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Combustion and emission characteristics of isoamyl alcohol-gasoline blends in spark ignition engine

机译：火花点火发动机中异戊醇 - 汽油共混物的燃烧和排放特性

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摘要

Nowadays, the evaluation of waste products has gained importance. The fusel oil, which is obtained as a waste product in sugar factories, has a high proportion of isoamyl alcohol. Alcohols having a high-octane number give lower emission values when used as fuel. In this study, isoamyl alcohol was used at high compression ratio (CR) to improve performance and emissions in a spark ignition (SI) engine. The experiments were performed at full load, different CRs (8.0:1, 8.5:1 and 9.0:1) and different speeds (2600, 2800, 3000 and 3200 rpm) using different fuels A0 (%100 gasoline), A10 (%10 isoamyl alcohol-%90 gasoline), A20 (%20 isoamyl alcohol-%80 gasoline) and A30 (%30 isoamyl alcohol-%70 gasoline). According to the obtained results, exhaust emissions decreased with using of isoamyl alcohol compared the using of gasoline at all CRs. With the use of A30, carbon monoxide (CO), nitrogen oxides (NOx) and hydrocarbon (HC) emissions decreased by approximately 12.2%, 35.6% and 6.45%, respectively compared to gasoline. The cylinder gas pressures (CGP) and heat release rates (HRR) were recorded for each CR and fuel blend. Moreover, by increasing the CR, brake thermal efficiency (BTE) increased about 2.67% with A20 compared to gasoline on 9.0:1 CR. Furthermore, torque and effective power also increased by 2.03% and 2.51% with A20, respectively.
机译：如今，废物产品的评价已成为重要性。作为糖工厂中的废品获得的熔丝油具有高比例的异戊醇。当用作燃料时，具有高辛烷值的醇使排放值较低。在该研究中，在高压缩比（CR）下使用异戊醇以改善火花点火（Si）发动机中的性能和排放。使用不同燃料A0（％100汽油），A10（％10异戊酯 - ％90汽油），A20（20个异戊醇醇-％80汽油）和A30（％30异烷基醇 - ％70汽油）。根据所得的结果，使用异戊醇比较所有Crs的汽油的使用减少了废气排放。通过使用A30，与汽油相比，通过使用A30，一氧化碳（CO），氮氧化物（NOx）和烃（HC）排放量分别降低约12.2％，35.6％和6.45％。为每个Cr和燃料混合物记录气缸气压（CGP）和热释放速率（HRR）。此外，通过增加Cr，与汽油上9.0：1 Cr的汽油相比，制动热效率（BTE）增加约2.67％。此外，扭矩和有效功率也分别增加了2.03％和2.51％，A20分别为A20。

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