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首页> 外文期刊>Energy >Quaternary blends of diesel/biodiesel/vegetable oil/pentanol as a potential alternative feedstock for existing unmodified diesel engine: Performance, combustion and emission characteristics
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Quaternary blends of diesel/biodiesel/vegetable oil/pentanol as a potential alternative feedstock for existing unmodified diesel engine: Performance, combustion and emission characteristics

机译：柴油/生物柴油/植物油/戊醇的四元混合物，可作为现有未改性柴油发动机的潜在替代原料：性能，燃烧和排放特性

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The dearth of fossil fuels and aggravation of pollution levels are key factors responsible for the search of novel alternative fuel mixture. Since late 20th century, several researches were carried out with minimized alcohol content blended with base fuel. Alcohols blended with diesel were called as binary blends while alcohols blended with biodiesel-diesel blends were called as ternary fuels. However, there is very limited work in quaternary blends (diesel-biodiesel-oil-alcohol) which aims at partially replacing fossil fuel to a greater extent. Hence, the current research work focuses on utilizing quaternary blends with varying pentanol concentration (10%-40%) with fixed concentration of oil (5%) and diesel (50%). Test fuels were experimented in a single cylinder diesel engine and the results were compared with diesel and biodiesel blends. Results were interesting as BSFC and BSEC were reduced with increasing pentanol concentration. Emission wise, HC, CO and smoke were reduced while NOx increases marginally for quaternary blends with higher pentanol concentration. Combustion characteristics revealed that 40% pentanol blending has maximized peak pressure with increased HRR and minimal CHRR. Overall, 40% pentanol addition in diesel-biodiesel-oil can be a suitable alternative fuel mix for improving the performance and minimizing the emissions with marginal compromise in NOx emissions. (C) 2019 Elsevier Ltd. All rights reserved.
机译：化石燃料的缺乏和污染水平的加剧是寻找新型替代燃料混合物的关键因素。自20世纪末以来，人们进行了几项研究，将酒精含量降至最低并与基础燃料混合。与柴油混合的醇称为二元混合物，而与生物柴油-柴油混合物混合的醇称为三元燃料。然而，四元混合物（柴油-生物柴油-油-醇）的工作非常有限，其目的是在更大程度上部分替代化石燃料。因此，当前的研究工作集中在利用戊醇浓度（10％-40％）和固定浓度的油（5％）和柴油（50％）变化的季铵盐混合物中。在单缸柴油机中对测试燃料进行了试验，并将结果与​​柴油和生物柴油混合物进行了比较。随着BSFC和BSEC随着戊醇浓度的增加而降低，结果令人感兴趣。在排放方面，对于戊烷浓度较高的季混物，HC，CO和烟气减少，而NOx略有增加。燃烧特性表明，在40％的戊醇混合中，最大峰值压力伴随着HRR的增加和CHRR的最小化。总体而言，在柴油-生物柴油中添加40％的戊醇可以作为一种合适的替代燃料混合物，以改善性能并最大程度地减少排放，同时降低NOx排放。 （C）2019 Elsevier Ltd.保留所有权利。

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