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, Volume 80, Issue 3, pp 64–70 | Cite as

Low-pressure Exhaust Gas Recirculation for Small-displacement Gasoline Engines

  • Thorsten Reimers
  • Holger Paffrath
  • Christian Vigild
  • Andreas Kuske
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Low-pressure exhaust gas recirculation not only offers the possibility of reducing NOx emissions inside gasoline engines, but also a consumption potential. This article by Pierburg and the Ford Research & Innovation Center Aachen portrays the control possibilities offered by the application of this technology using a dynamic simulation environment. The basis for the simulations is a large database generated by a Design-of-Experiment procedure.

Starting Point

Beside measures necessary to fulfill the future CO2fleet target for passenger cars the introduction of new standards like Euro 6d temp will increase the emphasis on real life emissions. Downsizing of the combustion engine is one response to this challenge. The engine fuel economy may be improved by means of engine displacement reduction and turbocharging without losing rated power capabilities. However, the increased pressure and temperature levels, especially in high load areas, pose significant challenges to the gasoline...

Copyright information

© Springer Fachmedien Wiesbaden GmbH, ein Teil von Springer Nature 2019

Authors and Affiliations

  • Thorsten Reimers
    • 1
  • Holger Paffrath
    • 1
  • Christian Vigild
    • 2
  • Andreas Kuske
    • 1
  1. 1.Pierburg GmbHNeussGermany
  2. 2.Research & Innovation Center der Ford-Werke GmbHAachenGermany

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