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The new-generation of solenoid injectors equipped with pressure-balanced pilot valves for energy saving and dynamic response improvement

Author

Listed:
  • Ferrari, Alessandro
  • Paolicelli, Federica
  • Pizzo, Pietro

Abstract

A numerical–experimental analysis on a new generation of hydraulically controlled servo solenoid injectors for Euro 6 Diesel engine applications has been carried out. The main innovation of these high-pressure injectors is the replacement of the standard pilot-valve configuration with a pressure-balanced layout. The new setup is aimed at reducing clearance leakages and at improving the dynamic response of the needle to the electrical command.

Suggested Citation

  • Ferrari, Alessandro & Paolicelli, Federica & Pizzo, Pietro, 2015. "The new-generation of solenoid injectors equipped with pressure-balanced pilot valves for energy saving and dynamic response improvement," Applied Energy, Elsevier, vol. 151(C), pages 367-376.
    • Handle: RePEc:eee:appene:v:151:y:2015:i:c:p:367-376
    DOI: 10.1016/j.apenergy.2015.03.074
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    References listed on IDEAS

    as
    1. Ferrari, A. & Mittica, A. & Spessa, E., 2013. "Benefits of hydraulic layout over driving system in piezo-injectors and proposal of a new-concept CR injector with an integrated Minirail," Applied Energy, Elsevier, vol. 103(C), pages 243-255.
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    Cited by:

    1. Fang, Guochang & Tian, Lixin & Fu, Min & Sun, Mei & Du, Ruijin & Liu, Menghe, 2017. "Investigating carbon tax pilot in YRD urban agglomerations—Analysis of a novel ESER system with carbon tax constraints and its application," Applied Energy, Elsevier, vol. 194(C), pages 635-647.
    2. S., d'Ambrosio & A., Ferrari, 2018. "Diesel engines equipped with piezoelectric and solenoid injectors: hydraulic performance of the injectors and comparison of the emissions, noise and fuel consumption," Applied Energy, Elsevier, vol. 211(C), pages 1324-1342.
    3. Ferrari, A. & Novara, C. & Paolucci, E. & Vento, O. & Violante, M. & Zhang, T., 2018. "Design and rapid prototyping of a closed-loop control strategy of the injected mass for the reduction of CO2, combustion noise and pollutant emissions in diesel engines," Applied Energy, Elsevier, vol. 232(C), pages 358-367.
    4. Ferrari, A. & Mittica, A., 2016. "Response of different injector typologies to dwell time variations and a hydraulic analysis of closely-coupled and continuous rate shaping injection schedules," Applied Energy, Elsevier, vol. 169(C), pages 899-911.

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