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, Volume 79, Issue 5, pp 28–33 | Cite as

Variable Turbine Geometry for Gasoline Engines in the Volume Segment

  • Matthias Kluin
  • Claus Glahn
  • Ingo Hermann
  • Achim Königstein
Cover Story

The reduction in fuel consumption through new combustion processes is also set to be a major pillar of efforts to increase the efficiency of gasoline engine powertrains in future. This comes alongside growing demands imposed on the charging system, which - particularly in the volume segment - need to be met amid growing cost pressures. Single-stage exhaust turbocharging with variable turbine geometry represents a promising technology to meet this challenge, as the following analysis from Opel shows.

Boundary Conditions for Future Engine Concepts

Lowering CO2 emissions as the core development goal of car makers also calls for further improved fuel economy, particularly in the area of gasoline engines. This primarily affects the volume segment, which is why the development here centers on demonstrating low fuel consumption through the use of cost-efficient technologies.

Besides CO 2and pollutant emission standards, other constraints impact on the choice of possible engine concepts...



The authors would like to thank all their colleagues who collaborated with and supported the preparation of the findings presented here.

Copyright information

© Springer Fachmedien Wiesbaden GmbH, part of Springer Nature 2018

Authors and Affiliations

  • Matthias Kluin
    • 1
  • Claus Glahn
    • 2
  • Ingo Hermann
    • 3
  • Achim Königstein
    • 4
  1. 1.WiesbadenGermany
  2. 2.WiesbadenGermany
  3. 3.WiesbadenGermany
  4. 4.WiesbadenGermany

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