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Development of an Exhaust Thermal Enhancer™ Using an Airless Nozzle Fuel System
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 12, 2011 by SAE International in United States
Annotation ability available
This paper describes the development of an exhaust Thermal Enhancer™ using an airless nozzle fuel system. The purpose of the Thermal Enhancer™ is to increase diesel engine exhaust gas temperatures to a level where catalytic heating can be used for Diesel Particulate Filter regeneration. The system can also be used to achieve adequate temperatures for NOx reduction, employing techniques such as Selective Catalytic Reduction.
The Thermal Enhancer™ is used to increase exhaust gas temperatures at conditions that would otherwise be too cold for effective catalyst operation. These conditions include idle and low-load operation. The airless-nozzle fuel system is necessary for engines that do not have a compressed-air system.
Performance data, including hydrocarbon slip as a function of Thermal Enhancer™ outlet temperature are presented at steady state conditions. Pressure loss as a function of engine speed indicates it is less than 1 kPa at the maximum exhaust flow rate. Thermal Enhancer™ outlet temperature as a function of engine speed is greater than 300°C across the engine map. Data are measured from an engine test cell configuration.
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- Philip Dimpelfeld - Faurecia Emissions Control Technologies
- Nik Birkby - Faurecia Emissions Control Technologies
- Sam Crane - Faurecia Emissions Control Technologies
- Wil Crawley - Faurecia Emissions Control Technologies
- Navin Khadiya - Faurecia Emissions Control Technologies
- Zhiwei Yang - Faurecia Emissions Control Technologies
CitationDimpelfeld, P., Birkby, N., Crane, S., Crawley, W. et al., "Development of an Exhaust Thermal Enhancer™ Using an Airless Nozzle Fuel System," SAE Technical Paper 2011-01-1132, 2011, https://doi.org/10.4271/2011-01-1132.
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