Abstract

The global issue about energy source availability and environmental problem are attractive issue to be discussed recently. These problem are related to alternative source of fuel energy supply. Mostly, the research discusses about natural gas as an alternative fuel for internal combustion because many studies concluded that its availability and environmental effect of combustion were acceptable, especially on marine diesel engine. This paper aims to analyze the implementation of Compressed Natural Gas (CNG) on four stroke diesel engine and its effect on engine performance based on experimental study. The engine is tested on five different speed, namely 1800, 1900, 2000, 2100 and 2200 rpm. The CNG quantity will be varied from 0-3 liter/minute when the engine is operated on 0-100% of engine load. The result shows that power output decrease gradually when the CNG quantity increase. However, the decreasing of power output under dual fuel mode was not significant. The increase in the amount of CNG gas injected into the combustion chamber will be followed by increasing torque .And lastly, the increasing of gas quantity in combustion chamber affect the decreasing of diesel oil consumption significantly.

Original languageEnglish
Pages (from-to)25-33
Number of pages9
JournalInternational Journal of Mechanical Engineering and Technology
Volume9
Issue number13
Publication statusPublished - Dec 2018

Keywords

  • CNG
  • Diesel Dual Fuel
  • Engine Performance

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