The effect of pure methane energy fraction on combustion performance, energy analysis and environmental-economic cost indicators in a single-cylinder common rail …

HE Gülcan, M Ciniviz - Applied Thermal Engineering, 2023 - Elsevier
Although methane-diesel dual fuel implementation is a very effective method in reducing
high NO x and smoke emissions, which are the main problems of diesel engines, this …

[HTML][HTML] Large-eddy simulation of dual-fuel ignition: Diesel spray injection into a lean methane-air mixture

H Kahila, A Wehrfritz, O Kaario, V Vuorinen - Combustion and Flame, 2019 - Elsevier
In the present study, large-eddy simulation (LES) together with a finite-rate chemistry model
is utilized for the investigation of a dual-fuel (DF) ignition process where a diesel surrogate …

[HTML][HTML] Large-eddy simulation on the influence of injection pressure in reacting Spray A

H Kahila, A Wehrfritz, O Kaario, MG Masouleh… - Combustion and …, 2018 - Elsevier
Abstract The Engine Combustion Network (ECN) Spray A target case corresponds to high-
pressure liquid fuel injection in conditions relevant to diesel engines. Following the …

[HTML][HTML] Large-eddy simulation of dual-fuel spray ignition at different ambient temperatures

B Tekgül, H Kahila, O Kaario, V Vuorinen - Combustion and Flame, 2020 - Elsevier
Here, a finite-rate chemistry large-eddy simulation (LES) solver is utilized to investigate dual-
fuel (DF) ignition process of n-dodecane spray injection into a methane–air mixture at …

Effect of methane on pilot-fuel auto-ignition in dual-fuel engines

A Srna, M Bolla, YM Wright, K Herrmann… - Proceedings of the …, 2019 - Elsevier
The ignition behavior of n-dodecane micro-pilot spray in a lean-premixed methane/air
charge was investigated in an optically accessible Rapid Compression-Expansion Machine …

[HTML][HTML] A parametric investigation of diesel/methane dual-fuel combustion progression/stages in a heavy-duty optical engine

Z Ahmad, O Kaario, C Qiang, V Vuorinen, M Larmi - Applied Energy, 2019 - Elsevier
A single-cylinder heavy-duty optical engine is used to characterize dual-fuel (DF)
combustion. In experiments, methane is applied as the main fuel while directly injected pilot …

[HTML][HTML] A large-eddy simulation study on the influence of diesel pilot spray quantity on methane-air flame initiation

H Kahila, O Kaario, Z Ahmad, MG Masouleh… - Combustion and …, 2019 - Elsevier
The present study is a continuation of the previous work by Kahila et al.(2019), in which a
dual-fuel (DF) ignition process was numerically investigated by modeling liquid diesel …

Numerical investigations of low load diesel-methane dual fuel combustion at early diesel injection timings

PR Jha, S Wijeyakulasuriya, SR Krishnan… - Fuel, 2022 - Elsevier
The present work focuses on the development and validation of a CFD simulation setup of
diesel-methane dual fuel combustion in a single-cylinder research engine (SCRE). The …

[HTML][HTML] A numerical study on combustion mode characterization for locally stratified dual-fuel mixtures

S Karimkashi, H Kahila, O Kaario, M Larmi… - Combustion and …, 2020 - Elsevier
Combustion modes in locally stratified dual-fuel (DF) mixtures are numerically investigated
for methanol/n-dodecane blends under engine-relevant pressures. In the studied constant …

[HTML][HTML] Numerical study on tri-fuel combustion: Ignition properties of hydrogen-enriched methane-diesel and methanol-diesel mixtures

S Karimkashi, H Kahila, O Kaario, M Larmi… - International Journal of …, 2020 - Elsevier
Simultaneous and interactive combustion of three fuels with differing reactivities is
investigated by numerical simulations. In the present study, conventional dual-fuel (DF) …