Effect of Heat Recirculation in Biomass Flame Stability within aCylindrical Micro-Combustor
Publish Year: 1393
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-28-3_016
تاریخ نمایه سازی: 4 خرداد 1395
Abstract:
Flame stability inside a cylindrical micro-combustor was studied. Considering the occurrence of heatrecirculation, the respective relations were written; with parameters such as motion speed of reactants,flame propagation speed and thermal conductivity of the combustor wall. The flame stability as well asits location inside the micro-combustor were also studied. It was found that for each thermalconductivity of the combustor wall, there was only one point inside the micro-combustor. If the flamewas formed in that point, it would remain stable inside the micro-combustor. It was also found that foreach thermal conductivity of the combustor wall, the flame inside the combustor remained stable, onlyin one specified range of motion speed of the reactants. In addition, blow-off limits were obtained forhigh and low speeds of reactants inside the combustor for different values of thermal conductivity ofthe combustor wall
Keywords:
Analytical ModelHeat RecirculationWood ParticlesBurning VelocityBlow-Off Limits
Authors
M. Bidabadi
Combustion Research Laboratory, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
M.J Noroozi
Departmnet of Mechanical Engineering, University of Ayatollah ozma Boroujerdi, Boroujerd, Iran