Title:
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Pile burning of cutting debris in stands of hazel (Corylus avellana): an experimental study of smouldering combustion toward a validation of burning protocol
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Author:
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Pastor Ferrer, Elsa; Pérez, Yolanda; Planas Cuchi, Eulàlia; Agueda Costafreda, Alba; Miralles, Marta
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Other authors:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Química; Universitat Politècnica de Catalunya. CERTEC - Centre d'Estudis del Risc Tecnològic |
Abstract:
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Smoulderingcombustioninburningpileswasexperimentallyinvestigatedbystudyingtemperature
changes insixpilesof2mofdiameterofcuttingdebrisofhazel(Corylusavellana) forthreedaysafter
extinction.ThepilesweremonitoredusinganIRcameraandK-typethermocouples.Theexperiment
wasdesignedinordertostudyhowthemaximumtemperatureofthecharcoalmightbeinfluencedby
the individualandinteractioneffectsofboththequalityofextinctionandtheelapsedtimeuntilthe
start ofextinctionofthepiles.Thepilesthatwereproperlyextinguished(i.e.usingahigh-pressure,
homogeneouslydistributedwaterflowof50l/minfor4min)hadauniformtemperatureprofileanddid
not havesignificanthotspots.Thetemperaturereachedequilibriumwiththeenvironmentinlessthan
10hafterextinction.Incontrast,asmoulderingfrontmovedthroughoutthepoorlyextinguishedpiles,
which hadawidetemperaturedistributionandhotspotsofupto700 1C. Asimulationofwindy
conditionsafterthreedaysofexperimentsonapoorlyextinguishedpileshowedthatthereactivationof
charcoal combustionwaspossible.Itgaveahigh-riskscenariotocauseawildfire,withhotsmouldering
embersbeingtransportedbywindflow.Theresultsareofinteresttoimprovepileburningprotocolsso
that thenumberofwildfirescausedbysuchpracticesmaybereduced. |
Abstract:
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Peer Reviewed |
Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria química::Impacte ambiental -Forest fires--Prevention and control. -Incendis forestals -- Prevenció i control |
Rights:
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Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Document type:
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Article - Published version Article |
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