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Soot Related Viscosity Increase - A Comparison of the Mack T-11 Engine Test to Field Performance
Technical Paper
2004-01-3009
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Soot related viscosity increase has been reported as a field issue in some diesel engines and this led to the development of the T-11 engine test, incorporated in the Mack EO-N Premium Plus 03 specification (014 GS 12037). This study compares T-11 laboratory engine tests and vehicle field tests and seeks to confirm the correlation between them. The findings are that the T-11 test provides an effective screening tool to investigate soot related viscosity increase, and the severity of the engine test limits gives a substantial margin of safety compared to the field. A complementary study was conducted in conjunction with this work that focuses on the successful application of electrochemical sensor technology to diagnose soot content and soot related viscosity increase. This will be the subject of a separate paper.
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Authors
Citation
Duncan, D., Rees, M., Szabo, A., and Williams, L., "Soot Related Viscosity Increase - A Comparison of the Mack T-11 Engine Test to Field Performance," SAE Technical Paper 2004-01-3009, 2004, https://doi.org/10.4271/2004-01-3009.Also In
References
- SAE 971692 George et al. Understanding soot mediated oil thickening through designed experimentation Part 3: An improved approach to drain oil viscosity measurements - rotational rheology