Vertical flame spread on charring materials at different ambient temperatures

Johan Mangs (Corresponding Author), Simo Hostikka

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

A new flame spread apparatus for the measurement of flame spread rates at different ambient temperatures is presented. A 2‐m long sample is pre‐heated with air to the desired temperature and ignited from its lower end with a small propane burner. The flame spread is traced with thermocouples in contact with the sample surface. The features and function of the new apparatus are described, as well as series of vertical flame spread experiments on cylindrical birch rods and electrical cables made of polyvinylchloride (PVC) and flame retardant non‐corrosive (FRNC) materials. Vertical flame spread rates 6–62 mm/s (temperature range 22–271 °C) were determined for birch samples, 3–24 mm/s (22–190 °C) for PVC cable samples, and 0–4 mm/s (22–293 °C) for FRNC cable samples. Small‐scale experiments with thermogravimetric analysis and cone calorimeter were performed to characterize the sample materials in terms of their thermal and fire behaviour.
Original languageEnglish
Pages (from-to)230-245
JournalFire and Materials
Volume37
Issue number3
DOIs
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

Fingerprint

Flame Retardants
Cables
Flame retardants
Propane
Thermocouples
Calorimeters
Fuel burners
Temperature
Thermogravimetric analysis
Cones
Fires
Experiments
Air
Hot Temperature

Keywords

  • flame spread
  • fire experiments
  • temperature dependence
  • electrical cables
  • birch wood

Cite this

Mangs, Johan ; Hostikka, Simo. / Vertical flame spread on charring materials at different ambient temperatures. In: Fire and Materials. 2013 ; Vol. 37, No. 3. pp. 230-245.
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Vertical flame spread on charring materials at different ambient temperatures. / Mangs, Johan (Corresponding Author); Hostikka, Simo.

In: Fire and Materials, Vol. 37, No. 3, 2013, p. 230-245.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

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AU - Mangs, Johan

AU - Hostikka, Simo

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N2 - A new flame spread apparatus for the measurement of flame spread rates at different ambient temperatures is presented. A 2‐m long sample is pre‐heated with air to the desired temperature and ignited from its lower end with a small propane burner. The flame spread is traced with thermocouples in contact with the sample surface. The features and function of the new apparatus are described, as well as series of vertical flame spread experiments on cylindrical birch rods and electrical cables made of polyvinylchloride (PVC) and flame retardant non‐corrosive (FRNC) materials. Vertical flame spread rates 6–62 mm/s (temperature range 22–271 °C) were determined for birch samples, 3–24 mm/s (22–190 °C) for PVC cable samples, and 0–4 mm/s (22–293 °C) for FRNC cable samples. Small‐scale experiments with thermogravimetric analysis and cone calorimeter were performed to characterize the sample materials in terms of their thermal and fire behaviour.

AB - A new flame spread apparatus for the measurement of flame spread rates at different ambient temperatures is presented. A 2‐m long sample is pre‐heated with air to the desired temperature and ignited from its lower end with a small propane burner. The flame spread is traced with thermocouples in contact with the sample surface. The features and function of the new apparatus are described, as well as series of vertical flame spread experiments on cylindrical birch rods and electrical cables made of polyvinylchloride (PVC) and flame retardant non‐corrosive (FRNC) materials. Vertical flame spread rates 6–62 mm/s (temperature range 22–271 °C) were determined for birch samples, 3–24 mm/s (22–190 °C) for PVC cable samples, and 0–4 mm/s (22–293 °C) for FRNC cable samples. Small‐scale experiments with thermogravimetric analysis and cone calorimeter were performed to characterize the sample materials in terms of their thermal and fire behaviour.

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KW - fire experiments

KW - temperature dependence

KW - electrical cables

KW - birch wood

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