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首页> 外文期刊>International journal of green energy >Combustion, emission, and phase stability features of a diesel engine fueled by Jatropha/ethanol blends and n-butanol as co-solvent
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Combustion, emission, and phase stability features of a diesel engine fueled by Jatropha/ethanol blends and n-butanol as co-solvent

机译：用麻风法/乙醇共混物和正丁醇作为共溶剂燃料的燃烧，发射和相位稳定性特征

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摘要

The main challenge of utilizing ethanol in diesel engines in blending mode is the phase separation issue. Therefore, an attempt has been performed to enhance the stability feature of ethanol/Jatropha biodiesel (JME) blends by using n-butanol as co-solvent. The 10% by volume of n-butanol is added to the mixtures of 10% and 20% ethanol and 70% and 80% JME, which is denoted as JME10Bu10E and JME10Bu20E, respectively. The phase stability of the evaluated fuels is examined employing visual approach and Thermogravimetric analysis. These methods confirm that there is no phase separation for more than 2 months under ambient conditions. Then, the combustion and emission features are investigated utilizing a diesel engine run with different loads and constant speed. The findings demonstrate that the p(max.)and HRR are increased by adding ethanol. The ignition delay is extended with the addition of ethanol while the combustion period is almost the same. The bsfc is decreased by adding ethanol compared to JME fuel. The CO, UHC, and NO(x)formations are reduced markedly by 40%, 40%, and 40%, respectively, with adding ethanol. Finally, using n-butanol and JME as co-solvents with ethanol supports the growth of renewable energy in the CI engine.
机译：在混合模式下利用柴油发动机乙醇的主要挑战是相分离问题。因此，已经尝试通过使用正丁醇作为共溶剂来增强乙醇/麻风树生物柴油（JME）共混物的稳定性特征。将10重量％的正丁醇加入到10％和20％乙醇和70％和80％JME的混合物中，其分别表示为JME10Bu10e和JME10Bu20e。采用视觉方法和热重分析检查评估燃料的相位稳定性。这些方法确认在环境条件下没有2个月的相分离。然后，利用柴油发动机运行不同负载和恒定速度来研究燃烧和排放特征。研究结果表明，通过加入乙醇来增加p（最大值）和HRR。在燃烧周期几乎相同的同时，在加入乙醇延伸点火延迟。与JME燃料相比，通过加入乙醇来降低BSFC。 CO，UHC和NO（X）形成分别与加入乙醇分别明显减少40％，40％和40％。最后，使用N-丁醇和JME作为乙醇的共溶剂，支持CI发动机中可再生能量的生长。

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