Abstract:The tighter limits introduced by EURO3 and EURO4 regulations involve the adoption of exhaust configurations, in which the converter is located close to the manifold, in order to reduce light off time, and so to obtain lower emissions. This type of configuration introduces new problems relative to optimisation of the exhaust manifold geometry, which is no longer only linked to engine performance, but also has to guarantee the best possible operation of the exhaust gas treatment system. Critical parameters inclu… Show more
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