Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Comparative Study on Diesel Engine Performance with Higher Alcohol-diesel Blends

고탄소알코올/경유 혼합유를 이용한 디젤엔진 성능 특성 비교

  • JAESUNG KWON (Department of Mechanical System Engineering, Gyeongsang National University) ;
  • JEONGHYEON YANG (Department of Mechanical System Engineering, Gyeongsang National University) ;
  • BEOMSOO KIM (Department of Mechanical System Engineering, Gyeongsang National University)
  • 권재성 (경상국립대학교 기계시스템공학과) ;
  • 양정현 (경상국립대학교 기계시스템공학과) ;
  • 김범수 (경상국립대학교 기계시스템공학과)
  • Received : 2023.10.30
  • Accepted : 2023.11.24
  • Published : 2023.12.30
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Abstract

In this study, combustion experiments were conducted at various engine speeds under full-load conditions using a single-cylinder diesel engine by blending butanol, pentanol, and octanol with diesel at a volume ratio of 10%. Experimental results revealed that higher alcohol-diesel blends resulted in lower brake torque and brake power than pure diesel due to the lower calorific value and the cooling effect during evaporation. An evident improvement in the brake thermal efficiency of the blended fuels was observed at engine speeds below 2,000 rpm, with the butanol blend exhibiting the highest thermal efficiency overall. Furthermore, the brake-specific fuel consumption of the higher alcohol-diesel blends was lower than that of pure diesel at speeds below 2,200 rpm. When using blended fuels, the exhaust gas temperature decreased under lean mixture conditions due to heat loss to the air and the cooling effect from fuel evaporation.

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References

  1. A. Fayyazbakhsh and V. Pirouzfar, "Determining the optimum conditions for modified diesel fuel combustion considering its emission, properties and engine performance", Energy Conversion and Management, Vol. 113, 2016, pp. 209-219, doi: https://doi.org/10.1016/j.enconman.2016.01.058. 
  2. K. N. Balan, U. Yashvanth, P. B. Devi, T. Arvind, H. Nelson, and Y. Devarajan, "Investigation on emission characteristics of alcohol biodiesel blended diesel engine", Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Vol. 41, No. 15, 2019, pp. 1879-1889, doi: https://doi.org/10.1080/15567036.2018.1549166. 
  3. S. Kim, J. K. Kim, C. K. Park, and J. H. Ha, "Study on fuel characteristics depending on mixing ratio of bio-butanol and bio-ethanol", Journal of Hydrogen and New Energy, Vol. 28, No. 6, 2017, pp. 704-711, doi: https://doi.org/10.7316/KHNES.2017.28.6.704. 
  4. A. Bilgin, O. Durgun, and Z. Sahin, "The effects of diesel-ethanol blends on diesel engine performance", Energy Sources, Vol. 24, No. 5, 2002, pp. 431-440, doi: https://doi.org/10.1080/00908310252889933. 
  5. M. Lapuerta, O. Armas, and J. M. Herreros, "Emissions from a diesel-bioethanol blend in an automotive diesel engine", Fuel, Vol. 87, No. 1, 2008, pp. 25-31, doi: https://doi.org/10.1016/j.fuel.2007.04.007. 
  6. Z. Huang, H. Lu, D. Jiang, K. Zeng, B. Liu, J. Zhang, and X. Wang, "Combustion behaviors of a compression-ignition engine fuelled with diesel/methanol blends under various fuel delivery advance angles", Bioresource Technology, Vol. 95, No. 3, 2004, pp. 331-341, doi: https://doi.org/10.1016/j.biortech.2004.02.018. 
  7. S. J. M. Algayyim, A. P. Wandel, T. Yusaf, and I. Hamawand, "The impact of n-butanol and iso-butanol as components of butanol-acetone (BA) mixture-diesel blend on spray, combustion characteristics, engine performance and emission in direct injection diesel engine", Energy, Vol. 140, Pt. 1, 2017, pp. 1074-1086, doi: https://doi.org/10.1016/j.energy.2017.09.044. 
  8. L. Li, J. Wang, Z. Wang, and H. Liu, "Combustion and emissions of compression ignition in a direct injection diesel engine fueled with pentanol", Energy, Vol. 80, 2015, pp. 575-581, doi: https://doi.org/10.1016/j.energy.2014.12.013. 
  9. Sidharth and N. Kumar, "Performance and emission studies of ternary fuel blends of diesel, biodiesel and octanol", Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Vol. 42, No.18, 2020, pp. 2277-2296, doi: https://doi.org/10.1080/15567036.2019.1607940. 
  10. W. Higashide, Y. Li, Y. Yang, and J. C. Liao, "Metabolic engineering of Clostridium cellulolyticum for production of isobutanol from cellulose", Applied and Environmental Microbiology, Vol. 77, No. 8, 2011, pp. 2727-2733, doi: https://doi.org/10.1128/AEM.02454-10. 
  11. R. Andersson, M. Boutonnet, and S. Jaras, "Higher alcohols from syngas using a K/Ni/MoS2 catalyst: Trace sulfur in the product and effect of H2S-containing feed", Fuel, Vol. 115, 2014, pp. 544-550, doi: https://doi.org/10.1016/j.fuel.2013.07.057. 
  12. H. Li, P. H. Opgenorth, D. G. Wernick, S. Rogers, T. Y. Wu, W. Higashide, P. Malati, Y. X. Huo, K. M. Cho, and J. C. Liao, "Integrated electromicrobial conversion of CO2 to higher alcohols", Science, Vol. 335, No. 6076, 2012, pp. 1596, doi: https://doi.org/10.1126/science.1217643.