1099-1018}},
  keywords     = {{flame spread; pyrolysis; parallel plate; cone calorimeter}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{209--229}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Fire and Materials}},
  title        = {{Study of pyrolysis and upward flame spread on charring materials-Part I: Experimental study}},
  url          = {{http://dx.doi.org/10.1002/fam.1047}},
  doi          = {{10.1002/fam.1047}},
  volume       = {{35}},
  year         = {{2011}},
}