Effect Of Air Arrangement On Wood Combustion Through CFD

Abdul Fattah , Mohd Tahir (2008) Effect Of Air Arrangement On Wood Combustion Through CFD. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Gasification is a process that makes a fuel from organic materials such as biomass by heating them under carefully temperature, pressure and atmospheric conditions. The project is about the adjustment of air arrangement of nozzle of updraft gasifier using FLUENT software. Using the typical design of gasifier, the model is produced in 3-Dimensional to obtained better result and analysis. Gambit software was used as a designing tool before exporting it to the FLUENT software. This project was done to reduce the emission produce gases especially methane (CH4) and carbon monoxide (CO). Two design of gasifier are design with different arrangement to obtained better result. Using FLUENT software to calculate the result and emission inside the gasifier after combustion. The result obtained show that the proposed design able to reduce the emission in term carbon monoxide (CO) that is 260 ppm and methane (CH4) that is 29.9 ppm. The temperature obtained also show increment that is 1017oC at the exhaust outlet. The error obtained shows that decrement in all aspect that is 68.3% for carbon monoxide, 67.5% for methane and 52.7% for temperature. Finally, future investigation is also suggested in this study for more accurate result using computational fluid dynamic (CFD) software.

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