Aiming at the leakage failure and asymmetrical abrasion of a certain type bootstrap reservoir of aircraft, the analysis is carried out from the sealing type and supporting structure of the reservoir. Through comparison, it is known that under the same sealing type and sealing parameters, other similar components did not leak, so the failure is not caused by the sealing type and sealing parameters. From the perspective of the internal support, the bootstrap reservoir is a multi-nested structure, which requires high coaxiality of each component, and even over-constraint. The components is prone to generate additional load during operation and aggravate the wear of the sliding pair, including seals, high-pressure pistons, piston rods, etc. By enlarging the mating clearance, over-constraints of the internal matches are removed, the sliding pair wear in the high pressure cylinder is avoided, and the leakage failure of the bootstrap reservoir is eliminated. Considering that removing a constraint will influence the stiffness of the whole structure, vibration and impact tests have been carried out, and the new bootstrap reservoir has passed the tests.


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    Title :

    Analysis and Improvement on Asymmetrical Wear in Aircraft Bootstrap Reservoir


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:


    Publication date :

    2021-11-02


    Size :

    7 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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