Hydrogen-diesel dual-fuel direct-injection (H2DDI) combustion under compression-ignition engine conditions

P Rorimpandey, HL Yip, A Srna, G Zhai… - International Journal of …, 2023 - Elsevier
This study investigates the ignition and combustion characteristics of interacting diesel-pilot
and hydrogen (H 2) jets under simulated compression-ignition engine conditions. Two …

Laser-induced plasma-ignited hydrogen jet combustion in engine-relevant conditions

HL Yip, A Srna, G Zhai, A Wehrfritz, S Kook… - International Journal of …, 2023 - Elsevier
This work aims to investigate the mechanisms governing H 2 jet flame evolution and
stabilisation by precisely controlling the jet ignition location using a laser-induced plasma in …

[HTML][HTML] Numerical characterization of high-pressure hydrogen jets for compression–ignition engines applying real gas thermodynamics

N Diepstraten, LMT Somers, JA van Oijen - International Journal of …, 2024 - Elsevier
The development of hydrogen-fueled direct-injection compression–ignition engines requires
adequate models that can accurately predict the spatial development and heat release rate …

[HTML][HTML] Characterisation of hydrogen jet flames under different pressures with varying coflow oxygen concentrations

JAC Kildare, MJ Evans, DB Proud, R Chin… - International Journal of …, 2023 - Elsevier
The elevated temperature of hydrogen combustion increases the formation of thermal NO x.
Moderate or intense low oxygen dilution (MILD) combustion is known to reduce NO x …

Ignition and Combustion Characterization of Hydrogen/Methane Blends in Direct-Injection Compression-Ignition Conditions

Q Wan, Y Lin, G Zhai, C Wang, PR Medwell… - Energy & …, 2024 - ACS Publications
This work investigates the jet penetration, ignition, and combustion characteristics of
methane (CH4), hydrogen–methane blend (H2–CH4), and hydrogen (H2) under various …

A parametric investigation of methane jets in direct-injection compression-ignition conditions

Q Wan, G Zhai, C Wang, ACY Yuen, PR Medwell… - Fuel, 2023 - Elsevier
This work investigated the effects of ambient and injection conditions on the autoignition,
flame evolution and combustion characteristics of the natural gas jets at direct-injection (DI) …

Parametric study of autoigniting hydrogen–methane jets in direct-injection engine conditions

Q Wan, G Zhai, C Wang, MJ Evans, PR Medwell… - Energy & …, 2022 - ACS Publications
This work investigates the effects of ambient and injection parameters on the ignition and
combustion characteristics of hydrogen (H2)–methane (CH4) jet (50% H2 by volume, with …

[HTML][HTML] Effects of jet interaction angle on the ignition and combustion characteristics of hydrogen-diesel dual-fuel direct injection

P Rorimpandey, G Zhai, S Kook, ER Hawkes… - International Journal of …, 2024 - Elsevier
This study investigates the ignition and combustion characteristics of intersecting diesel
surrogate (pilot) and hydrogen (H 2, main) jets under engine-relevant conditions. The …

[HTML][HTML] Experimental study of laser-ignited hydrogen jet flame evolution under simulated direct-injection diesel engine conditions

HL Yip, G Zhai, P Rorimpandey, S Kook… - International Journal of …, 2024 - Elsevier
This study presents the experimental investigation of the ignition and subsequent
combustion spreading sequences of hydrogen jets issued from a single-hole nozzle into a …

Experiment and kinetics study on OH∗ chemiluminescence up to 3150 K in hydrogen combustion behind reflected shock waves

D Li, Y Ye, X Li, M Xu, C Zhang - International Journal of Hydrogen Energy, 2024 - Elsevier
Chemiluminescence of OH∗ is commonly employed as an optical indicator for the
combustion process. It is widely recognized that the generation of OH∗ in hydrogen flames …