Internal and near nozzle measurements of Engine Combustion Network “Spray G” gasoline direct injectors

DJ Duke, AL Kastengren, KE Matusik… - … Thermal and Fluid …, 2017 - Elsevier
Gasoline direct injection (GDI) sprays are complex multiphase flows. When compared to
multi-hole diesel sprays, the plumes are closely spaced, and the sprays are more likely to …

String flash-boiling in gasoline direct injection simulations with transient needle motion

ET Baldwin, RO Grover Jr, SE Parrish, DJ Duke… - International Journal of …, 2016 - Elsevier
A computational study was performed to investigate the influence of transient needle motion
on gasoline direct injection (GDI) internal nozzle flow and near-field sprays. Simulations …

Eulerian–Lagrangian modeling of spray G atomization with focus on vortex evolution and its interaction with cavitation

W Liu, J Tang, Y Lu, C Xie, Q Liu, CF Lee - Applied Mathematical Modelling, 2022 - Elsevier
Internal flow is closely related to energy consumption and emissions because of its
dominant role in the atomization process. The intricate three-phase flow patterns in an orifice …

Numerical investigation of two-phase flow evolution of in-and near-nozzle regions of a gasoline direct injection engine during needle transients

K Saha, S Som, M Battistoni, Y Li, E Pomraning… - … International Journal of …, 2016 - JSTOR
This work involves modeling internal and near-nozzle flows of a gasoline direct injection
(GDI) nozzle. The Engine Combustion Network (ECN) Spray G condition has been …

Coupled Eulerian internal nozzle flow and Lagrangian spray simulations for GDI systems

K Saha, S Quan, M Battistoni, S Som, PK Senecal… - 2017 - sae.org
An extensive numerical study of two-phase flow inside the nozzle holes and the issuing jets
for a multi-hole direct injection gasoline injector is presented. The injector geometry is …

In-and near-nozzle and external flow characterization in Gasoline Direct injection (GDi) engines–A review of latest technologies and trends. Part 2: Computational …

M Martínez, P Martí-Aldaraví… - … Journal of Engine …, 2024 - journals.sagepub.com
In an era where engine design has been influenced by the interest in emissions reduction,
the use of gasoline direct injection systems has proven to be an effective means to approach …

Numerical analyses of transient flow characteristics within each nozzle hole of an asymmetric diesel injector

F Xue, F Luo, H Cui, A Moro, L Zhou - … Journal of Heat and Mass Transfer, 2017 - Elsevier
In order to simultaneously study the differences in transient flow characteristics within each
nozzle hole of an asymmetric multi-hole diesel injector used in off-road machinery, a three …

Collaborative mechanism of the plume expansion and fluctuations in the near-field under non-flash and flash conditions

H Zhang, W Liu, J Tang, J Yan, Q Liu, J Wang - Physics of Fluids, 2022 - pubs.aip.org
The objective of this study is to unravel the driving mechanisms behind the plume expansion
and fluctuations in the near-field. A collaborative experimental and numerical study was …

A computational approach to predict external spray characteristics for flashing and cavitating nozzles

SK Rachakonda, Y Wang, RO Grover Jr… - International Journal of …, 2018 - Elsevier
A computational approach to predict external spray characteristics for flashing and cavitating
nozzles was presented and validated. It is developed as a fully Eulerian and compressible …

Optical investigation of flash boiling and its effect on in-cylinder combustion for butanol isomers and iso-octane

R Kale, R Banerjee - International Journal of Engine …, 2021 - journals.sagepub.com
Performance of a gasoline direct injection engine significantly depends on the fuel injection
phenomenon. It has been shown that variation in the fuel thermo-physical properties and in …