Experimental analysis of performance of diesel engine fuelled by biofuel made from waste vegetable oil

Q3 Engineering

Acta Periodica Technologica Pub Date : 2022-01-01 DOI:10.2298/apt2253025k

Anil Kumar, R. Patel, Anshul Yadav

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Abstract

Increasing air pollution is one of the significant problems globally, especially in developing countries that are caused mainly by exhaust emissions from motor vehicles. This study aims to analyse the performance of a diesel engine using biodiesel as fuel and compare it with pure diesel oil. In the present study, biodiesel was produced from waste vegetable oil. The transesterification was performed with methyl alcohol in the presence of catalyst potassium hydroxide. Blends B10 and B20 were made by mixing pure diesel and biodiesel fuel. Various parameters such as brake specific fuel consumption, brake thermal efficiency, mass flow rate, and brake power were calculated. At 5 kg load, the brake thermal efficiency for B10 was higher compared to pure diesel and B20 by 13.72% and 10.02 %, respectively, while the fuel consumption time was 2.35 % and 3.56 % more than pure diesel for B10 and B20, respectively. At no-load conditions, the fuel consumption rate for B10 was maximum, 5.17 % and 12.38 % more than that of B20 and pure diesel, respectively. Thus, without compensating for the power and brake thermal efficiency, vegetable oil-based biodiesel and its blends can be used in CI diesel engines as an alternative fuel.

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废植物油生物燃料对柴油机性能的试验分析

日益严重的空气污染是全球性的重大问题之一，特别是在发展中国家，主要是由机动车辆的废气排放造成的。本研究旨在分析使用生物柴油作为燃料的柴油发动机的性能，并将其与纯柴油进行比较。本研究以废植物油为原料制备生物柴油。在氢氧化钾催化剂的存在下，用甲醇进行酯交换反应。B10和B20是由纯柴油和生物柴油混合制成的。计算了制动比油耗、制动热效率、质量流量、制动功率等参数。负载5 kg时，B10的制动热效率分别比纯柴油和B20高13.72%和10.02%，油耗时间分别比纯柴油高2.35%和3.56%。空载工况下，B10的燃油消耗率最大，分别比B20和纯柴油高5.17%和12.38%。因此，在不补偿动力和制动热效率的情况下，植物油基生物柴油及其混合物可以作为替代燃料用于CI柴油机。

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