SPACE-LIGHT - Whole space combustion for diesel light duty vehicles
Overview
Background & policy context:
The project looks at developing a new homogenous combustion process (HCCI) for passenger cars diesel engine. The innovative combination of several engine and injection technologies will be investigated and implemented on single-cylinder engine concepts up to final economic and technical assessment of the in-vehicle on the road potential. The main technical objectives are to meet EURO 4 emissions limits without fuel sensitive after treatment for NOx and/or particulates while maintaining low well to wheel CO2 emissions advantage of the best state of the art diesel engines.
Objectives:
The objectives of the SPACE LIGHT project were to research and develop a high efficient low CO2 emissions diesel engine for passenger car which could achieve robust ultra low NOx and particulates
emissions (Euro 4, with potential for Euro 5) during the whole vehicle life without depending on complex
and fuel sensitive aftertreatment technology.
Methodology:
The originality of the work proposed in "SPACE LIGHT" is based on a unique and appropriate innovative
combination of several adapted technologies recently available
or
under development within the partners
involved (such as dedicated "SPACE" spray pattern Common Rail DI, flexible Variable Valve Actuation -
WA and interna) fluid dynamic control of the air and EGR charge mixing process) in order to achieve diesel HIMCCI (Homogeneous Interna) Mixture Charged Compression Ignition) combustion.
The main tasks will start from research study of HCCI combustion specifications before to perform design analysis, manufacturing, development testing and final technical/economic assessment of the selected engine concepts. The undertaking of these tasks will rely on the combined multidisciplinary expertise of partners from 4 member states and one associated member state. During this European project, a well structured methodology and approach in 5 WorkPackages (WP) combining 1D and 3D Computational Fluid Dynamics (CFD), optical diagnostics (outside and inside the engine) and single cylinder engine development testing has been used and proven to be very effective.
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