4Ogawa H, Noboru M, Shimizu H, et al. Characteris- tics of diesel combustion in low oxygen mixtures with ul- tra-high EGR [C]. SAE Paper 2006-01-1147, 2006.
5Leermakers C, Luijten C, Somers L, et al. Experimen- tal study of fuel composition impact on PCCI combustion in a heavy-duty diesel engine [C]. SAE Paper 2011-01- 1351, 2011.
6Musculus M. Multiple simultaneous optical diagnostic imaging of early-injection low-temperature combustion in a heavy-duty diesel engine[C]. SAE Paper 2006-01- 0079, 2006.
7Shimazaki N, Tsurushima T, Nishimura T. Dual mode combustion concept with premixed diesel combustion by direct injection near top dead center[C]. SAE Paper 2003-01-0742, 2003.
8Kitabatake R, Shimazaki N, Nishimura T. Expansion of premixed compression ignition combustion region by supercharging operation and lower compression ratio pis- ton [C]. SAE Paper 2007-01-3614, 2007.
9Kimura S, Aoki O, Ogawa H, et al. New combustion concept for ultra clean and high-efficiency small DI die- sel engines EC]. SAE Paper 1999-01-3681, 1999.
10John E D. Advanced compression-ignition engines- understanding the in-cylinder processes [J]. Proceedings of the Combustion Institute, 2009, 32 (2) : 2727-2742.