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Experiments on the influence of intake conditions on local instantaneous heat flux in reciprocating internal combustion engines

Author

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  • Desantes, J.M.
  • Torregrosa, A.J.
  • Broatch, A.
  • Olmeda, P.

Abstract

The present study tries to be a contribution for the development of more precise theoretical models for predicting the dissipation of heat through the combustion chamber walls of reciprocating (internal combustion) IC engines. A fast response thermocouple was embedded in the combustion chamber of a single cylinder engine to measure instantaneous wall temperatures. The heat flux was obtained by solving the one-dimensional transient energy equation with transient boundary conditions using the Fast Fourier Transform. The engine was tested under different operating conditions to evaluate the sensitivity of the measurement procedure to variations of three relevant combustion parameters: injection pressure, air temperature and oxygen concentration at the intake. The local heat flux obtained was compared with other relevant parameters that characterize the thermal behaviour of engines, showing, in most of the cases, correlation among them. The results showed that the instantaneous heat flux through the walls and hence the local wall temperatures are strongly affected by the ignition delay and the start of combustion.

Suggested Citation

  • Desantes, J.M. & Torregrosa, A.J. & Broatch, A. & Olmeda, P., 2011. "Experiments on the influence of intake conditions on local instantaneous heat flux in reciprocating internal combustion engines," Energy, Elsevier, vol. 36(1), pages 60-69.
    • Handle: RePEc:eee:energy:v:36:y:2011:i:1:p:60-69
    DOI: 10.1016/j.energy.2010.11.011
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    References listed on IDEAS

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    1. Maiboom, Alain & Tauzia, Xavier & Hétet, Jean-François, 2008. "Experimental study of various effects of exhaust gas recirculation (EGR) on combustion and emissions of an automotive direct injection diesel engine," Energy, Elsevier, vol. 33(1), pages 22-34.
    2. Rakopoulos, C.D. & Mavropoulos, G.C., 2008. "Experimental evaluation of local instantaneous heat transfer characteristics in the combustion chamber of air-cooled direct injection diesel engine," Energy, Elsevier, vol. 33(7), pages 1084-1099.
    3. Hountalas, D.T. & Mavropoulos, G.C. & Binder, K.B., 2008. "Effect of exhaust gas recirculation (EGR) temperature for various EGR rates on heavy duty DI diesel engine performance and emissions," Energy, Elsevier, vol. 33(2), pages 272-283.
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    Cited by:

    1. Alexander D. Gromov, 2017. "The Efficiency of Russian Higher Education Institutions and its Determinants," HSE Working papers WP BRP 40/EDU/2017, National Research University Higher School of Economics.
    2. Benajes, Jesús & Molina, Santiago & Novella, Ricardo & Belarte, Eduardo, 2014. "Evaluation of massive exhaust gas recirculation and Miller cycle strategies for mixing-controlled low temperature combustion in a heavy duty diesel engine," Energy, Elsevier, vol. 71(C), pages 355-366.

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