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Effects of Ambient Gas Conditions on Ignition and Combustion Process of Oxygenated Fuel Sprays
Technical Paper
2003-01-1790
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This work presents the ignition delay time characteristics of oxygenated fuel sprays under simulated diesel engine conditions. A constant volume combustion vessel is used for the experiments. The fuels used in the experiments were three oxygenated fuels: diethylene glycol dibutyl ether, diethylene glycol diethyl ether, and diethylene glycol dimethyl ether. JIS 2nd class gas oil was used as the reference fuel. The ambient gas temperature and oxygen concentration were ranging from 700 to 1100K and from 21 to 9%, respectively. The results show that the ignition delay of each oxygenated fuel tested in this experiments exhibits shorter than that of gas oil fuel for the wide range of ambient gas conditions. Also, NTC (negative temperature coefficient) behavior which appears under shock tube experiment for homogenous fuel-air mixture was observed on low ambient gas oxygen concentration for each fuel. And at the condition, the ignition behavior exhibits two-stage phase.
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Ito, T., Ueda, M., Matsumoto, T., Kitamura, T. et al., "Effects of Ambient Gas Conditions on Ignition and Combustion Process of Oxygenated Fuel Sprays," SAE Technical Paper 2003-01-1790, 2003, https://doi.org/10.4271/2003-01-1790.Also In
References
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