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98 Alexandru Radu et al. 4. The best results of the investigated parameters were obtained on the turbocharged engine. Acknowledgements. The work has been funded by the Sectorial Operational Programme Human Resources Development 2007-2013 of the Romanian Ministry of Labour, Family and Social Protection through the Financial Agreement POSDRU/88/1.5/S/60203. The authors would like to thank AVL GMBH Graz Austria for providing the software AVL Boost v.2011.6 used in this study. REFERENCES *** http://www.txideafarm.com/ethanol_fuel_properties_and_data Alok Kumar, Khatri D.S., Babu M.K.G., An Investigation of Potential and Challenges with Higher Ethanol-gasoline Blend on a Single Cylinder Spark Ignition Research Engine. SAE Paper, 2009-01-0137 (2009) Bahattin Celik M., Experimental Determination of Suitable Ethanol–gasoline Blend Rateat High Compression Ratio for Gasoline Engine. Applied Thermal Engineering, 28, 396-404 (2008). Coelho Baeta J.G., Amorim R.J., Molina Valle R.J., Mautone Barros E., Bahia de Carvalho R.D., Multi-Fuel Spark Ignition Engine – Optimization Performance Analysis, SAE Paper 2005-01-4145 (2005). Cowart J.S., Boruta W.E., et al., Powertrain Development of the 1996 Ford Flexible Fuel Taurus, SAE Paper 952751 (1996). Heywood John B., Internal Combustion Engine Fundamentals. 1998. Kenjiro Nakama, Jin Kusaka, Yasuhiro Daisho, Effect of Ethanol on Knock in Spark Ignition Gasoline Engines. SAE Paper 2008-32-0020 (2008). Ku J., Huang Y., Hollowell B., Belle S., Matthews R., Hall M., Conversion of a 1999 Silverado to Dedicated E85 with Emphasis on Cold Start and Cold Driveability. SAE Paper 2000-01-0590 (2000). Merkourios G., Savvidis D., Triandafyllis J., Study of the Effects of Ethanol Use on a Ford Escort Fitted with an Old Technology Engine. SAE Paper 2008-01-2608 (2008). Nakata K., Utsumi S., The Effect of Ethanol Fuel on Spark Ignition Engine. SAE Paper 2006-01-3380 (2006) Pană C., Negurescu N., Popa M. G., Cernat A., Soare D., Some Experimental Aspects of the Ethanol Use in SI Engine. Automobile, Environment and Farm Machinery, The 1th International Congress, Tehnical University of Cluj-Napoca (2007). Radu A., Pana C., Theoretical Research of Bioethanol Use in S.I. Engine. Conference Proceedings of the Academy of Romanian Scientists, 3, 1, 177 (2011). Turner J. W. G., Peck A., Pearson R. J., Flex-Fuel Vehicle Development to Promote Synthetic Alcohols as the Basis of a Potential Negative CO2 Energy Economy, SAE Paper 2007-01-3618 (2007). Wen Dai, Sreeni Cheemalamarri, Curtis E.W., Riadh Boussarsar, Morton R.K., Engine Cycle Simulation of Ethanol and Gasoline Blends. SAE Paper, 2003-01-3093 (2003).
Bul. Inst. Polit. Iaşi, t. LVIII (LXII), f. 4, 2012 99 ASPECTE PRIVIND UTILIZAREA BIOETANOLULUI ÎN MOTOARE CU APRINDERE PRIN SCÂNTEIE (Rezumat) În ultimii ani, motoarele cu aprindere prin scânteie au fost îmbunătățite încontinuu în vederea reducerii emisiilor de dioxid de carbon (şi totodată, efectul de seră), a consumului de combustibil şi creşterea performanţelor motorului. Utilizarea combustibililor alternativi reprezintă o soluţie eficientă pentru aceste obiective. Astfel se explică interesul mare la nivel mondial de a utiliza bioetanolul (provenind din surse regenerabile), drept combustibil auto, în special în amestec cu benzina. Lucrarea de faţă prezintă rezultatele simulării proceselor termo-gazo-dinamice din interiorul cilindrului unui motor cu aprindere prin scânteie alimentat cu amestecuri benzină-etanol la diferite condiţii de funcţionare ale motorului. Principalele subiecte abordate sunt efectele utilizării amestecurilor asupra performanţei motorului, emisiilor şi consumului de combustibil. Rezultatele au arătat că o performanţă îmbunătăţită a motorului şi emisii mai reduse pot fi obţinute prin supraalimentarea motorului şi utilizarea amestecurilor benzină-etanol, datorită proprietăţilor de ardere mai bune ale etanolului.
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