What is it about?

In Diesel engines, there is always a time-lag between the start of fuel injection and the start of combustion. It is very important to predict this duration accurately for the purpose of engine simulation or for closed-loop combustion control. In this work, a novel ignition delay for modelling the ignition delay period based of first-principles has been proposed and validated on different configurations of modern Diesel engines.

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Why is it important?

Though many ignition delay models are available in the open literature, majority of them are focused on single injections while modern engines work on multiple-injections which is difficult to be modeled. This work addresses this issue. Since this is a physics-based model, the developed equation can be used on multiple engine platforms with minimal tuning.

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This page is a summary of: A physics-based model for real-time prediction of ignition delays of multi-pulse fuel injections in direct-injection diesel engines, International Journal of Engine Research, June 2018, SAGE Publications,
DOI: 10.1177/1468087418776876.
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