New Combustion Systems Based on a New Fuel Specification

Authors

Dr. W. Steiger, Dr. C. Kohnen, Volkswagen AG, Wolfsburg

Year

2006

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 622

Summary

New, alternative fuels offer the possibility of meeting the future challenges which drive systems with combustion engines are facing. Providing these fuels are specified in a tar-geted manner, they can be used as the basis for developing new combustion systems, like the CCS (Combined Combustion System) presented here. They harbour the potential for combining the lowest levels of emissions with high efficiency. This article examines the benefit of CCS fuel compared with conventional diesel by look-ing at the system development sequence, and then considers the full engine test in the CCS power plant as verification. The investigations are rounded off by a comparison of the “homogenous/early” and conventional operating modes. Finally, a detailed outlook provides a description of tools that hold the prospect for further improvements in terms of the objectives of lowering emissions and consumption and which should enable Volkswagen research to create the flex-mode engine of the future.

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