Comparative evaluation of the blends of gas-to-liquid (GTL) fuels and biodiesels with diesel at high idling conditions: an in-depth analysis on engine performance and environment pollutants

Hossain, S. and Masjuki, Haji Hassan and Varman, Mahendra and Kalam, M.A. and Rahman, S.M.A. (2015) Comparative evaluation of the blends of gas-to-liquid (GTL) fuels and biodiesels with diesel at high idling conditions: an in-depth analysis on engine performance and environment pollutants. RSC Advances, 5 (17). pp. 13068-13077. ISSN 2046-2069

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Abstract

This study focuses on the physicochemical fuel characteristics and engine performance-emission features of three prospective alternative transportation fuels: Alexandrian laurel biodiesel (ALBD), jatropha biodiesel (JBD) and GTL fuel at high idling conditions. The blends of GTL fuel (G10, G20), JBD (J10, J20) and ALBD (AL10, AL20) with diesel had been investigated in a multi-cylinder diesel engine at different load-speed conditions. Analysis of the fuel properties showed a linear variation of the major fuel properties with an increase of alternative fuel quantity in the blends. Engine performance test results revealed an average decrease of brake specific fuel consumption (BSFC) (ca. 8.65-12.26) and brake specific energy consumption (BSEC) (ca. 8.27-11.51), but a higher brake thermal efficiency (BTE) (ca. 8.56-12.58) by GTL blends, whereas, the biodiesel blends showed higher BSFC (ca. 5.01-12.18) and BSEC (ca. 3.41-9.67) and lower BTE (ca. 3.68-9.93), respectively, than those of diesel. Referring to the emission analysis, the results revealed that GTL blends showed a slight reduction in NOx (ca. 3.89-6.85), but a significant reduction in CO (ca. 48.25-51.38), HC (ca. 44.81-51.43) and smoke (ca. 15.21-18.78), respectively, when compared to diesel. The biodiesel blends demonstrated reduced CO (on average ca. 29.12-33.71), HC (ca. 29.67-35.46) and smoke (ca. 2.49-6.87), but increased NOx (on average ca. 2.83-9.81), respectively, than those of diesel.

Item Type: Article
Additional Information: Ca5zl Times Cited:0 Cited References Count:53
Uncontrolled Keywords: Compression ignition engine, heavy-duty diesel, emission characteristics, exhaust emissions, combustion characteristics, methyl-esters, bio-diesel, palm oil, jatropha, perspective,
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 25 Jul 2015 02:20
Last Modified: 18 Oct 2018 02:00
URI: http://eprints.um.edu.my/id/eprint/13810

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