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Combustion Behaviors Under Accelerating Operation of an IDI Diesel Engine
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English
Abstract
In a four-cycle, naturally aspirated, pre-chamber diesel engine, the combustion characteristics such as the rates of fuel injection, the ignition lag, the rates of heat release, the combustion peak pressure, the maximum rates of pressure rise, and the smoke density, were investigated for over 70 consecutive cycles under acceleration, with the aid of an on-line data handling system developed for this experiment.
The effects of operating conditions such as the fuel injection timing, the fuel spray angle, the wall temperature of the combustion chamber, and the coolant temperature, on the combustion characteristics were also investigated.
As a result, it was clarified that the fuel injection timing as well as the coolant temperature were important factors for improving the acceleration; the combustion characteristics during the acceleration except for the time just after the beginning of acceleration were estimated from the data obtained for steady-state operation corresponding to acceleration.
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Citation
Murayama, T., Miyamoto, N., Tsuda, T., Suzuki, M. et al., "Combustion Behaviors Under Accelerating Operation of an IDI Diesel Engine," SAE Technical Paper 800966, 1980, https://doi.org/10.4271/800966.Also In
New Diesel Engines, Combustion, and Emissions Research in Japan
Number: SP-0468; Published: 1980-09-01
Number: SP-0468; Published: 1980-09-01
References
- Winterbone D. E. et. al. “A Comparisons between Experimental and Analytical Transient Test Results for a Turbocharged Diesel Engine” PIME 190 20 76 1976
- Okazaki T. et. al. “Dynamic Characteristics of Marine Diesel Engine” Bulletin of the JSME 40–337 1974
- Marzouk M. et. al. “Some Problems in Diesel Research with Special References to Computer Control and Date Acquisition” PIME 190 23 76 1976
- Sawa N. et. al. “A Study on Dynamic Characteristics of Small Two-Stroke-Cycle Diesel Engine” Trans. of the JSME, 40–333 1974
- Meggyes A. “Beitrag zum Emissionverhalten von Dieselmotoren bei instationären Betrieb” MTZ 36 1975