Large-eddy simulation of turbulent, cavitating fuel flow inside a 9-hole diesel injector including needle movement

F Örley, S Hickel, SJ Schmidt… - International Journal of …, 2017 - journals.sagepub.com
We investigate the turbulent multiphase flow inside a nine-hole common rail Diesel injector
during a full injection cycle of ISO 4113 diesel fuel into air by implicit large-eddy simulation …

Influence of inlet pressure on cavitation flow in diesel nozzle

T Qiu, X Song, Y Lei, X Liu, X An, M Lai - Applied Thermal Engineering, 2016 - Elsevier
This paper presents an investigation combining both experiment and simulation on the sole
impacts of the injection pressure p in on the inner cavitation process, and the effects of the …

Real-fluid phase transition in cavitation modeling considering dissolved non-condensable gas

S Yang, C Habchi - Physics of Fluids, 2020 - pubs.aip.org
In this article, a fully compressible two-phase flow model combined with a multi-component
real-fluid phase equilibrium solver is proposed for cavitation modeling. The model is able to …

Experimental study of cavitation formation and primary breakup for a biodiesel surrogate fuel (methyl butanoate) using transparent nozzle

M Wei, Y Gao, F Yan, L Chen, L Feng, G Li, C Zhang - Fuel, 2017 - Elsevier
The cavitation formation of fuel flow inside an optically transparent nozzle and the dynamics
of spray breakup and atomization at the near-nozzle region were captured by a long working …

[HTML][HTML] Using a homogeneous equilibrium model for the study of the inner nozzle flow and cavitation pattern in convergent–divergent nozzles of diesel injectors

FJ Salvador, D Jaramillo, JV Romero… - Journal of Computational …, 2017 - Elsevier
In this paper, the behaviour of the internal nozzle flow and cavitation phenomenon are
numerically studied for non-conventional Diesel convergent–divergent nozzles in order to …

Numerical analysis of deposit effect on nozzle flow and spray characteristics of GDI injectors

B Wang, Y Jiang, P Hutchins, T Badawy, H Xu, X Zhang… - Applied Energy, 2017 - Elsevier
Injector deposit is a common phenomenon for gasoline direct ignition (GDI) engines that
greatly affects the spray behavior and consequently the combustion performance and …

The influence of eccentric needle movement on internal flow and injection characteristics of a multi-hole diesel nozzle

C Wang, A Moro, F Xue, X Wu, F Luo - … Journal of Heat and Mass Transfer, 2018 - Elsevier
The internal flow characteristics and injection characteristics of each nozzle hole in a multi-
hole diesel nozzle are significantly affected by transient needle movement which studies …

Simulations on the cavitating flow and corresponding risk of erosion in diesel injector nozzles with double array holes

L Zhang, Z He, W Guan, Q Wang, S Som - International Journal of Heat and …, 2018 - Elsevier
Simulations research has been conducted to make a further study about the influences of
nozzle K factor and needle lifts on the cavitation flow and erosion risk inside the diesel …

Numerical investigation on transient internal cavitating flow and spray characteristics in a single-hole diesel injector nozzle: A 3D method for cavitation-induced …

D Li, S Liu, Y Wei, R Liang, Y Tang - Fuel, 2018 - Elsevier
The spray development and atomization are strongly influenced by the internal nozzle flow.
In this study, a 3D cavitation-induced primary break-up method is proposed based on …

Linking instantaneous rate of injection to X-ray needle lift measurements for a direct-acting piezoelectric injector

JP Viera, R Payri, AB Swantek, DJ Duke… - Energy Conversion and …, 2016 - Elsevier
Internal combustion engines have been and still are key players in today's world. Ever
increasing fuel consumption standards and the ongoing concerns about exhaust emissions …