Diesel engines equipped with piezoelectric and solenoid injectors: hydraulic performance of the injectors and comparison of the emissions, noise and fuel consumption

d'Ambrosio S. and Ferrari A.

Applied Energy, 2018, vol. 211, issue C, 1324-1342

Abstract: A comprehensive comparison between solenoid and indirect acting piezoelectric injectors has been carried out. The working principle of these injector typologies is illustrated, and their hydraulic performance has been analysed and discussed on the basis of experimental data collected at a hydraulic test rig. The injector characteristics, injected flow-rate profiles, nozzle opening and closure delays, injector leakages and injected volume fluctuations with the dwell time have been compared in order to evaluate the impact of the injector driving system.

Keywords: Piezoelectric injector; Solenoid injector; Diesel engine; Engine-out emissions; Fuel consumption; Combustion noise (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (6)

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DOI: 10.1016/j.apenergy.2017.11.065

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