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VORTRAG
28.11.2016

Aspects of the development and application of ported fuel injection valves in large engines

Vortrag bei Heavy-Duty-, On- und Off-Highway-Motoren 2016
11. Internationale MTZ-Fachtagung

Referent(in): Peter Christiner, Markus Schmitzberger, Claudia Gasselsdorfer, Christoph Kammerer, Michael Köhler

Due to the recent trend towards higher engine loads and new emission regulations concepts
for the reliable engine control of gas engines within a small operational window
become more important. High boost pressures to further reduce NOx emissions in combination
with different valve timing strategies lead to an increasing demand for improved
control devices. MPI valves can help engine manufacturers to meet this requirements.
This paper describes the methodology used for the development of the new PFI valve
generation by Robert Bosch. Due to the interaction of the used development regimes,
significant reduction in development time and effort was achieved.
Different development results in regards to the lifetime and functional goals of the component
were described and proven by test results on different testing facilities.
In addition different application aspects of the valves in regards to their usage on engines
were outlined. Topics like operation parameters and their link to valve operation
were described. Different influencing factors like differential pressure oscillations, deposit
formation and their link to the resulting mixture formation were described.
Detailed information in regards to the use of different simulation tools for the optimization
of the MPI valves was given. 1D- and 3D-CFD simulation was described to cover
different effects during the valve development process.
Finally, an approach for the condition monitoring of the MPI valves and the usage on
engine applications was introduced.

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Heavy-Duty-, On- und Off-Highway-Motoren 2016
11. Internationale MTZ-Fachtagung
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11. Internationale MTZ-Fachtagung
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Heavy-Duty-, On- und Off-Highway-Motoren 2016
11. Internationale MTZ-Fachtagung
28.11.2016
Heavy-Duty-, On- und Off-Highway-Motoren 2016
11. Internationale MTZ-Fachtagung
» Vortrag als Download | » Alle Vorträge dieser Veranstaltung
Heavy-Duty-, On- und Off-Highway-Motoren 2016
11. Internationale MTZ-Fachtagung
28.11.2016
Heavy-Duty-, On- und Off-Highway-Motoren 2016
11. Internationale MTZ-Fachtagung
» Vortrag als Download | » Alle Vorträge dieser Veranstaltung
» ALLE VORTRÄGE DIESER VERANSTALTUNG
 
 

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