Details

Autor(en) / Beteiligte

• Pastor Ferrer, Elsa
• Pérez, Yolanda
• Planas Cuchi, Eulàlia
• Agueda Costafreda, Alba
• Miralles, Marta

Titel

Pile burning of cutting debris in stands of hazel (Corylus avellana): an experimental study of smouldering combustion toward a validation of burning protocol

Erscheinungsjahr

2010

Link zum Volltext

Quelle

Access via ScienceDirect (Elsevier)

Beschreibungen/Notizen

• 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. Peer Reviewed