Numerical study on the effects of viscous heating and random rough surface on cavitating flow in fuel injection nozzles

C Li, Z He, W Guan, T Han, G Guo - International Communications in Heat …, 2023 - Elsevier
A transient numerical model was developed to investigate cavitating flow in fuel injection
nozzles, incorporating the effects of viscous heating and latent heat of phase change. A …

Thermal effects on Common Rail injection system hydraulic performance

A Ferrari, O Vento - International Journal of Engine …, 2023 - journals.sagepub.com
The effect of the fuel temperature on the hydraulic performance of a Common Rail diesel
injector has been investigated with an integrated experimental-numerical approach. An …

Specific features of diesel fuel supply under ultra-high pressure

J Zhao, L Grekhov, X Ma, A Denisov - Applied Thermal Engineering, 2020 - Elsevier
The cessation of increase of fuel consumption under the injection pressure above 350 MPa
is experimentally found. The aim of the work is to describe the causes of the phenomenon …

Limit of fuel injection rate in the common rail system under ultra-high pressures

J Zhao, L Grekhov, P Yue - International Journal of Automotive …, 2020 - Springer
The common rail injection system with higher injection pressure can improve injection
characteristics. However, relevant researches for injection characteristics under ultra-high …

Thermal effects on the diesel injector performance through adiabatic 1D modelling. Part I: Model description and assessment of the adiabatic flow hypothesis

FJ Salvador, J Gimeno, J Martín, M Carreres - Fuel, 2020 - Elsevier
The fuel flow along common-rail injectors is usually treated as isothermal, although the
expansions across the injector orifices lead to variations in the fuel temperature that in turn …

Thermal effects on the diesel injector performance through adiabatic 1D modelling. Part II: Model validation, results of the simulations and discussion

R Payri, FJ Salvador, M Carreres, M Belmar-Gil - Fuel, 2020 - Elsevier
In this paper, a one-dimensional computational model of the flow in a common-rail injector is
used to compute local variations of fuel temperature (including the temperature change …

Experimental study on the fuel heating at the nozzle of the high pressure common-rail injector

J Zhao, X Lu, L Grekhov - Fuel, 2021 - Elsevier
In this study, an experimental and theoretical investigation of the fuel temperature increase
at the nozzle of a common rail injector was conducted. The results showed that the …

Methods for calculating fuel heating in electrically controlled injectors of Common Rail diesel systems

J Zhao, L Grekhov, D Onishchenko, I Gabitov - Fuel, 2021 - Elsevier
This study was aimed at describing the reasons for the strong heating of fuel in Common
Rail fuel systems and at its mathematical description. The experimental results were …

Computational assessment of temperature variations through calibrated orifices subjected to high pressure drops: Application to diesel injection nozzles

FJ Salvador, M Carreres, J De la Morena… - Energy Conversion and …, 2018 - Elsevier
This paper conducts an investigation on the temperature variations experienced by the fuel
when it expands through the calibrated orifices of a commercial diesel injector. Experimental …

Modeling and investigating the fuel heating in injector nozzle hole under action of pressure drop and viscous friction

X Lu, J Zhao, V Markov, T Wu - International Journal of Thermal Sciences, 2024 - Elsevier
Due to the high pressure difference during injection, the fuel in the nozzle hole of common
rail injectors is accompanied by significant temperature changes, which has an important …