Comparison of performance and combustion characteristics of diesel fuel and vegetable oils in di diesel engine

D. F. Ruan, W. L. Cheng, C. F. Lee

Research output: Contribution to journalConference articlepeer-review

Abstract

GT-Power, an engine modeling software, is used to study the combustion characteristics of cottonseed, linseed and peanut oils in a heavy-duty direct-injection diesel engine. The fuel properties library in GT-Power is expanded to include cottonseed oil, linseed oil and peanut oil, using either theoretical methods or experimental measurements. The numerical model is calibrated with experimental data and good agreement is observed. The simulation results show that combustion characteristics and engine performances differ when vegetable oil is used instead of no. 2 diesel fuel. Raising the injection pressure significantly alters the combustion characteristics without improving the brake performances. However, higher injection pressure does reduce both NOx emission and combustion noise.

Original languageEnglish (US)
JournalSAE Technical Papers
DOIs
StatePublished - Jan 1 2008
Event2008 SAE International Powertrains, Fuels and Lubricants Congress - Shanghai, China
Duration: Jun 23 2008Jun 25 2008

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

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