CORDIS provides links to public deliverables and publications of HORIZON projects.
Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .
Deliverables
The BRITE Project EMING was included in a Cluster, together with the Project IGIS, dedicated to the HD CNG engines for heavy urban vehicles, as buses and garbage trucks. The aim was to reduce emissions controlling at the same time the CO2 emissions and considering as basic goal the requirements for EEV's Vehicles.
EMING task was to reduce emissions, in steady state conditions, addressing research activities mainly on the Aftertreatment and the EGR. The development in transient ETC cycle was the aim of IGIS PROJECT.
Two types of combustion have been considered: stoichiometric and lean; this in order to find out the potential of such concepts.
The activities have been done in the time frame of 30 months and have been carried out by:
- one Research centre (CRF)
- two engines and vehicles manufactures (DAIMLERCHRYSLER and IVECO)
- one Control systems manufacturer (TEMIC) and one Aftertreatment
manufacturer (JOHNSON MATTHEY)
- one small company for reliability analysis (SINTESI) and one University for mathematical computations by specialized models (NTUA).
It has been defined provisional advanced injection system and developed control, after treatment and EGR systems. Above components have been incorporated on three engines of different displacements in order to define also the influence of sizes on the results (6 cylinders of 6.9 - 7.8 and 9.5 l displacement).
The developments on engines gave the following results:
The Stoichiometric version with TWC (Three Way Catalyst) did meet the Project targets, showing the capability to reduce even more NOx emissions.
Limitations are due to cylinder head high thermal load limiting the maximum power.
The addition of cooled EGR resulted in high reduction of thermal load, with consequent power increase, further NOx reduction and some benefit, in certain conditions, also in fuel consumption.
The Lean burn version did show advantages in fuel consumption and thermal load, but border line versus NOx and high CH4 levels, as well as some concerns about costs and durability of OC (Oxidant Catalyst).
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