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Premixed combustion of GTL and RME fuels in a single cylinder research engine

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  • Mancaruso, Ezio
  • Vaglieco, Bianca Maria

Abstract

In this paper we report the use of the optical technique applied in the cylinder of an optically accessible engine equipped with the latest-generation diesel engine head of a European passenger car. The injection strategy with high percentage of EGR, characteristic of real engine operating point, was adopted. Alternative diesel fuels were used. In particular, rapeseed methyl ester (RME) and gas to liquid (GTL) were selected as representative of 1st and 2nd generation alternative diesel fuels, respectively. Combustion analysis was carried out in the engine combustion chamber by means of 2D spectroscopic measurements from UV to visible. These measurements helped to analyze the chemical and physical events occurring during the mixture preparation and the combustion development. Ultraviolet (UV) digital imaging was also performed and the presence of characteristic radical, like OH, in the various phases of combustion was detected as well. OH spatial distribution and temporal evolution were measured. Two color pyrometry technique was applied in order to measure the soot volume fraction within the combustion chamber. The GTL fuel showed better performance in terms of indicated mean effective pressure (IMEP) with respect to the diesel reference fuel with different effects on particulate matter (PM) and gaseous emissions. It showed the highest in cylinder soot production, while the OH radical had maximum intensity value close to the reference diesel (REF) one. On the other hand, the RME fuel showed a decrease in IMEP that can be adjusted with a little increase of fuel injected quantity, and very low production of soot in the cylinder and PM at the exhaust compared to the diesel reference fuel. Finally, the OH radical had the lowest intensity value.

Suggested Citation

  • Mancaruso, Ezio & Vaglieco, Bianca Maria, 2012. "Premixed combustion of GTL and RME fuels in a single cylinder research engine," Applied Energy, Elsevier, vol. 91(1), pages 385-394.
    • Handle: RePEc:eee:appene:v:91:y:2012:i:1:p:385-394
    DOI: 10.1016/j.apenergy.2011.10.010
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    Citations

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    Cited by:

    1. Allocca, Luigi & Mancaruso, Ezio & Montanaro, Alessandro & Sequino, Luigi & Vaglieco, Bianca Maria, 2014. "Evaluation of RME (rapeseed methyl ester) and mineral diesel fuels behaviour in quiescent vessel and EURO 5 engine," Energy, Elsevier, vol. 77(C), pages 783-790.
    2. Pastor, J.V. & García-Oliver, J.M. & García, A. & Micó, C. & Durrett, R., 2013. "A spectroscopy study of gasoline partially premixed compression ignition spark assisted combustion," Applied Energy, Elsevier, vol. 104(C), pages 568-575.
    3. Mancaruso, Ezio & Sequino, Luigi & Vaglieco, Bianca Maria, 2013. "GTL (Gas To Liquid) and RME (Rapeseed Methyl Ester) combustion analysis in a transparent CI (compression ignition) engine by means of IR (infrared) digital imaging," Energy, Elsevier, vol. 58(C), pages 185-191.
    4. Park, Su Han & Cha, Junepyo & Lee, Chang Sik, 2012. "Impact of biodiesel in bioethanol blended diesel on the engine performance and emissions characteristics in compression ignition engine," Applied Energy, Elsevier, vol. 99(C), pages 334-343.
    5. Armas, Octavio & García-Contreras, Reyes & Ramos, Ángel, 2013. "Impact of alternative fuels on performance and pollutant emissions of a light duty engine tested under the new European driving cycle," Applied Energy, Elsevier, vol. 107(C), pages 183-190.
    6. Herreros, J.M. & Jones, A. & Sukjit, E. & Tsolakis, A., 2014. "Blending lignin-derived oxygenate in enhanced multi-component diesel fuel for improved emissions," Applied Energy, Elsevier, vol. 116(C), pages 58-65.
    7. Ryu, Kyunghyun & Zacharakis-Jutz, George E. & Kong, Song-Charng, 2014. "Effects of gaseous ammonia direct injection on performance characteristics of a spark-ignition engine," Applied Energy, Elsevier, vol. 116(C), pages 206-215.
    8. Xiao, Huahua & He, Xuechao & Duan, Qiangling & Luo, Xisheng & Sun, Jinhua, 2014. "An investigation of premixed flame propagation in a closed combustion duct with a 90° bend," Applied Energy, Elsevier, vol. 134(C), pages 248-256.
    9. Ryu, Kyunghyun, 2013. "Effects of pilot injection timing on the combustion and emissions characteristics in a diesel engine using biodiesel–CNG dual fuel," Applied Energy, Elsevier, vol. 111(C), pages 721-730.
    10. Sajjad, H. & Masjuki, H.H. & Varman, M. & Kalam, M.A. & Arbab, M.I. & Imtenan, S. & Rahman, S.M. Ashrafur, 2014. "Engine combustion, performance and emission characteristics of gas to liquid (GTL) fuels and its blends with diesel and bio-diesel," Renewable and Sustainable Energy Reviews, Elsevier, vol. 30(C), pages 961-986.
    11. Ryu, Kyunghyun & Zacharakis-Jutz, George E. & Kong, Song-Charng, 2014. "Performance characteristics of compression-ignition engine using high concentration of ammonia mixed with dimethyl ether," Applied Energy, Elsevier, vol. 113(C), pages 488-499.
    12. Navarro, Emilio & Leo, Teresa J. & Corral, Roberto, 2013. "CO2 emissions from a spark ignition engine operating on natural gas–hydrogen blends (HCNG)," Applied Energy, Elsevier, vol. 101(C), pages 112-120.

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