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Estimation of a noise level using coarse-grained entropy of experimental time series of internal pressure in a combustion engine

Author

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  • Litak, Grzegorz
  • Taccani, Rodolfo
  • Radu, Robert
  • Urbanowicz, Krzysztof
  • Hołyst, Janusz A.
  • Wendeker, Mirosław
  • Giadrossi, Alessandro

Abstract

We report our results on non-periodic experimental time series of pressure in a single cylinder spark ignition engine. The experiments were performed for different levels of loading. We estimate the noise level in internal pressure calculating the coarse-grained entropy from variations of maximal pressures in successive cycles. The results show that the dynamics of the combustion is a non-linear multidimensional process mediated by noise. Our results show that so defined level of noise in internal pressure is not monotonous function of loading.

Suggested Citation

  • Litak, Grzegorz & Taccani, Rodolfo & Radu, Robert & Urbanowicz, Krzysztof & Hołyst, Janusz A. & Wendeker, Mirosław & Giadrossi, Alessandro, 2005. "Estimation of a noise level using coarse-grained entropy of experimental time series of internal pressure in a combustion engine," Chaos, Solitons & Fractals, Elsevier, vol. 23(5), pages 1695-1701.
    • Handle: RePEc:eee:chsofr:v:23:y:2005:i:5:p:1695-1701
    DOI: 10.1016/j.chaos.2004.06.057
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    Cited by:

    1. Curto-Risso, P.L. & Medina, A. & Calvo Hernández, A. & Guzmán-Vargas, L. & Angulo-Brown, F., 2011. "On cycle-to-cycle heat release variations in a simulated spark ignition heat engine," Applied Energy, Elsevier, vol. 88(5), pages 1557-1567, May.
    2. Litak, Grzegorz & Kamiński, Tomasz & Rusinek, Rafał & Czarnigowski, Jacek & Wendeker, Mirosław, 2008. "Patterns in the combustion process in a spark ignition engine," Chaos, Solitons & Fractals, Elsevier, vol. 35(3), pages 578-585.
    3. Çoban, Gürsan & Büyüklü, Ali H. & Das, Atin, 2012. "A linearization based non-iterative approach to measure the gaussian noise level for chaotic time series," Chaos, Solitons & Fractals, Elsevier, vol. 45(3), pages 266-278.
    4. Sen, Asok K. & Litak, Grzegorz & Taccani, Rodolfo & Radu, Robert, 2008. "Wavelet analysis of cycle-to-cycle pressure variations in an internal combustion engine," Chaos, Solitons & Fractals, Elsevier, vol. 38(3), pages 886-893.
    5. Yang, Li-Ping & Song, En-Zhe & Ding, Shun-Liang & Brown, Richard J. & Marwan, Norbert & Ma, Xiu-Zhen, 2016. "Analysis of the dynamic characteristics of combustion instabilities in a pre-mixed lean-burn natural gas engine," Applied Energy, Elsevier, vol. 183(C), pages 746-759.

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