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Effect of opening geometries on fire development in a ro-ro space
RISE Research Institutes of Sweden, Safety and Transport, Fire and Safety. Ningbo University, China.ORCID iD: 0000-0001-9468-4586
RISE Research Institutes of Sweden, Safety and Transport, Fire and Safety.ORCID iD: 0000-0002-2049-6213
RISE Research Institutes of Sweden, Safety and Transport, Fire and Safety.ORCID iD: 0000-0002-9340-6768
RISE Research Institutes of Sweden, Safety and Transport, Fire and Safety.ORCID iD: 0000-0001-9597-928x
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2023 (English)In: Ships and Offshore Structures, ISSN 1744-5302, E-ISSN 1754-212X, p. 272-284Article in journal (Refereed) Published
Abstract [en]

A series of model scale experiments were conducted to study the fire development in a ro-ro deck with various opening geometries. The experiments were performed in a 1/8 reduced scale model with a heptane pool fire as fire source. Experimental results show that both the ventilation factor and the opening position affect the fire development. The critical opening ratio for the fire to self-extinguish is 4%, with the opening locating at the bottom of the side walls while no self-extinction is found for other tests. A higher opening position and a larger opening height provide better flow exchange between the deck and the ambient, but this effect is only obvious for 4% opening. Numerical study shows that Fire Dynamic Simulator used with default simple settings underestimates the fire development and yields an early extinction when fire self-extinction occurs. For freely developed fire with large openings, FDS gives more close results to experiments.

Place, publisher, year, edition, pages
2023. p. 272-284
Keywords [en]
Ro-ro space; fire development; opening; ventilation
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-58834DOI: 10.1080/17445302.2022.2038467OAI: oai:DiVA.org:ri-58834DiVA, id: diva2:1645778
Funder
Swedish Transport AdministrationThe Swedish Mercantile Marine Foundation
Note

The tests and simulations constitute parts of the research project RO5 (ro-ro spacefire ventilation) which isfinanced by Swedish Transport Administration (Trafikverket) and The Swedish Mercantile Marine Foundation (Stiftelsen Sveriges Sjömanshus).

Available from: 2022-03-18 Created: 2022-03-18 Last updated: 2023-11-02Bibliographically approved

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Jiang, LeiOlofsson, AnnaIngason, HaukurEvegren, FranzMindykowski, Pierrick

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