Influences of a novel pre-chamber design on the performance and emission characteristics of a spark ignition engine fuelled with natural gas

Çakır M., Gonca G.

International Journal of Global Warming, vol.31, no.1, pp.68-81, 2023 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 31 Issue: 1
  • Publication Date: 2023
  • Doi Number: 10.1504/ijgw.2023.133209
  • Journal Name: International Journal of Global Warming
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, CAB Abstracts, INSPEC, Veterinary Science Database, Civil Engineering Abstracts
  • Page Numbers: pp.68-81
  • Keywords: lean burn engine, natural gas, pre-chamber design, two-zone combustion mode
  • Yıldız Technical University Affiliated: Yes

Abstract

The effects of a novel pre-combustion chamber design on engine efficiency and emission characteristics were investigated at full and partial loads in the presented experimental and computational study. The original engine was converted to a pre-combustion chambered engine by modifying the cylinder head. Also, a combustion simulation model was developed for the spark ignition engine with pre-combustion chamber and fuelled with natural gas. The experimental performance data of the engine with pre-combustion chamber was compared to theoretical data obtained by using a combustion model. Maximum difference between the experimental results and model data was found lower than 10%. Moreover, it has been observed that the pre-chamber engine is more efficient at low loads and speeds.