Ethanol as an additive fuel for diesel engines
2011
Olt, J., Estonian Univ. of Life Sciences, Tartu (Estonia) | Mikita, V., Estonian Univ. of Life Sciences, Tartu (Estonia) | Ilves, R., Estonian Univ. of Life Sciences, Tartu (Estonia) | Kuut, A., Estonian Univ. of Life Sciences, Tartu (Estonia)
The article presents the test results obtained when using ethanol made of local lignocellulose raw materials as additive fuel for diesel engines. It studies potential methods of mixture formation and ratios of different fuel-air mixtures. The results are evaluated by comparing the output parameters and indicator indexes gained by the motor-method. The article presents maximum consumption of ethanol as additive fuel required for the diesel engine to operate and points out the changes in effective indexes arising from the use of air-fuel mixture. The authors of the article provide an innovative solution for using a dual feeding system: main fuel supply system, which ensures the injection of base fuel, and auxiliary fuel-supply system, which ensures management of various ethanol-fuel mixtures according to the load mode of the engine. This solution ensures good engine starting and operation in a wide range of operating-speed. The article provides test methods suitable for using ethanol as fuel and the test results achieved.
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