Cited by 5Vibration and Dynamic AnalysisDynamics and Control of Mechanical SystemsFluid Dynamics and Vibration Analysis

Influence of Dry Friction on the Dynamics of Cantilevered Pipes Conveying Fluid

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Guo, Zilong, Ni, Qiao, Wang, Lin, Zhou, Kun, Meng, Xiangkai·2022·Applied Sciences

Abstract

A cantilevered pipe conveying fluid can lose stability via flutter when the flow velocity becomes sufficiently high. In this paper, a dry friction restraint is introduced for the first time, to evaluate the possibility of improving the stability of cantilevered pipes conveying fluid. First, a dynamical model of the cantilevered pipe system with dry friction is established based on the generalized Hamilton’s principle. Then the Galerkin method is utilized to discretize the model of the pipe and to obtain the nonlinear dynamic responses of the pipe. Finally, by changing the values of the friction force and the installation position of the dry friction restraint, the effect of dry friction parameters on the flutter instability of the pipe is evaluated. The results show that the critical flow velocity of the pipe increases with the increment of the friction force. Installing a dry friction restraint near the middle of the pipe can significantly improve the stability of the pipe system. The vibration of the pipe can also be suppressed to some extent by setting reasonable dry friction parameters.

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Crossref · 10.3390/app12020724

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28 of 28 references verified0 citation errors · 0 not checkable

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  • The vibration of the pipe can be suppressed to some extent by setting reasonable dry friction parameters.

    “The results demonstrated that the vibration of the pipe can be suppressed to some extent by setting reasonable dry friction parameters.”

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Authors
Guo, Z., Ni, Q., Wang, L., Zhou, K., & Meng, X.
Affiliations
Huazhong University of Science and Technology (CN)
Corresponding author
Wang, Lin
Venue
Applied Sciences
Publisher
MDPI AG
Published
2022-01-12
Volume
12
Issue
2
Pages
724
ISSN
2076-3417 (ISSN-L)
OpenAlex
W4205228981
Cited by
5
References
28
Citations by year
2026: 3 · 2023: 1 · 2022: 1
FWCI
0.20
Type
journal article
Language
en
Open access
Locations
  • Applied Sciences (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (11972167, 12072119)
  • Fundamental Research Funds for the Central Universities (2021yjsCXCY041)
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Vibration and Dynamic Analysis
  • Physical Sciences › Engineering › Control and Systems Engineering › Dynamics and Control of Mechanical Systems
  • Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Vibration Analysis
Keywords
cantilevered pipe, fluid-conveying pipes, Coulomb friction, flutter instability, critical flow velocity, nonlinear vibration, vibration suppression, pipe dynamics

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