[HTML][HTML] Knocking combustion in spark-ignition engines

Z Wang, H Liu, RD Reitz - Progress in Energy and Combustion Science, 2017 - Elsevier
Knocking combustion research is crucially important because it determines engine
durability, fuel consumption, and power density, as well as noise and emission performance …

Evolution, challenges and path forward for low temperature combustion engines

AK Agarwal, AP Singh, RK Maurya - Progress in energy and combustion …, 2017 - Elsevier
Universal concerns about degradation in ambient environment, stringent emission
legislations, depletion of petroleum reserves, security of fuel supply and global warming …

Pre-ignition and 'super-knock'in turbo-charged spark-ignition engines

GT Kalghatgi, D Bradley - International Journal of Engine …, 2012 - journals.sagepub.com
Earlier studies of pre-ignitions at hot surfaces are first reviewed. The concept of a critical
radius of a hot pocket of gas, closely related to the laminar flame thickness, that is necessary …

Analysis of pre-ignition to super-knock: Hotspot-induced deflagration to detonation

Z Wang, Y Qi, X He, J Wang, S Shuai, CK Law - Fuel, 2015 - Elsevier
Occurrence of sporadic super-knock is the main obstacle in the development of advanced
gasoline engines. By utilizing a rapid compression machine, events of pre-ignition and …

[HTML][HTML] Low-speed pre-ignition and super-knock in boosted spark-ignition engines: A review

K Rönn, A Swarts, V Kalaskar, T Alger, R Tripathi… - Progress in Energy and …, 2023 - Elsevier
The introduction of downsized, turbocharged Gasoline Direct Injection (GDI) engines in the
automotive market has led to a rapid increase in research on Low-speed Pre-ignition (LSPI) …

Relationship between super-knock and pre-ignition

Z Wang, H Liu, T Song, Y Qi, X He… - … Journal of Engine …, 2015 - journals.sagepub.com
High boost and direct injection are the main tendency of gasoline engine technology.
However, pre-ignition/super-knock tends to occur at low-speed high-load conditions, which …

Potential of thermal stratification and combustion retard for reducing pressure-rise rates in HCCI engines, based on multi-zone modeling and experiments

M Sjöberg, JE Dec, NP Cernansky - SAE transactions, 2005 - JSTOR
This work investigates the potential of in-cylinder thermal stratification for reducing the
pressure-rise rate in HCCI engines, and the coupling between thermal stratification and …

Engine hot spots: Modes of auto-ignition and reaction propagation

L Bates, D Bradley, G Paczko, N Peters - Combustion and Flame, 2016 - Elsevier
Many direct numerical simulations of spherical hot spot auto-ignitions, with different fuels,
have identified different auto-ignitive regimes. These range from benign auto-ignition, with …

Auto-ignition and knocking combustion characteristics of iso-octane-ammonia fuel blends in a rapid compression machine

R Zhang, W Liu, Q Zhang, Y Qi, Z Wang - Fuel, 2023 - Elsevier
Ammonia has attracted much attention because of its carbon-free nature. Ammonia also has
a high research octane number (RON), making it a promising anti-knock additive for …

Knock onset, knock intensity, superknock and preignition in spark ignition engines

G Kalghatgi - International Journal of Engine Research, 2018 - journals.sagepub.com
Knock is an abnormal and stochastic combustion phenomenon which limits the efficiency of
spark ignition engines. It occurs because of autoignition initiated locally in hot spots in the …