Direct Fuel Injector Power Drive System Optimization

Paper #:
  • 2014-01-1442

Published:
  • 2014-04-01
Citation:
Zhang, X., Palazzolo, A., Kweon, C., Thomas, E. et al., "Direct Fuel Injector Power Drive System Optimization," SAE Int. J. Engines 7(3):1137-1153, 2014, https://doi.org/10.4271/2014-01-1442. Erratum published in SAE Int. J. Engines 7(3):1154, 2014, https://doi.org/10.4271/2014-01-1442ERR.
Pages:
18
Abstract:
The objective of this study is to optimize the injector power drive system for improved fuel injection quantity and timing control. The power drive system was optimized for improved injection repeatability under different operating conditions such as fuel supply pressures. A coupled simulation of injector electromagnetic, pintle (needle) rigid body motion and computational fluid dynamics (CFD) model was employed to generate the optimal values of the 1st stage current, the 1st stage on-time and the 2nd stage current. The simulation results were validated against the experimental data measured with a photo detector measurement system.
History:
Document Published Type
2014-01-1442 2014-04-01 Original
2014-08-01 Erratum For Technical Paper
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