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High EGR Rate, Lean TRF-air Turbulent Combustion with Tumble Flow in a Constant Volume Vessel
Technical Paper
2019-01-2345
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
To investigate the flame characteristics under a high efficiency spark ignition engine condition, a direct numerical simulation (DNS) of forced ignition of premixed mixtures in a constant volume vessel with a tumble flow has been performed for a lean Toluene Reference Fuel (TRF)-air mixture at a high exhaust gas recirculation (EGR) rate at high pressure. After a certain time, separated reaction region is observed. It is found that flame characteristics just after the ignition region are close to the corresponding laminar flame and flame characteristics of separated reaction region are different from laminar flame.
Authors
- Takahiro Konagamitsu - Department of Mechanical Engineering, Tokyo Institute of Tec
- Yuki Minamoto - Department of Mechanical Engineering, Tokyo Institute of Tec
- Masayasu Shimura - Department of Mechanical Engineering, Tokyo Institute of Tec
- Mamoru Tanahashi - Department of Mechanical Engineering, Tokyo Institute of Tec
Topic
Citation
Konagamitsu, T., Minamoto, Y., Shimura, M., and Tanahashi, M., "High EGR Rate, Lean TRF-air Turbulent Combustion with Tumble Flow in a Constant Volume Vessel," SAE Technical Paper 2019-01-2345, 2019, https://doi.org/10.4271/2019-01-2345.Also In
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