Progress in knock combustion modeling of spark ignition engines

F Ji, S Meng, Z Han, G Dong, RD Reitz - Applied Energy, 2025 - Elsevier
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 …

End-gas autoignition and detonation in confined space

L Zhou, X Zhang, KH Luo, H Wei - Progress in Energy and Combustion …, 2025 - Elsevier
End-gas autoignition, especially with detonation development in a confined space, is a
complex physical phenomenon, including premixed flame dynamics, fluid dynamics …

Direct numerical simulations of turbulent reacting flows with shock waves and stiff chemistry using many-core/GPU acceleration

S Desai, YJ Kim, W Song, MB Luong, FEH Pérez… - Computers & …, 2021 - Elsevier
Compressible reacting flows may display sharp spatial variation related to shocks, contact
discontinuities or reactive zones embedded within relatively smooth regions. The presence …

Experimental and computational studies of methanol and ethanol preignition behind reflected shock waves

M Figueroa-Labastida, MB Luong, J Badra, HG Im… - Combustion and …, 2021 - Elsevier
Experimental and computational investigations are carried out to identify the generalized
criterion to predict the preignition tendency of methanol and ethanol mixtures in shock tubes …

Multiple spark plugs coupled with pressure sensors: A new approach for knock mechanism study on SI engines

H Shi, K Uddeen, Y An, Y Pei, B Johansson - Energy, 2021 - Elsevier
Controlled knock combustion is the focus of academic and industrial research for modern
spark-ignition engines to achieve higher thermal efficiency and better performance. To …

Effects of turbulence and temperature fluctuations on knock development in an ethanol/air mixture

MB Luong, S Desai, FE Hernández Pérez… - Flow, Turbulence and …, 2021 - Springer
The effects of turbulence on knock development and intensity for a thermally
inhomogeneous stoichiometric ethanol/air mixture at a representative end-gas autoignition …

Prediction of knock intensity and validation in an optical SI engine

J Zhang, H Shi, MB Luong, Q Tang, K Uddeen… - Combustion and …, 2023 - Elsevier
To provide fundamental insights into the underlying mechanisms of knock occurrence in a
spark-ignition (SI) engine, optical diagnostic measurements were performed at advanced …

End-gas autoignition and knocking combustion of ammonia/hydrogen/air mixtures in a confined reactor

Z Yu, H Zhang - International Journal of Hydrogen Energy, 2022 - Elsevier
End-gas autoignition and detonation development in ammonia/hydrogen/air mixtures in a
confined reactor is studied through detailed numerical simulations, to understand the …

Numerical study of turbulent non-premixed cool flames at high and supercritical pressures: Real gas effects and dual peak structure

S Ramachandran, N Srinivasan, TS Taneja… - Combustion and …, 2023 - Elsevier
To study the formation of cool flames at high/supercritical pressures, adaptive mesh
refinement (AMR)-based simulations of dimethyl ether (DME)-air pesudo-turbulent reacting …

Multi-regime reaction front and detonation initiation by temperature inhomogeneity

J Pan, L Wang, W Liang, CK Law, H Wei… - Proceedings of the …, 2023 - Elsevier
Auto-ignition, reaction front propagation, and detonation development are foundational
events in combustion, and are relevant to the occurrence of engine knock. It is generally …