A Comparative Study of Fuel Filterability, Performance, and Emission Characteristics in CI Engine Fuelled with a Dual Biodiesel Mixture Blended with Conventional Diesel

IF 0.8 4区工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY Solid Fuel Chemistry Pub Date : 2024-01-15 DOI:10.3103/S0361521923070066

B. Musthafa, M. A. Asokan

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Abstract

Biodiesels are widely recognized as a leading choice among the alternative options to traditional petrodiesel fuel due to their significant technical and economic advantages. The transesterification process was utilized to prepare biodiesel from palm and prosopis juliflora oil, using NaOH as the catalyst and methanol as the alcohol in this particular experiment. Palm and juliflora biodiesel mixture was prepared as PJ0, PJ20, PJ40, PJ60, PJ80 and PJ100 by weight percentage (0, 20, 40, 60, 80, and 100%). Based on the physio-chemical properties, PJ60 (B100) was selected as a superior blend and mixed with pure diesel to create different test fuels with varying biodiesel (B0, B20, B30, B40, and B100) concentrations. The experiment examined a four-stroke, single-cylinder CI engine’s fuel filterability, performance and emission characteristics. The results indicated the filter blocking tendency value of B20 as 1.36, which is in line with ASTM standard (D2068-14), also lower pressure drop and higher soaking strength among other blends. The B20 blend increased brake-specific fuel consumption by 0.27 kg/kW-h at 3.84%, and brake thermal efficiency was 32.64%, closer to neat diesel in full load. Hydrocarbon, carbon monoxide and smoke emissions of B20 blends were decreased by 2.6, 2.5, and 9.42%, respectively. Besides, NOx emission exhibited a significant increase compared to base diesel. The above results aided the conclusion that the B20 mixture holds the potential of alternate fuel for IC engines.

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使用与传统柴油混合的双生物柴油混合物的 CI 发动机燃油过滤性、性能和排放特性比较研究

摘要生物柴油因其显著的技术和经济优势，被广泛认为是替代传统汽油柴油的主要选择。本实验以 NaOH 为催化剂，甲醇为乙醇，利用酯交换反应从棕榈油和崖柏油中制备生物柴油。按重量百分比（0、20、40、60、80 和 100%）制备的棕榈和桉树生物柴油混合物分别为 PJ0、PJ20、PJ40、PJ60、PJ80 和 PJ100。根据物理化学特性，PJ60（B100）被选为优质混合燃料，并与纯柴油混合，制成不同生物柴油（B0、B20、B30、B40 和 B100）浓度的试验燃料。实验考察了四冲程单缸 CI 发动机的燃油过滤性、性能和排放特性。结果表明，B20 的滤清器阻塞倾向值为 1.36，符合 ASTM 标准（D2068-14），与其他混合物相比，压降更低，浸泡强度更高。在 3.84% 的比例下，B20 混合燃料的制动油耗增加了 0.27 kg/kW-h，制动热效率为 32.64%，更接近满负荷时的纯柴油。B20 混合物的碳氢化合物、一氧化碳和烟的排放量分别减少了 2.6%、2.5% 和 9.42%。此外，与基本柴油相比，氮氧化物的排放量明显增加。上述结果有助于得出结论，即 B20 混合物具有作为集成电路发动机替代燃料的潜力。

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来源期刊

Solid Fuel Chemistry CHEMISTRY, MULTIDISCIPLINARY-ENERGY & FUELS

CiteScore

1.10

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal publishes theoretical and applied articles on the chemistry and physics of solid fuels and carbonaceous materials. It addresses the composition, structure, and properties of solid fuels. The aim of the published articles is to demonstrate how novel discoveries, developments, and theories may be used in improved analysis and design of new types of fuels, chemicals, and by-products. The journal is particularly concerned with technological aspects of various chemical conversion processes and includes papers related to geochemistry, petrology and systematization of fossil fuels, their beneficiation and preparation for processing, the processes themselves, and the ultimate recovery of the liquid or gaseous end products.