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Wet ethanol in HCCI engines with exhaust heat recovery to improve the energy balance of ethanol fuels

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  • Saxena, Samveg
  • Schneider, Silvan
  • Aceves, Salvador
  • Dibble, Robert

Abstract

This study explores the use of wet ethanol as a fuel for HCCI engines while using exhaust heat recovery to provide the high input energy required for igniting wet ethanol. Experiments were conducted on a 4-cylinder Volkswagen engine modified for HCCI operation and retrofitted with an exhaust gas heat exchanger connected to one cylinder. Tested fuel blends ranged from 100% ethanol to 80% ethanol by volume, with the balance being water. These blends are directly formed in the process of ethanol production from biomass. Comprehensive data was collected for operating conditions ranging from intake pressures of 1.4–2.0bar and equivalence ratios from 0.25 to 0.55. The heat exchanger was used to preheat the intake air allowing HCCI combustion without electrical air heating. The results suggest that the best operating conditions for the HCCI engine and heat exchanger system in terms of high power output, low ringing, and low nitrogen oxide emissions occur with high intake pressures, high equivalence ratios, and highly delayed combustion timings.

Suggested Citation

  • Saxena, Samveg & Schneider, Silvan & Aceves, Salvador & Dibble, Robert, 2012. "Wet ethanol in HCCI engines with exhaust heat recovery to improve the energy balance of ethanol fuels," Applied Energy, Elsevier, vol. 98(C), pages 448-457.
    • Handle: RePEc:eee:appene:v:98:y:2012:i:c:p:448-457
    DOI: 10.1016/j.apenergy.2012.04.007
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    References listed on IDEAS

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    Cited by:

    1. Bendu, Harisankar & Deepak, B.B.V.L. & Murugan, S., 2017. "Multi-objective optimization of ethanol fuelled HCCI engine performance using hybrid GRNN–PSO," Applied Energy, Elsevier, vol. 187(C), pages 601-611.
    2. Bahri, Bahram & Shahbakhti, Mahdi & Aziz, Azhar Abdul, 2017. "Real-time modeling of ringing in HCCI engines using artificial neural networks," Energy, Elsevier, vol. 125(C), pages 509-518.
    3. Kumar, Pravin & Rehman, A., 2016. "Bio-diesel in homogeneous charge compression ignition (HCCI) combustion," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 536-550.
    4. Saxena, Samveg & Shah, Nihar & Bedoya, Ivan & Phadke, Amol, 2014. "Understanding optimal engine operating strategies for gasoline-fueled HCCI engines using crank-angle resolved exergy analysis," Applied Energy, Elsevier, vol. 114(C), pages 155-163.
    5. Lanzanova, Thompson Diórdinis Metzka & Dalla Nora, Macklini & Zhao, Hua, 2016. "Performance and economic analysis of a direct injection spark ignition engine fueled with wet ethanol," Applied Energy, Elsevier, vol. 169(C), pages 230-239.
    6. Maji Luo & Musaab O. El-Faroug & Fuwu Yan & Yinan Wang, 2017. "Particulate Matter and Gaseous Emission of Hydrous Ethanol Gasoline Blends Fuel in a Port Injection Gasoline Engine," Energies, MDPI, vol. 10(9), pages 1-16, August.
    7. Saxena, Samveg & Vuilleumier, David & Kozarac, Darko & Krieck, Martin & Dibble, Robert & Aceves, Salvador, 2014. "Optimal operating conditions for wet ethanol in a HCCI engine using exhaust gas heat recovery," Applied Energy, Elsevier, vol. 116(C), pages 269-277.
    8. Awad, Omar I. & Mamat, Rizalman & Ibrahim, Thamir K. & Kettner, Maurice & Kadirgama, K. & Leman, A.M. & Saiful, A.I.M., 2018. "Effects of fusel oil water content reduction on fuel properties, performance and emissions of SI engine fueled with gasoline -fusel oil blends," Renewable Energy, Elsevier, vol. 118(C), pages 858-869.
    9. Bahri, Bahram & Aziz, Azhar Abdul & Shahbakhti, Mahdi & Muhamad Said, Mohd Farid, 2013. "Understanding and detecting misfire in an HCCI engine fuelled with ethanol," Applied Energy, Elsevier, vol. 108(C), pages 24-33.
    10. Lanzanova, Thompson Diórdinis Metzka & Dalla Nora, Macklini & Martins, Mario Eduardo Santos & Machado, Paulo Romeu Moreira & Pedrozo, Vinícius Bernardes & Zhao, Hua, 2019. "The effects of residual gas trapping on part load performance and emissions of a spark ignition direct injection engine fuelled with wet ethanol," Applied Energy, Elsevier, vol. 253(C), pages 1-1.
    11. Rezaei, Javad & Shahbakhti, Mahdi & Bahri, Bahram & Aziz, Azhar Abdul, 2015. "Performance prediction of HCCI engines with oxygenated fuels using artificial neural networks," Applied Energy, Elsevier, vol. 138(C), pages 460-473.
    12. Wang, Xiaochen & Gao, Jianbing & Chen, Zhanming & Chen, Hao & Zhao, Yuwei & Huang, Yuhan & Chen, Zhenbin, 2022. "Evaluation of hydrous ethanol as a fuel for internal combustion engines: A review," Renewable Energy, Elsevier, vol. 194(C), pages 504-525.
    13. Siddiqui, Mohd Asjad & Khaliq, Abdul & Kumar, Rajesh, 2021. "Proposal and analysis of a novel cooling-power cogeneration system driven by the exhaust gas heat of HCCI engine fuelled by wet-ethanol," Energy, Elsevier, vol. 232(C).
    14. Rahimi Boldaji, Mozhgan & Gainey, Brian & Lawler, Benjamin, 2019. "Thermally stratified compression ignition enabled by wet ethanol with a split injection strategy: A CFD simulation study," Applied Energy, Elsevier, vol. 235(C), pages 813-826.
    15. Andwari, Amin Mahmoudzadeh & Aziz, Azhar Abdul & Said, Mohd Farid Muhamad & Latiff, Zulkarnain Abdul, 2014. "Experimental investigation of the influence of internal and external EGR on the combustion characteristics of a controlled auto-ignition two-stroke cycle engine," Applied Energy, Elsevier, vol. 134(C), pages 1-10.
    16. Viggiano, Annarita & Magi, Vinicio, 2014. "Dynamic Adaptive Chemistry applied to homogeneous and partially stratified charge CI ethanol engines," Applied Energy, Elsevier, vol. 113(C), pages 848-863.
    17. Bahri, Bahram & Shahbakhti, Mahdi & Kannan, Kaushik & Aziz, Azhar Abdul, 2016. "Identification of ringing operation for low temperature combustion engines," Applied Energy, Elsevier, vol. 171(C), pages 142-152.
    18. Musaab O. El-Faroug & Fuwu Yan & Maji Luo & Richard Fiifi Turkson, 2016. "Spark Ignition Engine Combustion, Performance and Emission Products from Hydrous Ethanol and Its Blends with Gasoline," Energies, MDPI, vol. 9(12), pages 1-24, November.
    19. Bendu, Harisankar & Murugan, S., 2014. "Homogeneous charge compression ignition (HCCI) combustion: Mixture preparation and control strategies in diesel engines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 38(C), pages 732-746.

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