Progress in knock combustion modeling of spark ignition engines
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 …
spark ignition (SI) engines. After a century of research, scholars have made significant …
End-gas autoignition and detonation in confined space
End-gas autoignition, especially with detonation development in a confined space, is a
complex physical phenomenon, including premixed flame dynamics, fluid dynamics …
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
Compressible reacting flows may display sharp spatial variation related to shocks, contact
discontinuities or reactive zones embedded within relatively smooth regions. The presence …
discontinuities or reactive zones embedded within relatively smooth regions. The presence …
Experimental and computational studies of methanol and ethanol preignition behind reflected shock waves
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 …
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
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 …
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
The effects of turbulence on knock development and intensity for a thermally
inhomogeneous stoichiometric ethanol/air mixture at a representative end-gas autoignition …
inhomogeneous stoichiometric ethanol/air mixture at a representative end-gas autoignition …
Prediction of knock intensity and validation in an optical SI engine
To provide fundamental insights into the underlying mechanisms of knock occurrence in a
spark-ignition (SI) engine, optical diagnostic measurements were performed at advanced …
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 …
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
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 …
refinement (AMR)-based simulations of dimethyl ether (DME)-air pesudo-turbulent reacting …
Multi-regime reaction front and detonation initiation by temperature inhomogeneity
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 …
events in combustion, and are relevant to the occurrence of engine knock. It is generally …