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Behavior of Adhering Fuel on Cold Combustion Chamber Wall in Direct Injection Diesel Engines
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English
Abstract
In a direct injection (D.I) diesel engine with high efficiency, the blue and white smoke (cold smoke) exhaust at cold starting and warming-up are unsolved problems in the development of small D.I diesel engines. In this experiment, the fuel adhering on the combustion chamber wall, and which influences the cold smoke, was measured on a special engine which can be stopped immediately after a single injection.
It is found that 30-40% of the injected fuel remained on the combustion chamber wall after burning at low compression ratios and under low temperature conditions.
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Citation
Tsunemoto, H., Yamada, T., and Ishitani, H., "Behavior of Adhering Fuel on Cold Combustion Chamber Wall in Direct Injection Diesel Engines," SAE Technical Paper 861235, 1986, https://doi.org/10.4271/861235.Also In
References
- Takahashi H. Matsunuma A. “Improved Cold Startability of Emission Controlled Heavy Duty D.I. Diesel Engine” JSAE Review 15 1984
- Kobayashi A. et. al. “Analysis of Cold Start Combustion in a Direct Injection Diesel Engine” SAE paper 840106 1984
- Springer K. J. Baines T. M. “Emissions from Diesel Versions of Production Passenger Cars” SAE paper 770818 1977