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Pressure Control Model for High Pressure Fuel Pipe of Diesel Engine

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DOI: 10.23977/icmee.2019.2713

Author(s)

Xin Zhao, Jieyan Ji and Xiangyu Xue

Corresponding Author

Xin Zhao

ABSTRACT

As an important fuel supply component of the engine, the stability of the fuel provided by the engine can be improved by adjusting its parameters reasonably. Through the establishment of high-pressure oil pump model, high-pressure oil pipe model and fuel spray nozzle model, as well as fluid continuity theorem, the difference equation of fuel balance in high-pressure oil pipe is established. Then the optimal solution is obtained by repeated iteration using genetic algorithm. Furthermore, the scheme to improve the stability of high-pressure tubing is put forward. The pressure images of the fuel pipe before and after adjustment are drawn with Matlab, which verifies the practicability of the model. This provides a theoretical basis for calculating and studying the internal pressure of high-pressure tubing and improving its working stability.

KEYWORDS

Stability, stability, Pressure image

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