Effects of ambient pressures on cool flames in n-dodecane spray studied with laser diagnostics and large-eddy simulations

Y Wei, Z Zhang, M Zhou, W Yu, X Zhang, J Hu, X Mi… - Energy, 2024 - Elsevier
Cool flames, as a typical phenomenon in low-temperature combustion, have garnered wide
interests owing to their crucial role in engine performance and emissions. In the present …

Numerical study of novel OME1−6 combustion mechanism and spray combustion at changed ambient environments

F Wiesmann, Z Qiu, D Han, L Strauβ, S Rieβ… - Frontiers in Energy, 2024 - Springer
For a climate-neutral future mobility, the so-called e-fuels can play an essential part.
Especially, oxygenated e-fuels containing oxygen in their chemical formula have the …

High-speed formaldehyde planar laser-induced fluorescence and schlieren to assess influences of injection pressure and oxygen concentration on Spray A flames

HS Sim, N Maes, LM Pickett, SA Skeen, J Manin - Combustion and Flame, 2023 - Elsevier
The present study investigates the effect of injection pressure and ambient oxygen
concentration variations on the Engine Combustion Network Spray A flame. The two-stage …

Leaner lifted-flame combustion with ducted fuel injection: The key role of forced two-stage mixing

Y Feng, T Shang, J Cai, K Sun, T Wang - Fuel, 2023 - Elsevier
Ducted fuel injection (DFI) is a new approach to realize low-soot combustion for mixing-
controlled ignition engines, while the underlying physics still remains inadequately …

Considerations for the temperature stratification in a pre-burn constant-volume combustion chamber

N Maes, F Tagliante, HS Sim, M Meijer, J Manin… - … Thermal and Fluid …, 2023 - Elsevier
In recent years, the Engine Combustion Network (ECN) has developed as a worldwide
reference for understanding and describing engine combustion processes, successfully …

[HTML][HTML] High spatiotemporal resolution optical measurements of two-stage ignition and combustion in Engine Combustion Network Spray D flames

HS Sim, L Weiss, N Maes, LM Pickett - Case Studies in Thermal …, 2024 - Elsevier
This study explores flame structures and combustion dynamics in high-pressure n-dodecane
fuel sprays, focusing on the formation and consumption of formaldehyde (CH 2 O) during …

LES and RANS Spray Combustion Analysis of OME3-5 and n-Dodecane

F Wiesmann, TM Nguyen, J Manin, LM Pickett, K Wan… - Energies, 2024 - mdpi.com
Clean-burning oxygenated and synthetic fuels derived from renewable power, so-called e-
fuels, are a promising pathway to decarbonize compression–ignition engines …

Synchronized 100-kHz Planar Laser Induced Fluorescence and Schlieren Imaging of High-Pressure Spray Flames

J Park, J Hwang, J Manin, HS Sim - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
In this study, a state-of-the-art pulse burst-mode laser system (100-kHz) and a customized
nano-second pulse light-emitting diode (LED) were utilized for planar laser-induced …

Zero-RK Acceleration of Low-Lifecycle-Carbon Fuel (LLCF) Simulations

RA Whitesides - 2023 - osti.gov
Designing modern combustion systems now relies on computer models that predict how
changes in design will affect performance. These models have replaced older methods that …