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The Potential of the Low-Pressure Path of Diesel Common-Rail Systems in Reducing CO 2 -Emissions
Technical Paper
2016-01-2215
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper focuses on the hydraulic losses of the low-pressure diesel fuel path and the impact of these losses on the fuel consumption and therefore CO2 emissions of internal combustion engines. In this context, a 1D (one-dimensional) simulation model with implemented fluid flow physics was developed. A 3D CFD model for considering complex geometries of several fuel path components further enhances the 1D approach. Experimental data from a test bench, carrying the complete fuel pressure system, were used for validations and continuous developments of the simulation models. The results show a substantial potential of the low-pressure system regarding a reduction of CO2 emissions, depending on the control strategy of the electric fuel pump and the geometrical properties of the fuel pipes and couplings. Within the New European Driving Cycle, a potential of up to 1.1 g CO2/km was observed.
Authors
- Hubertus Ulmer - Bertrandt Ingenieurbuero GmbH
- Ansgar Heilig - Bertrandt Ingenieurbuero GmbH
- Simon Bensch - Bertrandt Ingenieurbuero GmbH
- Timo Schulteis - Bertrandt Ingenieurbuero GmbH
- Jan-Kirsten Grathwol - Bertrandt Ingenieurbuero GmbH
- Felix Gollmer - Bertrandt Ingenieurbuero GmbH
- Christian Hofrath - Bertrandt Ingenieurbuero GmbH
- Matthias Rühl - Bertrandt Ingenieurbuero GmbH
Topic
Citation
Ulmer, H., Heilig, A., Bensch, S., Schulteis, T. et al., "The Potential of the Low-Pressure Path of Diesel Common-Rail Systems in Reducing CO2-Emissions," SAE Technical Paper 2016-01-2215, 2016, https://doi.org/10.4271/2016-01-2215.Data Sets - Support Documents
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