Analysis of the Combustion Process of a Compression Ignition Engine Running on Diesel and Natural Gas
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Compression ignition (CI) engines, although significantly contribute to environmental pollution, are still widely used in transport sector. In order to reduce usage of fossil fuels and environmental pollution, but at the same time run CI engines in transport, use of alternative energy sources must be increased. One way to achieve this goal is to use natural gas (NG) in CI engines. Natural gas is relatively inexpensive also extracted in many parts of the world and can be used as the main fuel in CI engines. This article examines natural gas and diesel blends combustion characteristic after experimental research and numerical modelling in AVL BOOST software. The influence of natural gas concentration on combustion parameters was determined by changing the gas mass fraction in fuel mixture from 0% to 80%.
KeywordsCompression ignition engines Diesel Natural gas Combustion parameters
The results of the research, were obtained by using a virtual internal combustion engine simulation tool AVL BOOST, acquired by signing the Cooperation Agreement between AVL Advanced Simulation Technologies and Faculty of Transport Engineering of Vilnius Gediminas Technical University.
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