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Effect of Multi-Factor Coupling on the Movement Characteristics of the Hydraulic Variable Valve Actuation

Author

Listed:
  • Zhaohui Jin

    (State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China)

  • Wei Hong

    (State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China)

  • Tian You

    (Changchun Vocational Institute of Technology, Changchun 130022, China)

  • Yan Su

    (State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China)

  • Xiaoping Li

    (State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China)

  • Fangxi Xie

    (State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China)

Abstract

Studies show that the valve lift (VL) of the cam-driven hydraulic variable valve actuation (VVA) can be continuously adjusted in the range of 0–8.2 mm by controlling the opening of the throttling valve. In the present study, an orthogonal experiment with interaction was designed to analyze the effect of multi-factor coupling on the VL, valve-seating velocity (VSV), and pressure fluctuation in the valve piston cavity. In order to reduce the pressure fluctuation, the Taguchi method was applied to find the optimal combination of the key parameters including the diameter of the piston, the spring preload of the valve-seating buffer mechanism (VSBM), the spring preload of the valve, and the valve piston mass. The correctness of the VVA simulation model is verified through experiments. Moreover, the pressure fluctuation is analyzed through a numerical simulation. The obtained results showed that as long as the VSV is less than 0.5 m·s −1 , the pressure fluctuations in hydraulic VVA can be reduced by several means, such as increasing the spring stiffness of the VSBM and valve, increasing the valve piston area and diameter size of the thin-walled hole, and reducing the valve piston mass and total hydraulic oil volume.

Suggested Citation

  • Zhaohui Jin & Wei Hong & Tian You & Yan Su & Xiaoping Li & Fangxi Xie, 2020. "Effect of Multi-Factor Coupling on the Movement Characteristics of the Hydraulic Variable Valve Actuation," Energies, MDPI, vol. 13(11), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:11:p:2870-:d:367496
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    References listed on IDEAS

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    1. Zhao, Jinxing & Xu, Min, 2013. "Fuel economy optimization of an Atkinson cycle engine using genetic algorithm," Applied Energy, Elsevier, vol. 105(C), pages 335-348.
    2. N/A, 2014. "The UK Economy," National Institute Economic Review, National Institute of Economic and Social Research, vol. 229(1), pages 3-3, August.
    3. N/A, 2014. "The UK Economy," National Institute Economic Review, National Institute of Economic and Social Research, vol. 227(1), pages 3-3, February.
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    Cited by:

    1. Grzegorz Filo & Edward Lisowski & Janusz Rajda, 2020. "Pressure Loss Reduction in an Innovative Directional Poppet Control Valve," Energies, MDPI, vol. 13(12), pages 1-13, June.
    2. Grzegorz Filo & Edward Lisowski & Janusz Rajda, 2021. "Design and Flow Analysis of an Adjustable Check Valve by Means of CFD Method," Energies, MDPI, vol. 14(8), pages 1-14, April.

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