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Preventing the explosion of acetylene cylinders involved in fire with help of numerical modeling

  • The current paper describes a mathematical model, which was developed to simulate the heat transfer in acetylene cylinders during exposure to a fire. The cases of a direct engulfment of the cylinder in the flames and of exposure to a distant fire were considered. Furthermore, the model was also applied to the prediction of the heat transfer during the cooling with water of heated acetylene cylinders, in order to assess the effectiveness of this procedure as a measure to prevent the burst of the cylinder. To provide data for the definition and validation of the model a total of 13 bonfire tests with 8.9-, 10- and 50-dm³-cylinders were performed, where pressure and temperature measurements in the samples were performed. During 5 experiments the fire was extinguished before the expected cylinder burst and a cooling with water was applied. In the paper a short description of the experimental set-up and of the test results is given. Finally, a comparison with the model predictions isThe current paper describes a mathematical model, which was developed to simulate the heat transfer in acetylene cylinders during exposure to a fire. The cases of a direct engulfment of the cylinder in the flames and of exposure to a distant fire were considered. Furthermore, the model was also applied to the prediction of the heat transfer during the cooling with water of heated acetylene cylinders, in order to assess the effectiveness of this procedure as a measure to prevent the burst of the cylinder. To provide data for the definition and validation of the model a total of 13 bonfire tests with 8.9-, 10- and 50-dm³-cylinders were performed, where pressure and temperature measurements in the samples were performed. During 5 experiments the fire was extinguished before the expected cylinder burst and a cooling with water was applied. In the paper a short description of the experimental set-up and of the test results is given. Finally, a comparison with the model predictions is provided, showing reasonable agreement.zeige mehrzeige weniger

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Metadaten
Autor*innen:Fabio Ferrero, Martin Kluge, Michael Kreißig, Christina Hensel, Ulrich Schmidtchen, Kai Holtappels
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Journal of loss prevention in the process industries
Jahr der Erstveröffentlichung:2012
Verlag:Butterworth
Verlagsort:Guildford, Surrey
Jahrgang/Band:25
Ausgabe/Heft:2
Erste Seite:364
Letzte Seite:372
Freie Schlagwörter:Acetylene cylinders; Cooling; Explosion; Fire; Numerical model
DOI:10.1016/j.jlp.2011.10.006
ISSN:0950-4230
ISSN:1873-3352
Bemerkung:
Geburtsname von Kluge, Martin: Beckmann-Kluge, M. -  Birth name of Kluge, Martin: Beckmann-Kluge, M.
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:21.12.2011
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