E223 レーザ計測によるディーゼル排出黒煙の特性化(計測2)
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概要
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TEM photographs of diesel soot particles, i.e., aggregates sampled from two 3 liter diesel engines were analyzed. The photographs show that particles sampled from 1998 model year engine have chain-like shapes, while those from 2004 model year engine have spherical shapes. The mean radius of gyration of soot aggregates, Rg, was measured by a laser-scattering method. The result show that Rg increases with the increase in soot mass concentration, probably due to the increased collision frequency.
- 社団法人日本機械学会の論文
- 2006-11-23