Implementation of a probabilistic surface density volume of fluid approach for spray atomisation

G Tretola, K Vogiatzaki, S Navarro-Martinez - Computers & Fluids, 2021 - Elsevier
Abstract Eulerian Stochastic methods in Large Eddy Simulation context have been
successfully used in reactive flows. They have been recently applied to spray atomisation …

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 investigation of transient hole-to-hole variation in cavitation regimes inside a multi-hole diesel nozzle

G Guo, Z He, Q Wang, MC Lai, W Zhong, W Guan… - Fuel, 2021 - Elsevier
Dynamics of in-nozzle flow are known to have crucial impacts on the spray structure, and
thus hole-to-hole variation in transient cavitating flow is strongly suspected of being a source …

Assessment of influences of needle lift and hole height on string cavitation in liquid injection

G Guo, T Bai, Z He, W Guan, K Yang, C Li, S Xu, K Lu - Fuel, 2023 - Elsevier
This work uses an improved cavitation model to comprehensively study the impacts of
needle lift and hole height on the dynamics of in-nozzle string cavitation. The numerical …

An investigation on the impact of small-scale models in gasoline direct injection sprays (ECN Spray G)

S Navarro-Martinez, G Tretola… - … Journal of Engine …, 2020 - journals.sagepub.com
The work presents a numerical investigation of gasoline direct injection and the resulting
early development of spray plumes from an eight-hole injector (Engine Combustion Network …

Primary break-up characterisation and droplet statistics of multi-hole sprays using a probabilistic surface density methodology

G Tretola, S Navarro-Martinez, K Vogiatzaki - International Journal of …, 2022 - Elsevier
The work provides novel physical insight into the complex near-field flow dynamics and the
primary break-up characteristics of sprays injected through multi-hole injectors (gasoline …

Nozzle flow simulation of GDi for measuring near-field spray angle and plume direction

R Payri, J Gimeno, P Marti-Aldaravi, M Martínez - 2019 - sae.org
Experimental visualization of current gasoline direct injection (GDi) systems are even more
complicated especially due to the proximity of spray plumes and the interaction between …

Influence of the initial droplet distribution on the prediction of spray dynamics in Eulerian-Lagrangian simulations

F Gerbino, G Tretola, R Morgan, P Atkins… - International Journal of …, 2021 - Elsevier
Liquid fuel atomisation is largely affected by in and near nozzle phenomena. In this paper
we establish a link between the initial droplet distribution at the nozzle exit, used as an input …

Transient internal nozzle flow in transparent multi-hole diesel injector

K Yasutomi, J Hwang, LM Pickett, B Sforzo, K Matusik… - 2020 - sae.org
An accurate prediction of internal nozzle flow in fuel injector offers the potential to improve
predictions of spray computational fluid dynamics (CFD) in an engine, providing a coupled …

[PDF][PDF] Diesel injector elasticity effects on internal nozzle flow.

K Yasutomi, J Hwang, J Manin, LM Pickett, M Arienti… - 2019 - osti.gov
Numerical simulations of internal nozzle flow that include transient needle valve motion offer
the potential to better predict spray penetration, mixing and liquid breakup. For example, the …