Experimental study on the effects of camphor ethanol petrol blends in a spark ignition engine: performance and emissions analysis

Sankar Shanmugasundaram, Praveen Maruthur, M. Kumaresan, P. AbhilashO., K. AkhilDas, Abdul Maluf
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引用次数: 3

Abstract

This paper discusses a detailed study on the performance of a SI engine fuelled with camphor-ethanol-petrol blends. In this study, a mixture consists of camphor and ethanol in weight percentage (20:80) was blended with petrol in three different ratios: 10%, 20% and 30%. A performance test was conducted in the SI engine at constant speed with varying torque using an eddy current dynamometer in order to evaluate the performance between the blended fuel and the sole fuel, such as brake power, specific fuel consumption, brake thermal efficiency and volumetric efficiency, among others. The study also includes viscosity measurements from a redwood viscometer, Calorific value measurements from a bomb calorimeter, density calculations and exhaust emission tests in a four gas analyser for both blended fuels as well as for pure petrol. It is inferred from the study that lesser specific fuel consumption, less emissions due to complete combustion of air fuel mixture and maximum volumetric efficiency were achieved in the blended fuel that results in efficient working of the spark ignition engine with less pollution. The main objective of this study is to increase the performance of SI engines, to reduce the emission rate and minimize the specific fuel consumption with the blended fuel to make the planet greener. KeywordsCamphor and ethanol mixture; Petrol; Spark ignition engine; Performance test; Exhaust emission test
樟脑乙醇汽油混合燃料在火花点火发动机中的试验研究:性能和排放分析
本文详细研究了以樟脑-乙醇-汽油混合物为燃料的SI发动机的性能。在这项研究中,由樟脑和乙醇组成的混合物以重量百分比(20:80)与汽油以三种不同的比例混合:10%,20%和30%。为了评估混合燃料和单一燃料之间的性能,例如制动功率、比油耗、制动热效率和容积效率等,使用涡流测功机在SI发动机上进行了恒速变扭矩的性能测试。该研究还包括红木粘度计的粘度测量,炸弹量热计的热值测量,密度计算以及混合燃料和纯汽油的四气体分析仪的废气排放测试。通过研究可知,混合燃料的比油耗更低,空气燃料混合气燃烧完全排放更少,体积效率最高,从而使火花点火发动机工作效率更高,污染更少。本研究的主要目的是提高SI发动机的性能,降低排放率,最大限度地减少混合燃料的特定燃料消耗,使地球更环保。樟脑与乙醇混合物;汽油;火花点火发动机;性能测试;废气排放试验
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