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As the working pressure of the aircraft hydraulic system increases, seal failures often occur in hydraulic products, especially high-pressure linear reciprocating seals which are more prone to failure. The key factor affecting seal failure is the initial compression rate. This paper uses ANSYS to conduct simulated analysis on the impact of the initial compression rate of O-rings with different cross-sectional diameters over the sealing performance under different working conditions and to obtain the initial compression rate range corresponding to different cross-sectional diameters. It plays a significant role in providing theoretical support to the design and reliability analysis of O-rings and improving sealing reliability.
Inspec keywords: rings (structures); reliability; mechanical engineering computing; aircraft; computer simulation; sealing materials; seals (stoppers); hydraulic systems; failure (mechanical)
Subjects: Engineering materials; Civil and mechanical engineering computing; Mechanical engineering applications of IT; Fluid mechanics and aerodynamics (mechanical engineering); Mechanical components; Maintenance and reliability; Applied fluid mechanics