This content is not included in your SAE MOBILUS subscription, or you are not logged in.
The Effect of a Turbocharger Clearance Control Coating on the Performance and Emissions of a 2-Stroke Diesel Engine
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 25, 1999 by SAE International in United States
Annotation ability available
Extensive efforts are being made to improve emissions from 2-stroke diesel engines. These improvements are primarily directed towards older model year engines with relatively high emissions compared with modern diesel engines. While most researchers focus their attention on engine design changes that promise substantial emission improvements, this work dealt with the turbocharger characteristics, especially as related to using internal coatings on both the compressor and turbine housings.
Two identical turbochargers were tested on a Detroit Diesel 6V-92TA engine. One of the two turbochargers was left in its production configuration while the other was coated with a clearance control coating on the inside of the compressor and turbine housings. This coating led to a significant reduction in the tip clearance of both the compressor and turbine wheels. Testing was conducted at steady-state as well as transient conditions, to evaluate the effect of this coating on performance and emission characteristics of the test engine. An oxidation catalyst was also tested in conjunction with both turbochargers. Results of this work are presented in this paper, and show the superior performance of the coated turbocharger.
|Technical Paper||Development of VFT (Variable Flow Turbocharger)|
|Technical Paper||Diesel Engine Turbocharger Performance Monitoring Using Vibration Analysis|
CitationSharp, C., Khair, M., and Gorel, A., "The Effect of a Turbocharger Clearance Control Coating on the Performance and Emissions of a 2-Stroke Diesel Engine," SAE Technical Paper 1999-01-3665, 1999, https://doi.org/10.4271/1999-01-3665.
- Internal Combustion Engine Fundamentals Heywood John B. “Relationships Between Performance Parameters,” “Supercharging and Turbocharging.”
- Internal Combustion Engines Obert Edward F. 3rd “Variable-Speed Test with SI and CI Engines,” 50 54 465
- Introduction to Internal Combustion Engines Stone Richard 2nd “Radial Flow and Axial Flow Machines,” 328
- Turbocharging the Internal Combustion Engine Watson N. Janata M. S. “Compressor and Turbine Efficiencies.”
- Validation and Qualification of Direct Filter Injection Gas Chromatography Procedure for Diesel Particulate Analysis Newkirk M.