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A Modification of Combustion Systems for Low Exhaust Emission and Its Effects on Durability of Prechamber Diesel Engine
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Abstract
Described here is the tuning of the combustion systems of a precombustion chamber diesel engine for lower level of exhaust gas emission. The key points of the tuning are the decrease of the prechamber volume, the selection of the combustion chamber configuration, the injection nozzle characteristics and the optimum injection timing.
It was made clear, in the results of investigation, that the degradation of lubricating oil and the cavitation pitting on the outer wall of cylinder liner were directly concerned with the combustion characteristics of low emission systems. And both problems have been solved.
The result of combustion tuning of the engine shows less than 5 g/hp-h of NOx + HC with CARB 13 mode test cycle without deterioration of performance nor durability.
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Citation
Suzuki, T. and Usami, K., "A Modification of Combustion Systems for Low Exhaust Emission and Its Effects on Durability of Prechamber Diesel Engine," SAE Technical Paper 760213, 1976, https://doi.org/10.4271/760213.Also In
References
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