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- Title
Simulation of combustion in a porous-medium diesel engine.
- Authors
Mohammadi, Arash; Varmazyar, Mostafa; Hamzeloo, Reza
- Abstract
The future internal-combustion (IC) engines should have minimum emissions level under lowest feasible fuel consumption. This aim can be achievable with a homogeneous combustion process in diesel engines. We used a porous medium (PM) to homogenize the combustion process. This research studies simulation of a direct-injection diesel engine, equipped with a chemically inert hemispherical PM. Methane is injected into a hot PM, assuming mounted up the cylinder in head. Combustion with lean mixture occurs inside PM. A numerical model of PM engine was carried out using a modified version of the KIVA-3V code. PM results were evaluated with experimental data of unsteady combustion-wave of methane in a porous tube. The results show the mass fraction of methane, CO, NO and temperature in solid and gas phases of the PM and in-cylinder fluid. Also presented are the effects of injection timing and compression ratio on combustion.
- Subjects
DIESEL motor combustion; INTERNAL combustion engine combustion; METHANE as fuel; DIESEL motor exhaust gas; FUEL injection systems in diesel automobile engines
- Publication
Journal of Mechanical Science & Technology, 2018, Vol 32, Issue 5, p2327
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-018-0444-x