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Investigating the importance of mass transfer on the formation of HCCI engine emissions using a multi-zone model

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  • Komninos, N.P.

Abstract

The focus of the present study is to investigate the importance of mass transfer on the formation of the most important HCCI engine emissions, i.e. unburned HC and CO emissions. A multi-zone model is used for this purpose. The multi-zone model includes sub-models for the heat transfer between zones and to the cylinder wall and for the mass transfer between the hotter and colder regions of the combustion chamber. The combustion mechanism is modeled using a reduced set of chemical reactions coupled with a chemical kinetics solver. The results indicate that mass transfer during combustion and expansion plays a significant role on the formation of both the unburned HC and the CO emissions and therefore must be taken into account for the closed part of the engine cycle, i.e. compression, combustion and expansion. According to the model results, the formation of these emissions is located mainly at the crevice and the near-the-wall regions and is determined by the temperature field and mass transfer. It is shown that neglecting mass transfer in these regions during combustion and expansion would result to a significant deviation from the values predicted with the inclusion of mass transfer.

Suggested Citation

  • Komninos, N.P., 2009. "Investigating the importance of mass transfer on the formation of HCCI engine emissions using a multi-zone model," Applied Energy, Elsevier, vol. 86(7-8), pages 1335-1343, July.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:7-8:p:1335-1343
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    Citations

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    Cited by:

    1. Wu, Horng-Wen & Wang, Ren-Hung & Ou, Dung-Je & Chen, Ying-Chuan & Chen, Teng-yu, 2011. "Reduction of smoke and nitrogen oxides of a partial HCCI engine using premixed gasoline and ethanol with air," Applied Energy, Elsevier, vol. 88(11), pages 3882-3890.
    2. Maurya, Rakesh Kumar & Agarwal, Avinash Kumar, 2011. "Experimental investigation on the effect of intake air temperature and air-fuel ratio on cycle-to-cycle variations of HCCI combustion and performance parameters," Applied Energy, Elsevier, vol. 88(4), pages 1153-1163, April.
    3. Rakopoulos, C.D. & Kosmadakis, G.M. & Pariotis, E.G., 2010. "Critical evaluation of current heat transfer models used in CFD in-cylinder engine simulations and establishment of a comprehensive wall-function formulation," Applied Energy, Elsevier, vol. 87(5), pages 1612-1630, May.
    4. Gan, Suyin & Ng, Hoon Kiat & Pang, Kar Mun, 2011. "Homogeneous Charge Compression Ignition (HCCI) combustion: Implementation and effects on pollutants in direct injection diesel engines," Applied Energy, Elsevier, vol. 88(3), pages 559-567, March.
    5. Hairuddin, A. Aziz & Yusaf, Talal & Wandel, Andrew P., 2014. "A review of hydrogen and natural gas addition in diesel HCCI engines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 739-761.
    6. Hou, Junxing & Qiao, Xinqi & Wang, Zhen & Liu, Wei & Huang, Zhen, 2010. "Characterization of knocking combustion in HCCI DME engine using wavelet packet transform," Applied Energy, Elsevier, vol. 87(4), pages 1239-1246, April.
    7. Krishna, Addepalli S. & Mallikarjuna, J.M. & Kumar, Davinder, 2016. "Effect of engine parameters on in-cylinder flows in a two-stroke gasoline direct injection engine," Applied Energy, Elsevier, vol. 176(C), pages 282-294.
    8. Kumar, Suneel & Kumar Chauhan, Manish & Varun,, 2013. "Numerical modeling of compression ignition engine: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 19(C), pages 517-530.
    9. Komninos, N.P. & Rakopoulos, C.D., 2016. "Heat transfer in hcci phenomenological simulation models: A review," Applied Energy, Elsevier, vol. 181(C), pages 179-209.
    10. Singh, Akhilendra Pratap & Agarwal, Avinash Kumar, 2012. "Combustion characteristics of diesel HCCI engine: An experimental investigation using external mixture formation technique," Applied Energy, Elsevier, vol. 99(C), pages 116-125.
    11. Maurya, Rakesh Kumar & Agarwal, Avinash Kumar, 2011. "Experimental study of combustion and emission characteristics of ethanol fuelled port injected homogeneous charge compression ignition (HCCI) combustion engine," Applied Energy, Elsevier, vol. 88(4), pages 1169-1180, April.
    12. Hasan, M.M. & Rahman, M.M., 2016. "Homogeneous charge compression ignition combustion: Advantages over compression ignition combustion, challenges and solutions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 282-291.
    13. Alrazen, Hayder A. & Abu Talib, A.R. & Adnan, R. & Ahmad, K.A., 2016. "A review of the effect of hydrogen addition on the performance and emissions of the compression – Ignition engine," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 785-796.
    14. Rakopoulos, C.D. & Kosmadakis, G.M. & Dimaratos, A.M. & Pariotis, E.G., 2011. "Investigating the effect of crevice flow on internal combustion engines using a new simple crevice model implemented in a CFD code," Applied Energy, Elsevier, vol. 88(1), pages 111-126, January.
    15. Komninos, N.P. & Kosmadakis, G.M., 2011. "Heat transfer in HCCI multi-zone modeling: Validation of a new wall heat flux correlation under motoring conditions," Applied Energy, Elsevier, vol. 88(5), pages 1635-1648, May.

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