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Low intake valve lift in a port fuel-injected engine

Author

Listed:
  • Begg, S.M.
  • Hindle, M.P.
  • Cowell, T.
  • Heikal, M.R.

Abstract

A phenomenological study of the airflow and fuel spray interaction in a variable valve gasoline engine is presented. Experiments were performed in a steady-state flow rig fitted with a modified production cylinder head. The intake valve lift was varied manually. The mass flow rates of air and fuel through the test rig were adjusted to match typical engine operating conditions. Particle Image Velocimetry (PIV) and Laser Doppler Anemometry (LDA) measurements of the airflow showed the breakdown of a single, forward tumbling vortex-like structure into a pair of high-speed, turbulent jets at low valve lifts.

Suggested Citation

  • Begg, S.M. & Hindle, M.P. & Cowell, T. & Heikal, M.R., 2009. "Low intake valve lift in a port fuel-injected engine," Energy, Elsevier, vol. 34(12), pages 2042-2050.
    • Handle: RePEc:eee:energy:v:34:y:2009:i:12:p:2042-2050
    DOI: 10.1016/j.energy.2008.08.026
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    Cited by:

    1. Clenci, Adrian Constantin & Iorga-Simăn, Victor & Deligant, Michael & Podevin, Pierre & Descombes, Georges & Niculescu, Rodica, 2014. "A CFD (computational fluid dynamics) study on the effects of operating an engine with low intake valve lift at idle corresponding speed," Energy, Elsevier, vol. 71(C), pages 202-217.
    2. Adrian Clenci & Adrian Bîzîiac & Pierre Podevin & Georges Descombes & Michael Deligant & Rodica Niculescu, 2013. "Idle Operation with Low Intake Valve Lift in a Port Fuel Injected Engine," Energies, MDPI, vol. 6(6), pages 1-18, June.
    3. Soid, S.N. & Zainal, Z.A., 2011. "Spray and combustion characterization for internal combustion engines using optical measuring techniques – A review," Energy, Elsevier, vol. 36(2), pages 724-741.
    4. Tripathy, Srinibas & Das, Abhimanyu & Srivastava, Dhananjay Kumar, 2020. "Electro-pneumatic variable valve actuation system for camless engine: Part II-fuel consumption improvement through un-throttled operation," Energy, Elsevier, vol. 193(C).

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