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Comparison of Numerical Results and Experimental Data on Emission Production Processes in a Diesel Engine
Technical Paper
2001-01-0656
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE 2001 World Congress
Language:
English
Abstract
Simulations of DI Diesel engine combustion have been performed using a modified KIVA-II package with a recently developed phenomenological soot model. The phenomenological soot model includes generic description of fuel pyrolysis, soot particle inception, coagulation, and surface growth and oxidation. The computational results are compared with experimental data from a Cummins N14 single cylinder test engine. Results of the simulations show acceptable agreement with experimental data in terms of cylinder pressure, rate of heat release, and engine-out NOx and soot emissions for a range of fuel injection timings considered. The numerical results are also post-processed to obtain time-resolved soot radiation intensity and compared with the experimental data analyzed using two-color optical pyrometry. The temperature magnitude and KL trends show favorable agreement. Then, simulation results have been visualized to present spatial distributions of temperature, fuel vapor, precursors, growth species, soot, and NOx. This visual interpretation of the model predictions is consistent with the experimental observations of Diesel spray combustion reported by Dec in 1997.
Authors
- Hajime Ishii - Traffic Safety and Nuisance Research Institute Ministry of Land, Infrastructure and Transport
- Yuichi Goto - Traffic Safety and Nuisance Research Institute Ministry of Land, Infrastructure and Transport
- Matsuo Odaka - Traffic Safety and Nuisance Research Institute Ministry of Land, Infrastructure and Transport
- Andrei Kazakov - Princeton University
- David E. Foster - University of Wisconsin - Madison
Citation
Ishii, H., Goto, Y., Odaka, M., Kazakov, A. et al., "Comparison of Numerical Results and Experimental Data on Emission Production Processes in a Diesel Engine," SAE Technical Paper 2001-01-0656, 2001, https://doi.org/10.4271/2001-01-0656.Also In
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