5Turner J, Popplewell A, Patel R, et al. Ultra boost for economy: extending the limits of extreme engine downsizing[J]. SAE Int J Engines, 2014, 7(1): 387-417; doi: 10.427112014-01-1185.
6Gallon E, Fontana G, Palmaccio R. Effects of exhaust gas recycle in a downsized gasoline engine[J]. Appl Energy, 2013,105: 99- 107; doi: 1O.1016/j.apenergy.2012.12.046.
7Takahashi D, Nakata K, Yoshihara Y, et al. Combustion development to achieve engine thermal efficiency of 40% for hybrid vehicles[R]. SAE Tech Paper, 2015-01-1254, 2015; doi: 10.427112015-01-1254.
8Huang C C, Shy S S, Liu C C, et al. A transition on minimum ignition energy for lean turbulent methane combustion in flamelet and distributed regimes[J]. Proc Combustion Inst, 2007,31(1): 1401-1409; doi: 10.IOJ6/j.proci.2006.08.024.
9Irntenan S, Varman M, Masjuki H H, et al. Impact of low temperature combustion attaining strategies on diesel engine emissions for diesel and biodiesels: a review[J]. Energy Convers Manage, 2014, 80: 329-356; doi:IO.lOI6/j.enconman.2014.01.020.
10Kumar R, ZHENG Ming. Fuel efficiency improvements of low temperature combustion diesel engines[R]. SAE Tech Paper, 2008-01-0841, 2008; doi: 10.427112008-01-0841.
