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Fundamental Study of Oxidation in a Lean Thermal Reactor
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English
Abstract
The oxidation mechanism in a lean thermal reactor was studied with a number of basic experiments. It depends neither on engine speed nor airflow rate, but only on the residence time of the gas. It was shown that in a lean thermal reactor CO first increases by an HC→CO reaction and then decreases by a CO→CO2 reaction.
The effect of NO on oxidation was also studied, and it was concluded that oxidation is affected by NO and that there exists a certain NO concentration which most accelerates oxidation.
Authors
- Yasuo Sakai - Central Engineering Laboratories, Nissan Motor Co., Ltd. (Japan)
- Yasuhiko Nakagawa - Central Engineering Laboratories, Nissan Motor Co., Ltd. (Japan)
- Shoji Tange - Central Engineering Laboratories, Nissan Motor Co., Ltd. (Japan)
- Ryuzaburo Maruyama - Central Engineering Laboratories, Nissan Motor Co., Ltd. (Japan)
Citation
Sakai, Y., Nakagawa, Y., Tange, S., and Maruyama, R., "Fundamental Study of Oxidation in a Lean Thermal Reactor," SAE Technical Paper 770297, 1977, https://doi.org/10.4271/770297.Also In
References
- Lahiff J. E. Albertson W.C. “Volume and Temperature Influences on the Effectiveness of Lean Thermal Reactor.” Paper 741168 International Stratified Charge Engine Conference Troy, Michigan October 1974
- Herrin R.J. “Lean Thermal Reactor Performance Characteristics - A Screening Study.” Paper 760319 SAE Automotive Engineering Congress and Exposition Detroit, Michigan February 1976
- Brokaw R.S. Bittker D.A. “Carbon Monoxide Oxidation Rates Computed for Automobile Exhaust Manifold Reactor Conditions.” NASA TN D-7024
- Takagi T. Fujii K. Ogasawara M. “Fundamental Studies on NO and CO Emissions and their Control in Combustion System. (3rd Report, Evaluation of the Effectiveness of a Thermal Reactor upon CO and HC (CH 4 ) Reduction).” Trans. JSME 40 337 2632 September 1974