On a Numerical Model for Gasification of Biomass Materials An Alternative Method to Combustion
محل انتشار: دومین کنفرانس احتراق ایران
سال انتشار: 1386
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,970
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شناسه ملی سند علمی:
CCI02_028
تاریخ نمایه سازی: 17 اسفند 1386
چکیده مقاله:
In this paper,a thermochemical equilibrium model is used to predict the performance of a downdraft gasifier.Numerical results are shown to be in good agreement with those of the experiments.Different biomass materials are tested using the model and forest residual is shown to be the most energetic one.For this material,the gasification temperature,syngas composition and calorific value are calculated.The effects of moisture content,air/fuel ratio,air inlet temperature and st eam/fuel ratio are also investigated.The air inlet temperature is found to be the only way to increase the gas calorific value and cold gas efficiency.The steam/fuel ratio,on the other hand,plays a key rule in controlling the gasification temperature and H2/CO ratio.
کلیدواژه ها:
Gasification-Thermochemical Equilibrium-Numerical Modeling-Renewable Energy-Biomass
نویسندگان
Mahdi Vaezi
Graduate student and corresponding author، Department of Mechanical Engineering,Ferdowsi University of Mashhad,Mashhad,IRAN
Mohammad Passandideh-Fard
University professors، Department of Mechanical Engineering,Ferdowsi University of Mashhad,Mashhad,IRAN
Mohammad Moghiman
University professors، Department of Mechanical Engineering,Ferdowsi University of Mashhad,Mashhad,IRAN