Combustion Homogeneity with PPC in a Light Duty Optical Engine

TL;DRAbstract

The objective of this Master Thesis is to investigate the homogeneity level of the Partially Premixed Combustion using different injection strategies, for low load engine conditions. In order to achieve this aim, it is necessary to understand the Partially Premixed Combustion process of an engine through the performance of optical measurements in an optical setup. Partially Premixed Combustion (PPC) is a process that can provide a combustion with low emissions and high efficiency. The term Partially Premixed Combustion is used to describe an engine which is operating somewhere between fully homogeneous combustion HCCI and diffusion controlled diesel combustion. Hence, the goal of this work is to increase the knowledge base of PPC. This project will be performed in a light duty engine based on a Volvo D5. This engine has been modified to be run in an optical setup, in order that the engine was converted into a single cylinder with a Bowditch piston extension. Optical diagnos

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