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Basic Study and Engine Trial on Diesel NOx Reduction by Controlling Mixing
Technical Paper
2007-01-1846
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper investigates the effect of enhancing mixing of spray tip region on NOx reduction from diesel engines. The concept is based on the fact that dominant part of NOx formation is the flame tip region with weak mixing intensity. Two methods to realize our concept were attempted in a constant volume combustion bomb and in an actual diesel engine. One is the two-stage injection and another is the method with a jet created by combustion of premixed charge in a turbulence cell. The paper presents results of variety trials of experiment, and it discusses necessary means to achieve the concept.
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Citation
TABE, Y. and CHIKAHISA, T., "Basic Study and Engine Trial on Diesel NOx Reduction by Controlling Mixing," SAE Technical Paper 2007-01-1846, 2007, https://doi.org/10.4271/2007-01-1846.Also In
References
- Chikahisa, T. Konno, M. Murayama, T. 1995 Analysis of NO Formation Characteristics and Control Concepts in Diesel Engine from NO Reaction-Kinetic Considerations SAE paper: 950215 1 8
- Kaneko, T. et al. 2004 NOx Reduction in Diesel Combustion by Enhanced Mixing of Spray Tip Region COMODIA (CD-ROM)
- Fujii, T. et al. 2005 NOx Emission Reduction by Increased Mixing of Spray Tip Region in Diesel Flames 6th KSME-JSME Thermal & Fluids Engineering Conference (CD-ROM)