316 高温雰囲気中における三次元配置燃料液滴群の燃焼挙動(OS-1 液滴群燃焼,水素燃焼,バイオディーゼル燃料,研究発表講演)

概要

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The monodispersed suspended-droplet cluster (MSDC) model with which both the droplet spacing and the initial droplet diameter were well controlled was developed, and autoignition and combustion behavior of the MSDC models in a high-temperature air were examined. The tested 3D MSDC models had the HCP (hexagonal closest packing) structure with 49 droplets or 13 droplets. Ignition delay and burning time increased with decreasing the droplet spacing, as expected. The individual flame or the group flame was formed immediately after ignition. The flame area diameter decreased and turned to increase at the beginning of the combustion for the group flame. The relative flame area diameter at the middle of the combustion increased with decreasing the droplet spacing.
社団法人日本機械学会の論文
2005-03-18