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Extinguishing Smold...
Extinguishing Smoldering Fires in Wood Pellets with Water Cooling : An Experimental Study
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- Fjellgaard Mikalsen, Ragni (författare)
- RISE,Fire Research Norge,Western Norway University of Applied Science, Norway; Otto von Guericke University Magdeburg, Germany
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- Hagen, Bjarne Christian (författare)
- Western Norway University of Applied Science, Norway
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- Steen-Hansen, Anne (författare)
- RISE,Fire Research Norge
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- Krause, Ulrich (författare)
- Otto von Guericke University Magdeburg, Germany
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- Frette, Vidar (författare)
- Western Norway University of Applied Science, Norway
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(creator_code:org_t)
- 2018-11-16
- 2019
- Engelska.
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Ingår i: Fire technology. - : Springer Science and Business Media LLC. - 0015-2684 .- 1572-8099. ; 25:1, s. 257-284
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Smoldering fires in stored or transported solid biofuels are very difficult to extinguish. The current study has explored heat extraction from the combustion zone as a method for extinguishing such flameless fires. Heat extraction from the sample was made feasible using water flowing through a metal pipe located inside the sample. The fuel container was a steel cylinder with insulated side walls, open at the top and heated from below. Wood pellets (1.25 kg, 1.8 l) was used as fuel. Results from small-scale experiments provide proof-of-concept of cooling as a new extinguishing method for smoldering fires. During self-sustained smoldering with heat production in the range 0 W to 60 W, the heat loss to the cooling unit was in the range 5 W to 20 W. There were only marginal differences between non-extinguished and extinguished cases. Up-scaling is discussed, cooling could be feasible for preventing smoldering fires in silos.
Nyckelord
- Fuel storage safety Industrial fire
- Biofuels
- Smoldering
- Extinguishment
- Fire suppression
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- art (ämneskategori)
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