Combustion Gases And Heat Release Analysis During Flame And Flameless Combustion Of Wood Pellets

Horváth Jozef (), Wachter Igor () and Balog Karol ()
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Horváth Jozef: Ing. Jozef Horváth, Ing. Igor Wachter, prof. Ing. Karol Balog, PhD. Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Safety, Environment and Quality, Paulínska 16, 917 24 Trnava, Slovak Republic
Wachter Igor: Ing. Jozef Horváth, Ing. Igor Wachter, prof. Ing. Karol Balog, PhD. Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Safety, Environment and Quality, Paulínska 16, 917 24 Trnava, Slovak Republic
Balog Karol: Ing. Jozef Horváth, Ing. Igor Wachter, prof. Ing. Karol Balog, PhD. Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Safety, Environment and Quality, Paulínska 16, 917 24 Trnava, Slovak Republic

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2015, vol. 23, issue 36, 17-24

Abstract: With the growing prices of fossil fuels, alternative fuels produced of biomass come to the fore. They are made of waste materials derived from the processing of wood and wood materials. The main objective of this study was to analyse the fire-technical characteristics of wood pellets. The study analysed three dust samples acquired from wood pellets made of various types of wood biomass. Wood pellet dust is produced when manipulating with pellets. During this process a potentially hazardous situations may occur. Biomass is chemically composed mostly of hemicellulose, cellulose and lignin. During straining of the biomass by heat flux, combustion initiation occurs. Also, there was a change in the composition of material throughout combustion gases production, and the amount of heat generated by a flame or flameless combustion. Measurement of fire characteristics was conducted according to ISO 5660-1 standard using a cone calorimeter. Two samples of wood pellet dust were tested under the heat flux of 35 kW.m−2 and 50 kW.m−2. The process of combustion, the time to ignition, the carbon monoxide concentration and the amount of released heat were observed.

Keywords: biomass; heat release rate; flame combustion; flameless combustion (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:23:y:2015:i:36:p:17-24:n:2

DOI: 10.1515/rput-2015-0002

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