Ali Turkcan
Department of Automotive Engineering Technology, Kocaeli University, Turkey
Mustafa Canakci
Alternative Fuels R&D Center, Kocaeli University, Turkey
Tawit Chitsomboon
School of Mechanical Engineering, Institute of Engineering, Suranaree University of Technology, Nakornratchasima, Thailand
Chalothorn Thamthæ
School of Mechanical Engineering, Institute of Engineering, Suranaree University of Technology, Nakornratchasima, Thailand
A. Alexakis
School of Computing, Engineering and Information Sciences, Northumbria University, Newcastle upon Tyne, UK
G. Gounis
School of Computing, Engineering and Information Sciences, Northumbria University, Newcastle upon Tyne, UK
K. Mahkamov
School of Computing, Engineering and Information Sciences, Northumbria University, Newcastle upon Tyne, UK
J. Davis
School of Computing, Engineering and Information Sciences, Northumbria University, Newcastle upon Tyne, UK
Sahar Bakhshian
Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
Hamid-Reza Kariminia
Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
Mohammad Ameri
Energy Eng. Department, Power & Water University of Technology, Tehran, Iran
Saman Amanpour
Department of Aerospace and Mechanical Engineering, Shiraz University, Shiraz, Iran
Pedro A. Morgado
Civil Engineering Department and CEHIDRO, Instituto Superior Tåcnico, Technical University of Lisbon, Portugal
Helena M. Ramos
Civil Engineering Department and CEHIDRO, Instituto Superior Tåcnico, Technical University of Lisbon, Portugal
Hakan Demir
Yildiz Technical University, Istanbul, Turkey
Äzden Agra
Yildiz Technical University, Istanbul, Turkey
S. özgür Atayilmaz
Yildiz Technical University, Istanbul, Turkey
M. Agha-Hossein
Halcrow Group Ltd/TSBE, University of Reading, UK
A. Elmualim
University of Reading, UK
M. Williams
University of Reading, UK
A. Kluth
Halcrow Group Ltd, London, UK
Davide Magagna
Sustainable Energy Research Group, University of Southampton, Southampton, United Kingdom
Dimitris Stagonas
Sustainable Energy Research Group, University of Southampton, Southampton, United Kingdom
Gerald Muller
Sustainable Energy Research Group, University of Southampton, Southampton, United Kingdom
Gregoris Panayiotou
Department of Mechanical Engineering and Materials Science and Engineering, Cyprus University of Technology, Cyprus \ School of Engineering and Design, Brunel University, Uxbridge, UK
Soteris Kalogirouand
Department of Mechanical Engineering and Materials Science and Engineering, Cyprus University of Technology, Cyprus
Savvas Tassou
School of Engineering and Design, Brunel University, Uxbridge, UK
Saeid Amanpour
Department of Electrical Engineering, University Teknologi Malaysia, Johor Darul Takzim, Malaysia
A. E. W Ek
Swedish Biogas International Korea Co., Seoul, Republic of Korea
S. Hallin
Dept. of Biogas R & D, Tekniska Verken i Linköping AB, Sweden
L. Vallin
Dept. of Biogas R & D, Tekniska Verken i Linköping AB, Sweden
A. Schnürer
Dept. of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden
M. Karlsson
Dept. of Biogas R & D, Tekniska Verken i Linköping AB, Sweden \ Dept. of Physics, Chemistry and Biology, Linköping University, Linköping, Sweden
Carlos A. Cardona
Universidad Nacional de Colombia, Manizales, Colombia
Monica J. Valencia
Universidad Nacional de Colombia, Manizales, Colombia
Julian A. Quintero
Universidad Nacional de Colombia, Manizales, Colombia
Andreas Poullikkas
Electricity Authority of Cyprus, Cyprus
Erdal Turkbeyler
School of Construction Management and Engineering, the University of Reading, Whiteknights, United Kingdom
Runming Yao
School of Construction Management and Engineering, the University of Reading, Whiteknights, United Kingdom
Tony Day
Centre for Efficient and Renewable Energy in Buildings (CEREB), Department of Urban Engineering, London South Bank University, United Kingdom
G. R. Salehi
Islamic Azad University Nowshahr Branch, Nowshahr, Iran
M. Ahmadpour
Islamic Azad University Takestan Branch, Takestan, Iran
H. Khoshnazar
Shiraz university, Shiraz, Iran
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http://dx.doi.org/10.3384/ecp110573565Published in: World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden
Linköping Electronic Conference Proceedings 57:9, p. 3565-3572
In this study; the influence of methanol/diesel and ethanol/diesel fuel blends on the combustion characteristic of an IDI diesel engine was investigated at different injection timings by using five different fuel blends (diesel; M5; M10; E5 and E10). The tests were conducted at three different start of injection {25o; 20o (original injection timing) and 15o CA before top dead center (BTDC)} under the same operating condition. The experimental results show that maximum cylinder gas pressure (Pmax) and maximum heat release rate (dQ/d?)max increased with advanced fuel delivery timing for all test fuels. Although the values of Pmax and (dQ/d?)max of E10 and M10 type fuels were observed at original injection and retarded injection (15o CA BTDC) timings; those of the diesel fuel were obtained at advanced injection (25o CA BTDC) timing. From the combustion characteristics of the test fuels; it was observed that ignition delay (ID); total combustion duration (TCD) and maximum pressure rise rate (dP/d?)max increased with advanced fuel delivery timing. The ID increased at original and advanced injection timings for ethanol/diesel and methanol/diesel fuel blends when compared to the diesel fuel. It was also found that increasing methanol or ethanol amount in the fuel blends caused to increase in ID and to decrease in TCD at all injection timings. At original injection timing; the (dP/d?)max increased with increasing methanol or ethanol amount in the fuel blends. To see the cycle to cycle variation; the fifty cycles of each fuel were also investigated at the different injection timings. It was found that; at the advanced injection timing; cyclic variability of the test fuels was higher when compared to the original and retarded injection timings. The maximum cyclic variability was observed with the M10 at the advanced injection timing.
Ethanol; Methanol; IDI diesel engine; Injection timing; Combustion characteristics
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