Combustion and emissions of a diesel engine fuelled with n-buanol/diesel and iso-butanol/diesel blends

  • Xiao Lei Gu
  • , Jian Da Yu
  • , Zuo Hua Huang
  • , Chia Fon Lee
  • , Lin Feng Hu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Combustion and emissions of a V6 diesel engine fuelled with n-butanol/diesel and isobutanol/ diesel blends at different engine speeds, EGR rates and injection timings were studied. Results show that n-butanol/diesel blends give shorter ignition delay compared with that of iso-butanol/diesel blends. Iso-butanol has higher peak cylinder pressure and premixed heat release rate than those of nbutanol. n-Butanol and iso-butanol blended in diesel can significantly reduce soot emissions. Soot emission becomes insensitive to the increase of EGR rate. Soot emission decreases more effectively fuelled with nbutanol than that fuelled with iso-butanol. Butanol blending has little effect on NOx emissions. Carbon monoxide and total hydrocarbon emissions keep a low level. Diesel engine fuelled with butanol can simultaneously reduce smoke and NOx emissions.

Original languageEnglish
Pages (from-to)131-137
Number of pages7
JournalNeiranji Xuebao/Transactions of CSICE (Chinese Society for Internal Combustion Engines)
Volume32
Issue number2
StatePublished - Mar 2014

Keywords

  • Combustion and emissions
  • Diesel engine
  • Iso-butanol/diesel
  • N-butanol/diesel
  • Soot

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