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Comparison of aircraft engine performance and emission analysis using alternative fuels

Azami, Muhammad Hanafi and Savill, Mark and Li, Yi-Guang (2017) Comparison of aircraft engine performance and emission analysis using alternative fuels. International Journal of Sustainable Aviation, 3 (1). pp. 43-63. ISSN 2050-0467 E-ISSN 2050-0475

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Following the successful flights of many commercial aircraft running with alternative fuels, the present study focuses on aircraft engine performance and emission analysis. The analysis of aircraft engine performance (thrust, fuel flow and specific fuel consumption) for different blended mixing ratio percentages of biofuels (Camelina and Jatropha) with Jet-A, at different flight conditions using in-house computer software codes, PYTHIA & TURBOMATCH. Emission analysis utilised HEPHAESTUS in-house software to predict nitrous oxides and carbon monoxide emission at various flight conditions. A model three-shaft high-bypass-ratio engine, similar to the RB211-524, was used. Blended fuels exhibited a slight improvement in engine performance at higher mixing ratio percentages; with Jatropha biofuel surpassing Camelina biofuel in terms of all considered performance indexes. Nitrous oxides can be reduced using pure Jatropha biofuel as compared to kerosene fuel for every flight condition. However, for carbon monoxide emission strongly depends on the combustor inlet conditions and flight phases.

Item Type: Article (Journal)
Additional Information: 8177/65142
Uncontrolled Keywords: Camelina biofuel; emissions; engine performances; Jatropha biofuel.
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ807 Renewable energy sources
T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL500 Aeronautics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Dr Muhammad Hanafi Azami
Date Deposited: 27 Aug 2018 12:42
Last Modified: 27 Aug 2018 12:42
URI: http://irep.iium.edu.my/id/eprint/65142

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