Keywords
ethanol
combustion
specific fuel consumption
emissions
How to Cite
Abstract
The effects of anhydrous ethanol (E) and castor oil (R) mixed with diesel fuel (D), commercially containing 5% biodiesel by volume, were researched experimentally to evaluate the combustion process and specific fuel consumption in a compression ignition engine, supercharged, six cylinders. In total, three mixtures were used, varying the diesel content from 95% (D95) to 80% v/v (D85), obtaining the following compositions: D95B0E0, D85B6E9 and D80B6.5E13.5. The experimental tests were performed in stationary conditions (1000 and 1800 rpm), two values of effective torque (80, and 160N.m) and two conditions of intake air pressure (100 and 80 kPa). The results obtained show that the mixtures containing ethanol and biodiesel lead to an early start of combustion at 1000 rpm and a delay at the start of combustion at 1800 rpm. The increase in ethanol and biodiesel over commercial fuel does not have any influence on specific fuel consumption; however, the altitude effect generates an increase in specific fuel consumption up to 11% and 7% at 1000 rpm and 1800 rpm respectively. The specific emissions of NOX, CO and CO2are increased with higher specific fuel consumption; in addition, the effect of simulated altitude allowed to verify that at higher altitudes there is a slight increase in sfc and EE of CO and CO2, together with a reduction in EE NOX. At 2000 m of simulated altitude (APCI = 80 kPa) the maximum increases of sfc, CO and CO2, with the mixture D80B6.5E13.5, were 5%, 122% and 18%, respectively. And the maximum reductions in NOX EE were also obtained with the D80B6.5E13.5 mixture, reaching decreases of up to 6%.
References
Abhishek, P., Rajsekhar, P., Durbadal, D., “An Experimental study of Combustion, Performance, Exergy and Emission characteristics of a CI engine fueled by Diesel-Ethanol-Biodiesel Blends”, doi: https://doi.org/10.1016/j.energy.2017.09.137, Energy, 141, 839-852 (2017).
Assanis, D., Filipi, Z., Fiveland, S., & Syrimis, M., “A Predictive Ignition Delay Correlation Under Steady-State and Transient Operation of a Direct Injection Diesel Engine”, doi: https://doi.org/10.1115/1.1563238. ASME Journal of Engineering for Gas Turbines and Power, 125,pp. 450–457 (2003).
Gagliuffi, E., Guilherme, J. y Formiga, C., “Misturas diesel-álcool-óleo de rícino como um combustível Alternativo para motores de ignição por compressão”, Centro de Tecnologia, Departamento de Engenharia Mecânica (2000)
Gestión, (02 de Julio de 2019). Gestión. Obtenido de https://archivo.gestion.pe/noticia/311269/diesel-lideraria-avance-demanda-mundial-combustible?ref=gesr.
GPAE, “Reporte semestral de monitoreo del mercado eléctrico, Organismo Supervisor de la Inversión en Energía y Minas”, 12-13, Lima, Perú (2017).
Hansen, A., Zhang, Q., & Lyne, P., “Ethanol diesel fuel blends” – a review, doi: https://doi.org/10.1016/j.biortech.2004.04.007, Bioresource Technology, 96, 277–285 (2005).
He et al., “Emission characteristics of a heavy-duty diésel engine at simulated high altitudes”, doi: 10.1016/j.scitotenv.2011.01.029 (2011) Science of the Total Environment, 409(17), 3138-3143 (2011).
Heywood, J., “Internal Combustion Engine Fundamentals”. 2a Ed., McGraw-Hill, New York, Estados Unidos (2018).
Jayakumar, C., Zheng, Z., Joshi, U., Bryzik, W., Henein, N., & Sattler, E., “Effect of inlet air temperature on auto-ignition of fuels with different cetane number and volatility”, doi: https://doi.org/10.1115/ICEF2011-60141, ASME, ICEF2011-60141 (2012).
Ji-Lin, L., Ze-fei, T., Shao-hua, L., Yu-Hua, B. y Li-Zhong, S, “Emission Characteristics of Diesel Engine Fueled with Ethanol-diesel Blends in Different Altitude Regions”, doi: 10.1109/ICDMA.2010.43, 2011, 417-421 (2011).
Kumar, R., “Reciprocating Engine Combustion Diagnostics In-Cylinder Pressure Measurement and Analysis”, 1a Ed. Springer Nature Switzerland AG, Cham, Switzerland (2019).
Lei, J., Bi, Y. y Shen, L., “Performance and Emission Characteristics of Diesel Engine Fueled with Ethanol-Diesel Blends in Different Altitude Regions”, doi:10.1155/2011/417421, Journal of Biomedicine and Biotechnology, 2011, 10 (2011)
Liu, S., Shen, L., Bi, Y. y Lei, J., “Effects of altitude and fuel oxygen content on the performance of a high pressure common rail diésel engine”, doi: 10.1016/j.fuel.2013.10.007, 118, 243-249 (2014).
Milosan, I., “Application of the chauvenet criterion to detection of the aberrant data obtained in the industrial processes”, doi: Https://Doi.Org/10.19062/2247-3173.2017.19.1.47, Scientific Research And Education In The Air Force , 389-393 (2017).
MINAM. (02 de Abril de 2018). Ministerio del Medio Ambiente. Obtenido de http://www.minam.gob.pe/notas-de-prensa/a-partir-del-1-de-abril-del-2018-entro-en-vigencia-las-normas-de-emisiones-vehiculares-euro-iv-tier-2-y-epa-2007/
Muralee, S., Salam, P., Tongroon, M. y Chollacoop, N., “Performance and emission assessment of optimally blended biodiesel-dieselethanol in diesel engine generator”, doi: 10.1016/j.applthermaleng.2019.04.012, 155, 525-533 (2019)
Organismo Supervisor de la Inversión en Energía y Minería, (29 de Dieciembre de 2018). Obtenido de http://www.osinergmin.gob.pe/empresas/hidrocarburos/Paginas/SCOP-DOCS/scop_docs.htm.
Payri, F., y Desantes, J., “Motores de combustión interna alternativos”., EDITORIAL REVERTÉ,S.A., Valencia, Espeña (2011).
Saxena, P., Jawale, S. y Joshipura, M., “A review on prediction of properties of biodiesel and blends of biodiesel”, Pocedia Engineering, 51, 395-402 (2013)
Shamun, S,. Belgiorno, G., Blasio, G., Beatrice, C., Tunér, M., Tunestål, P., “Performance and emissions of diesel-biodiesel-ethanol blends in a light duty compression ignition engine”, doi: https://doi.org/10.1016/j.applthermaleng.2018.09.067, Applied Thermal Engineering, 145, 444-452 (2018).
Sahin, Z. y Durgun, O., “Improving of diesel combustion-pollution-fijel ecomony and Performance by ethanol fumigation”, J. of Thermal Science and Technology, doi: 10.1016/j.enconman.2013.07.068, 76, 620-633 (2013)
Shahirn, S., Masjuki nn, H., Kalam, M., Imran, A., Ashraful, A., “Performance and emission assessment of diesel–biodiesel–ethanol/ bioethanol blend as a fuel in diesel engines: a review”, doi: https://doi.org/10.1016/j.rser.2015.03.049, Renewable and Sustainable Energy Reviews, 48, 62-78 (2015).
Tongroon, M., Saisirirat, P., Suebwong, A., Aunchaisri, J., Kananont, M y Chollacoop, N., “Combustion and emission characteristics investigation of diesel-ethanolbiodiesel blended fuels in a compression-ignition engine and benefit analysis”, doi: 10.1016/j.fuel.2019.115728, 255(2019).
Tutak, W., Jamrozik, A., Pyrc, M., Sobiepański, M., “A comparative study of co-combustion process of diesel-ethanol and biodiesel-ethanol blends in the direct injection diesel engine”, doi: https://doi.org/10.1016/j.applthermaleng.2017.02.029, Applied Thermal Engineering, 117, 155-163 (2017).
Wei, L., Cheung , C., Ning, Z., “Effects of biodiesel-ethanol and biodiesel-butanol blends on the combustion, performance and emissions of a diesel engine”, doi: https://doi.org/10.1016/j.energy.2018.05.049, Energy, 55, 957-970 (2018).