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Modelling and Simulation Analysis of High-Pressure Common Rail and Electronic Controlled Injection System for Diesel Engine

Guojin Chen

Guojin Chen

School of Mechanical Engineering, Hangzhou Dianzi UniversityHangzhou, China
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Chen, Guojin
, 
Chang Chen

Chang Chen

School of Mechanical Engineering, Hangzhou Dianzi UniversityHangzhou, China
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Chen, Chang
, 
Yiming Yuan

Yiming Yuan

School of Mechanical Engineering, Hangzhou Dianzi UniversityHangzhou, China
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Yuan, Yiming
 e 
Lingjun Zhu

Lingjun Zhu

School of Mechanical Engineering, Hangzhou Dianzi UniversityHangzhou, China
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Zhu, Lingjun
  
05 nov 2020
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Pubblicato online: 05 nov 2020
Pagine: 345 - 356
Ricevuto: 10 lug 2020
Accettato: 14 ago 2020
DOI: https://doi.org/10.2478/amns.2020.2.00043
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© 2020 Guojin Chen et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Electronic fuel injection system.
Electronic fuel injection system.

Fig. 2

Structure of high-pressure oil pump.
Structure of high-pressure oil pump.

Fig. 3

High-pressure common rail pipe.
High-pressure common rail pipe.

Fig. 4

Solenoid-controlled injector.
Solenoid-controlled injector.

Fig. 5

A simplified model of the fuel injection system.
A simplified model of the fuel injection system.

Fig. 6

Hydsim simulation model of the fuel injection system.
Hydsim simulation model of the fuel injection system.

Fig. 7

The relationship between the area of the oil inlet orifice and the fuel pressure in the control chamber.
The relationship between the area of the oil inlet orifice and the fuel pressure in the control chamber.

Fig. 8

The relationship between the area of oil inlet orifice and the lift of the needle valve.
The relationship between the area of oil inlet orifice and the lift of the needle valve.

Fig. 9

The relationship between the area of the oil inlet orifice and the injection rate.
The relationship between the area of the oil inlet orifice and the injection rate.

Fig. 10

The relationship between the area of the oil outlet orifice and the fuel pressure in the control chamber.
The relationship between the area of the oil outlet orifice and the fuel pressure in the control chamber.

Fig. 11

The relationship between the area of oil outlet orifice and the lift of the needle valve.
The relationship between the area of oil outlet orifice and the lift of the needle valve.

Fig. 12

The relationship between the area of the oil outlet orifice and the injection rate.
The relationship between the area of the oil outlet orifice and the injection rate.

Fig. 13

The relationship between the diameter of the control piston and the lift of the needle valve.
The relationship between the diameter of the control piston and the lift of the needle valve.

Fig. 14

The relationship between the diameter of the control piston and the injection rate.
The relationship between the diameter of the control piston and the injection rate.

Fig. 15

Comparison of simulation value, test value and the standard value of fuel injection rate.
Comparison of simulation value, test value and the standard value of fuel injection rate.

Fig. 16

Comparison of simulation value, test value and the standard value of fuel injection quantity.
Comparison of simulation value, test value and the standard value of fuel injection quantity.
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Inglese
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