Visualization of ignition processes in high-pressure sprays with multiple injections of n-dodecane

S Skeen, J Manin, LM Pickett - SAE International Journal of Engines, 2015 - JSTOR
We investigate the mixing, penetration, and ignition characteristics of high-pressure n-
dodecane sprays having a split injection schedule (0.5/0.5 dwell/0.5 ms) in a pre-burn …

A study of piston geometry effects on late-stage combustion in a light-duty optical diesel engine using combustion image velocimetry

K Zha, S Busch, A Warey, RC Peterson… - SAE International Journal …, 2018 - JSTOR
In light-duty direct-injection (DI) diesel engines, combustion chamber geometry influences
the complex interactions between swirl and squish flows, spray-wall interactions, as well as …

Experimental investigation of pilot-fuel combustion in dual-fuel engines, Part 1: Thermodynamic analysis of combustion phenomena

A Srna, B von Rotz, K Herrmann, K Boulouchos… - Fuel, 2019 - Elsevier
The pilot-fuel auto-ignition and combustion in compressed methane/air mixtures are
investigated. Experiments were performed in an optically accessible rapid compression …

Ignition delay prediction of multiple injections in diesel engines

R Finesso, E Spessa - Fuel, 2014 - Elsevier
New correlations have been developed to predict the ignition delay of the main and multiple
pilot injections as a function of the operating conditions in diesel engines. The ignition delay …

Improved atomization, collision and sub-grid scale momentum coupling models for transient vaporizing engine sprays

F Perini, RD Reitz - International Journal of Multiphase Flow, 2016 - Elsevier
A computationally efficient spray model is presented for the simulation of transient
vaporizing engine sprays. It is applied to simulate high-pressure fuel injections in a constant …

Effects of center of heat release on combustion and emissions in a PCCI diesel engine fuelled by DMC-diesel blend

D Mei, S Yue, X Zhao, K Hielscher, R Baar - Applied Thermal Engineering, 2017 - Elsevier
The experiments were performed in a reformed single cylinder common-rail diesel engine
which adopts a low temperature premixed charge compression injection (PCCI) mode by a …

Extension of the lower load limit of gasoline compression ignition with 87 AKI gasoline by injection timing and pressure

CP Kolodziej, S Ciatti, D Vuilleumier, BD Adhikary… - 2014 - sae.org
Previous work has demonstrated the capabilities of gasoline compression ignition to
achieve engine loads as high as 19.5 bar BMEP with a production multi-cylinder diesel …

Experimental and numerical investigations of close-coupled pilot injections to reduce combustion noise in a small-bore diesel engine

S Busch, K Zha, PC Miles, A Warey, F Pesce… - … International Journal of …, 2015 - JSTOR
ABSTRACT A pilot-main injection strategy is investigated for a part-load operating point in a
single cylinder optical Diesel engine. As the energizing dwell between the pilot and main …

Influence of injector spray angle and gasoline-diesel blending ratio on the low load operation in a gasoline compression ignition (GCI) engine

PM Pinazzi, J Hwang, D Kim, F Foucher, C Bae - Fuel, 2018 - Elsevier
Advanced compression ignition (CI) engines relying on advanced combustion mode as
partially premixed combustion (PPC) own potential for achieving efficient and clean …

Application of pilot injection strategies for enhanced ignition and combustion of a low reactivity fuel in a compression-ignition engine

L Rao, S Kook, KS Kim, CB Kweon - Applied Thermal Engineering, 2022 - Elsevier
The impact of pilot injection on ignition and combustion of a low-reactivity fuel is
systematically investigated in an optically accessible light-duty compression-ignition engine …