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Characterization of the combustion of biomass producer gas in a constant volume combustion bomb

In this article a methodology is presented for studying the influence of the biomass moisture content and the biomass/air ratio on the producer gas composition and on the chemiluminescent emissions during the combustion process. Firstly, a mathematical model based on the thermo-chemical processes in...

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Published in:Fuel (Guildford) 2010-03, Vol.89 (3), p.724-731
Main Authors: Tinaut, F.V., Melgar, A., Giménez, B., Reyes, M.
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Language:English
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description In this article a methodology is presented for studying the influence of the biomass moisture content and the biomass/air ratio on the producer gas composition and on the chemiluminescent emissions during the combustion process. Firstly, a mathematical model based on the thermo-chemical processes inside the gasifier is used to predict the composition of the producer gas as a mixture of CO, CO 2, H 2, N 2, CH 4 and H 2O gases. Secondly, the predicted composition is introduced into a constant volume combustion bomb (CVCB), which simulates the typical conditions inside the combustion chamber of an internal combustion engine, in order to characterize its combustion under gasoline-type conditions through the instantaneous pressure and the detection of the spontaneous luminous radiation (chemiluminescence) emitted by chemical radicals (OH* and CH*) excited by the front flame propagation. Thirdly, the pressure curve is introduced into a two-zone analysis model based on the conservation equations to determine the parameters useful for making a diagnosis of the combustion process, such as the temperature in each zone, the laminar burning velocity, the burned mass fraction and the rate of heat release during the combustion process.
doi_str_mv 10.1016/j.fuel.2009.10.006
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source ScienceDirect Journals
subjects Applied sciences
Biomass
Chemiluminescence
Energy
Energy. Thermal use of fuels
Engines and turbines
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Gasification
Internal combustion engines
Natural energy
Producer gas
title Characterization of the combustion of biomass producer gas in a constant volume combustion bomb
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