Modeling the origins of combustion noise in the indirect injection diesel engine
- Loughborough Univ. of Technology (United Kingdom)
The Computational Fluid Dynamics (CFD) Code KIVA II has been applied to model combustion pressure oscillations in the Indirect Injection Diesel Engine. These oscillations are attenuated and transmitted by the engine structure to the surroundings as noise. The computational model was used to evaluate changes in design and operating characteristics of an engine, and the effect of these on the intensity of gas pressure oscillation. The results in general corroborate the trends of published experimental measurements of combustion noise. A 40% increase in grid resolution showed minor changes in the magnitude of cylinder pressure oscillation and approximately 0.5{degree} crank angle phase advance in the oscillation cycle compared with the grid used for the results presented here. 18 refs., 18 figs.
- OSTI ID:
- 186855
- Report Number(s):
- CONF-9510144-; ISBN 1-56091-707-5; TRN: IM9609%%127
- Resource Relation:
- Conference: International fuels and lubricants meeting and exposition, Toronto (Canada), 16-19 Oct 1995; Other Information: PBD: 1995; Related Information: Is Part Of Modeling in diesel and SI engines. SP-1123; PB: 223 p.
- Country of Publication:
- United States
- Language:
- English
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