What question did this study set out to answer?

To understand the wear evolution and failure mechanisms of VL-type composite seals in aviation hydraulic actuators under different operational conditions.

May 24, 2026LubricantsOpen Access

Multi-Condition Wear Simulation and Parametric Analysis of VL-Type Seals for Aviation Hydraulic Actuators

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Authors

ZCZhihui CaiWenzhou Institute of Technology Testing & Calibration ZFZiming FengWenzhou University HYHeng YuanHuzhou University

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Implication

Randomized trial investigates wear mechanisms in VL-type seals under varying hydraulic conditions, suggesting design improvements.

Key Points

To understand the wear evolution and failure mechanisms of VL-type composite seals in aviation hydraulic actuators under different operational conditions.
Developed a two-dimensional plane-strain finite element model for VL seals
Incorporated Mooney–Rivlin hyperelastic material model and Archard wear model
Systematically analyzed effects of compression ratio, hydraulic pressure, sliding velocity, and temperature on wear.
Peak wear increases linearly with compression ratio (8-16%); above 16% reaches a plateau with multi-contact sealing
Hydraulic pressure enhances wear up to 28 MPa, where seal contact issues arise
Wear increases linearly with sliding velocity (0.1-0.3 m/s) but may cause L-ring failure at high velocities.

Cite This Study

Cai et al. (2026) studied this question.

synapsesocial.com/papers/6a1295ce48a0ea16656720fd https://doi.org/10.3390/lubricants14060213

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May 24, 2026LubricantsOpen Access

Multi-Condition Wear Simulation and Parametric Analysis of VL-Type Seals for Aviation Hydraulic Actuators

View Full Paper

Ask AI

Bookmark

Authors

ZCZhihui CaiWenzhou Institute of Technology Testing & Calibration ZFZiming FengWenzhou University HYHeng YuanHuzhou University

Discussion

Member takes

Implication

Randomized trial investigates wear mechanisms in VL-type seals under varying hydraulic conditions, suggesting design improvements.

Key Points

To understand the wear evolution and failure mechanisms of VL-type composite seals in aviation hydraulic actuators under different operational conditions.
Developed a two-dimensional plane-strain finite element model for VL seals
Incorporated Mooney–Rivlin hyperelastic material model and Archard wear model
Systematically analyzed effects of compression ratio, hydraulic pressure, sliding velocity, and temperature on wear.
Peak wear increases linearly with compression ratio (8-16%); above 16% reaches a plateau with multi-contact sealing
Hydraulic pressure enhances wear up to 28 MPa, where seal contact issues arise
Wear increases linearly with sliding velocity (0.1-0.3 m/s) but may cause L-ring failure at high velocities.

Cite This Study

Cai et al. (2026) studied this question.

synapsesocial.com/papers/6a1295ce48a0ea16656720fd https://doi.org/10.3390/lubricants14060213

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