The aim of this work was the modelling and the simulation of the Piezo injector, developed by Siemens VDO Automotive for “spray guided” Gasoline Direct Injection (GDI) systems. The development of the model was based on a 1D lumped parameter approach, which was performed in the AMESim environment. The injector was accurately modelled in its three subsystems, namely the piezo actuator, the thermal compensator and the valve body, in order to have a complete control on its behaviour. The reliability and the accuracy of the models of each subsystem were evaluated through comparisons with experiments for various operating points. The last part of this work describes some applications where the model was used and it demonstrates how accurate modelling and simulation may allow a real contribution in the understanding and optimization of the injector behaviour, reducing time and costs that are involved in an only experimental analysis.
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ASME 8th Biennial Conference on Engineering Systems Design and Analysis
July 4–7, 2006
Torino, Italy
ISBN:
0-7918-4251-7
PROCEEDINGS PAPER
1D Modelling and Simulation of a Piezo Injector for Spray Guided Gasoline Direct Injection Systems
Marco Antonelli,
Marco Antonelli
Universita` degli Studi di Pisa, Pisa, Italy
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Luigi Martorano,
Luigi Martorano
Universita` degli Studi di Pisa, Pisa, Italy
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Luca Nuti,
Luca Nuti
Universita` degli Studi di Pisa, Pisa, Italy
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Michele Provenzale,
Michele Provenzale
Universita` degli Studi di Pisa, Pisa, Italy
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Luca Matteucci
Luca Matteucci
Siemens VDO Automotive
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Marco Antonelli
Universita` degli Studi di Pisa, Pisa, Italy
Luigi Martorano
Universita` degli Studi di Pisa, Pisa, Italy
Luca Nuti
Universita` degli Studi di Pisa, Pisa, Italy
Michele Provenzale
Universita` degli Studi di Pisa, Pisa, Italy
Luca Matteucci
Siemens VDO Automotive
Paper No:
ESDA2006-95556, pp. 527-535; 9 pages
Published Online:
September 5, 2008
Citation
Antonelli, M, Martorano, L, Nuti, L, Provenzale, M, & Matteucci, L. "1D Modelling and Simulation of a Piezo Injector for Spray Guided Gasoline Direct Injection Systems." Proceedings of the ASME 8th Biennial Conference on Engineering Systems Design and Analysis. Volume 4: Fatigue and Fracture, Heat Transfer, Internal Combustion Engines, Manufacturing, and Technology and Society. Torino, Italy. July 4–7, 2006. pp. 527-535. ASME. https://doi.org/10.1115/ESDA2006-95556
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