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| Dynamic Characteristics of a Certain Servo Oil Drain Pipe |
| Received:September 28, 2018 Revised:July 25, 2019 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2019.07.023 |
| KeyWord:servo oil drain pipe dynamic characteristics finite element simulation |
| Author | Institution |
| YU Shao-ming |
Beijing Institute of Structure and Environment Engineering, Beijing , China |
| ZHAO Shuai-shuai |
Beijing Institute of Structure and Environment Engineering, Beijing , China |
| ZHU Yi-fan |
Beijing Institute of Structure and Environment Engineering, Beijing , China |
| CHEN Di-Kui |
Beijing Institute of Structure and Environment Engineering, Beijing , China |
| LU Yong |
Beijing Institute of Structure and Environment Engineering, Beijing , China |
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| Abstract: |
| Objective To provide a basis for the determination of pipeline design scheme by studying the dynamic character-istics of a certain type of servo oil drain pipe. Methods Vibration tests of three design schemes of servo oil drainage pipes were carried out to measure the strain response at key positions. The results were analyzed by the finite element method. Results The resonance frequency of the servo exhaust pipe was near 180 Hz. When there was a peak value near 180 Hz, the coupling resonance would occur and the strain of the pipeline was very large. Conclusion In pipeline design, the resonance frequency should avoid the dangerous frequency of environment, and the pipeline should be strengthened when it can not be avoided. |
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