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Response of an Engine to Biofuel Ethanol Blends

机译:发动机对生物燃料乙醇混合物的响应

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摘要

Fuel mixtures like ethanol-diesel blend, diesel-vegetable oil, alcohol-vegetable oil, alcohol-diesel-vegeta-ble oil, ester of vegetable oil-diesel are used as fuel for Compression Ignition (CI) engines. Vegetable and rice bran oil are also being used satisfactorily for partial replacement of the diesel fuel. In the present study, the performance of CI engine fuelled by Rice bran oil methyl ester ethanol blends was evaluated and compared with diesel. Increase in proportion of ethanol in blends decreased the emission of exhaust gases. The engine produced almost similar power on all the fuel blends and its brake thermal efficiency was higher on blended fuel. Though at higher percentage of ethanol, the blends had more brake specific fuel consumption but at the same time the thermal efficiency also increased with increase in ethanol percentage. The experimental results proved that the use of ethanol blended biodiesel in compression ignition engines is a viable alternative to diesel.
机译:混合燃料,如乙醇-柴油混合物,柴油-植物油,酒精-植物油,醇-柴油-植物油,植物油-柴油的酯,用作压缩点火(CI)发动机的燃料。蔬菜和米糠油也令人满意地用于部分替代柴油。在本研究中,评估了米糠油甲基酯乙醇混合物为燃料的CI发动机的性能,并将其与柴油进行了比较。掺混物中乙醇比例的增加减少了废气的排放。发动机对所有混合燃料产生几乎相同的功率,混合燃料的制动热效率更高。尽管在乙醇百分比较高的情况下,共混物的刹车油耗更高,但同时热效率也随着乙醇百分比的增加而提高。实验结果证明,在压燃发动机中使用乙醇混合生物柴油是柴油的可行替代方案。

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