EFFECTS OF ALUMINUM PARTICLE SIZE ON COMBUSTION BEHAVIOR OF PROPELLANTS
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The effects of aluminum particle size on agglomeration situation orburning rate of aluminum powder were investigated.The experimental results and theoritical analysis indicate that the increase of aluminum particle size obviously decreases its agglomeration, but fine-grained aluminum improves its ignition and combustion characteristics.Due to the influence of aluminum particle size on thermal effect of the propellant burning surface, the burning rate decreases with the increase of aluminum particle size in low burning rate propellant,but the situation is opposite to that in high burning rate propellant.Therefore,reasonable use of aluminum particle size is very important to formulation design of solid propellants.
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李疏芬,金乐骥.铝粉粒度对含铝推进剂燃烧特性的影响[J].含能材料,1996,4(2):68-74. Li Shu-fen, Jin Le-ji. EFFECTS OF ALUMINUM PARTICLE SIZE ON COMBUSTION BEHAVIOR OF PROPELLANTS[J]. Chinese Journal of Energetic Materials,1996,4(2):68-74.