Progress in knock combustion modeling of spark ignition engines

Feifan Ji, Shuo Meng, Zhiyu Han, Guangyu Dong and Rolf D. Reitz

Applied Energy, 2025, vol. 378, issue PB, No S0306261924022359

Abstract: Knock combustion is one of the primary factors limiting thermal efficiency improvement in spark ignition (SI) engines. After a century of research, scholars have made significant progress in understanding knock phenomena. Numerical simulation techniques play a crucial role in engine research and development, and knock models are a vital component of engine combustion simulation. While various models with different complexities and predictive accuracies have been proposed, a comprehensive review addressing their evolution and performance remains necessary. This article endeavors to systematically evaluate the progress of knock models and offers a critical overview of up-to-date knock models, including their features, advantages, and limitations. It delves into problems in existing knock models and proposes potential solutions.

Keywords: Knock combustion; Knock model; Knock mathematical characterization (search for similar items in EconPapers)
Date: 2025
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Citations: View citations in EconPapers (1)

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DOI: 10.1016/j.apenergy.2024.124852

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