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Experimental study of the bio-additives effects in biodiesel fuel on performance, emissions and combustions characteristics of diesel engine

Nursal, Ridwan Saputra and Zali, Zakiman and Jalil, Shahril and Khalid , Amir (2017) Experimental study of the bio-additives effects in biodiesel fuel on performance, emissions and combustions characteristics of diesel engine. ARPN Journal of Engineering and Applied Sciences, 12 (6). pp. 1997-2005. ISSN 18196608

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Abstract

Biodiesel is one the most popular bio-derived fuel among the alternative fuels. The biodegradable, environmental friendly and easy resources are causing biodiesel received extra attentions by industries and researchers in addition to solve the future energy crises. Despite years of improvement, the crucial issue in using bio-derived fuels is the oxidation stability, stoichiometric, chemical composition, antioxidants on the degradation and much oxygen compared to diesel. Thus, the improvement of emissions quality from engines fuelled by biodiesel is immediately required to meet the future stringent emission regulations. Instead of using biodiesel itself, the used of biodiesel blended with additive has been experimented extensively aiming the emissions reductions and improving the engine performance. Therefore, this study was executed to analyse the effects of biodiesel mixed with bio-additives on performance, emissions and combustions characteristics of diesel engine. The division of experimental investigation comprises of 1) performance of diesel engine specifically on brake power, brake mean effective pressure and fuel consumption; 2) exhaust gas emissions focussing on CO2, NOx, HC and CO formations; and 3) combustion characteristics of fuel inside the combustion chamber. Biofuels tested in the study was derived from three different feed stocks i.e. crude palm oil (CPO), jatropha curcas oil (JCO) and waste cooking oil (WCO) at 5, 10, 15 and 20% concentration were blended with selected bio-additive namely Di Methyl Poly Siloxane (DMPS) and D20 palm oil methyl bio-additive formula. Additionally, petroleum diesel namely standard diesel (STD) was examined as well for comparison purpose. A 4-cycle YANMAR TF120ML diesel engine integrated with a 20 HP Eddy-Current dynamometer and mounted with Airrex HG-540 gas analysers are used. Outcomes of the study implied that blended fuels particularly C10+DMPS and J15+DMPS promotes the optimum performance associated with reduction of exhaust emission specially CO gas. Yet, the best alternative fuels were recommended.

Item Type: Article
Uncontrolled Keywords: Bio-additive; biodiesel; combustion; diesel engine; emission
Subjects: T Technology > TP Chemical technology > TP315-360 Fuel
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 30 Apr 2019 01:08
Last Modified: 30 Apr 2019 01:08
URI: http://eprints.uthm.edu.my/id/eprint/11038
Statistic Details: View Download Statistic

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