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WU Changshui
YU Jinxia
YANG Lin
ZHUO Bin
Institute of Automotive Electronic
Technology,
Shanghai Jiaotong University,
Shanghai 200030, China
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STRUCTURE PARAMETERS DESIGN AND
PERFORMANCE TEST OF FUEL INJECTION SYSTEM
Abstract:
Based on the numerical simulation analysis, structure parameters of the high pressure fuel pump and common rail as well as flow limiter are designed and the GD-1 high pressure common rail fuel injection system is self-developed. Fuel injection characteristics experiment is performed on the GD-1 system. And double-factor variance analysis is applied to investigate the influence of the rail pressure and injection pulse width on the consistency of fuel injection quantity, thus to test whether the design of structure parameters is sound accordingly. The results of experiment and test show that rail pressure and injection pulse width as well as their mutual-effect have no influence on the injection quantity consistency, which proves that the structure parameters design is successful and performance of GD-1 system is sound.
Key words:
High pressure common rail fuel injection system Structure parameters design Variance analysis |