An experimental investigation of a dual-fuel engine by using bio-fuel as the additive
作者： Xiangyu Meng , Yihui Zhou , Tianhao Yang , Wuqiang Long , Mingshu Bi
DOI: 10.1016/J.RENENE.2019.10.023
关键词:
摘要: Abstract To improve the performance and emission characteristics in diesel/CNG dual-fuel combustion mode, bio-fuel of n-butanol as additive pilot fuel was investigated by sweeping a wide range CNG substitution rates. The experiments were conducted at fixed CA50s 4.5 5.5 °CA ATDC for approximately 5 bar IMEP (low load) 7.5 bar (medium load). At low load, with can shorten duration each rate, D90B10 (90% diesel/10% volume basis fuel) indicated thermal efficiency (ITE) relatively high rates reduce CO emission. D80B20 (80% diesel/20% both NOx emissions simultaneously compared to pure diesel fuel. medium ITE It also but slightly increase emissions. be found that THC are more sensitive rate. In addition, CO2 most
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