Performance and emission characteristics of a gas to liquid fuelled engine

Seang Wock Lee, Jong Choon Kim, Jeong Ho Ryu, Dong Seop Uhm, Jung Min Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The objective of the study is, through investigation of visualization and an engine test, to pursue a lower emission engine using GTL (gas to liquid) while maintaining thermal efficiency and fuel consumption. A sulphur-free (<13 ppm) diesel fuel was used as the reference fuel, and the characteristics of the GTL diesel fuel were investigated. As a physical property, the GTL fuel has approximately the same cetane value as the diesel but has low values of PAHs (polycyclic aromatic hydrocarbons), boiling point, density, viscosity, and surface tension. In visualization of spray and combustion, images were taken using a high-speed video camera and analysed by their penetration and evaporation characteristics in comparison with current diesel fuel. Also, in an engine test, a heavy-duty diesel engine which has six-cylinder 11.15 litre displacements was used to test the performance. The results showed that mixture formation of the GTL fuel is faster than that of diesel fuel, depending on the physical properties. In the engine test, a considerable reduction in PM (particulate matter) emission was observed, due to the enhanced fuel atomization and air entrainment, and a reduction in NOx emission can be achieved without deteriorating b.s.f.c. (brake specific fuel consumption).

Original languageEnglish
Pages (from-to)191-196
Number of pages6
JournalProceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
Volume221
Issue number2
DOIs
Publication statusPublished - 2007 Mar 30

Fingerprint

Diesel fuels
Liquid fuels
Engines
Liquids
Gases
Fuel consumption
Visualization
Physical properties
Air entrainment
Gas engines
Boiling point
High speed cameras
Atomization
Video cameras
Engine cylinders
Polycyclic aromatic hydrocarbons
Brakes
Surface tension
Diesel engines
Evaporation

Keywords

  • Combustion
  • Diesel engine
  • Emission
  • GTL
  • Spray
  • Visualization

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanical Engineering

Cite this

Performance and emission characteristics of a gas to liquid fuelled engine. / Lee, Seang Wock; Kim, Jong Choon; Ryu, Jeong Ho; Uhm, Dong Seop; Kim, Jung Min.

In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, Vol. 221, No. 2, 30.03.2007, p. 191-196.

Research output: Contribution to journalArticle

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