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Experimental investigation and combustion analysis of a direct injection dual-fuel diesel–natural gas engine

Author

Listed:
  • Carlucci, A.P.
  • de Risi, A.
  • Laforgia, D.
  • Naccarato, F.

Abstract

A single-cylinder diesel engine has been converted into a dual-fuel engine to operate with natural gas together with a pilot injection of diesel fuel used to ignite the CNG–air charge. The CNG was injected into the intake manifold via a gas injector on purpose designed for this application. The main performance of the gas injector, such as flow coefficient, instantaneous mass flow rate, delay time between electrical signal and opening of the injector, have been characterized by testing the injector in a constant-volume optical vessel. The CNG jet structure has also been characterized by means of shadowgraphy technique.

Suggested Citation

  • Carlucci, A.P. & de Risi, A. & Laforgia, D. & Naccarato, F., 2008. "Experimental investigation and combustion analysis of a direct injection dual-fuel diesel–natural gas engine," Energy, Elsevier, vol. 33(2), pages 256-263.
    • Handle: RePEc:eee:energy:v:33:y:2008:i:2:p:256-263
    DOI: 10.1016/j.energy.2007.06.005
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    References listed on IDEAS

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    1. Nwafor, O.M.I, 2000. "Effect of choice of pilot fuel on the performance of natural gas in diesel engines," Renewable Energy, Elsevier, vol. 21(3), pages 495-504.
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