Investigation of cavitation and air entrainment during pilot injection in real-size multi-hole diesel nozzles

EG Santos, J Shi, M Gavaises, C Soteriou… - Fuel, 2020 - Elsevier
This paper investigates the complex multiphase flow developing inside the micro-orifices of
diesel injector nozzles during pilot injection. High speed micro-visualisations of a …

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 …

Investigation of the effects of turbulence modeling on the prediction of compression-ignition combustion unsteadiness

A Broatch, R Novella, J García-Tíscar… - … Journal of Engine …, 2022 - journals.sagepub.com
Adverse effects of global warming due to the greenhouse gas emissions is changing the
actual paradigm for the use energy resources. In the absence of a mid-term solution for …

[HTML][HTML] Analysis of combustion acoustic phenomena in compression–ignition engines using large eddy simulation

A Broatch, R Novella, J García-Tíscar… - Physics of …, 2020 - pubs.aip.org
As computational capabilities continue to grow, exploring the limits of computational fluid
dynamics to capture complex and elusive phenomena, which are otherwise difficult to study …

Influence of the injector setup on digital and continuous injection rate-shaping performance in diesel engine passenger cars

A Ferrari, T Zhang - Energy conversion and management, 2020 - Elsevier
Injection continuous rate-shaping strategies, realized by means of state-of-the-art Common
rail solenoid and direct acting piezoelectric injectors, have been tested at a dynamometer …

Research on the technology of noise reduction in hybrid electric vehicle with composite materials

L Liao, Y Zuo, H Meng, X Liao - Advances in Mechanical …, 2018 - journals.sagepub.com
The noise source of hybrid electric vehicle is varied, which makes the frequency band from
low-frequency to high-frequency distribution. Using a single material to control the hybrid …

Optimization of diesel fuel injection strategies through applications of cooperative particle swarm optimization and artificial bee colony algorithms

RM Ogren, SC Kong - International Journal of Engine …, 2021 - journals.sagepub.com
New engine hardware and injection strategies allow modern engines to meet stringent
emissions regulations but can require extensive engine testing to identify optimum operating …

Noise-canceling spike between pilot and main-pressure-rise peaks of multiple-injection diesel combustion

T Fuyuto, M Taki - International Journal of Engine Research, 2019 - journals.sagepub.com
A previous study addressed combustion-noise reduction by optimizing the interval between
two peaks in the pressure-rise rate (dP/dθ) of premixed charge combustion ignition with the …

Fractal Y-shaped Diffusers on Top of Acoustic Barriers for Traffic Noise Mitigation

D Pardo-Quiles, I Rodríguez-Rodríguez… - Acoustics Australia, 2024 - Springer
The fundamental objective of acoustic barriers is to preserve the inhabitants of nearby areas
from the high noise generated by road traffic. It is possible to significantly improve the …

Exploitation of injection fusion strategies in diesel engines equipped with solenoid injectors

S d'Ambrosio, A Ferrari - International Journal of Engine …, 2018 - journals.sagepub.com
Pilot–main injection strategies are investigated in the short dwell-time range at medium load
and speed conditions for a low-temperature combustion diesel engine endowed with …