Ti-Al系燃焼合成の燃焼速度ならびに可燃範囲に及ぼす主要パラメータの影響(熱工学,内燃機関,動力など)

概要

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Relevant to Self-propagating High-temperature Synthesis (SHS) process for Ti-Al system, burning velocity and range of flammability are examined theoretically. Use has been made of the heterogeneous theory for the SHS flame propagation, presented in the literature. It is found that effects of particle size, mixture ratio, degree of dilution, and initial temperature on the burning velocity and/or the range of flammability are the same as those for other representative systems. It has been confirmed that even for the Ti-Al system, a parameter defined as a product of the burning velocity and the particle size can be useful in correlating experimental results for the flame propagation. It has also been confirmed that a parameter defined as the square of particle size divided by the compact diameter can be useful in correlating experimental results for the flame extinction. In addition, it has been demonstrated that a fair degree of agreement exists between theoretical results and experimental data in the literature, as far as the trend and approximate magnitude are concerned.
社団法人日本機械学会の論文
2005-12-25